Bottom Brackets

Thread together BB for 386EVO frames and 22/24mm diameter spindle cranks. Machined aluminum cups thread together for stability, increased bearing life, and simple installation and maintenance. No more creaking. Smooth operation. Fast bearing replacement. - Bearings: Enduro ABEC-3 - Bottom Bracket/Frame Interface: BB386EVO, BB392EVO - Bottom Bracket Shell Width (mm): 86mm - 92mm - Bottom Bracket Shell I.D.: 46mm - Crank Spindle Diameter: 22/24mm - Over Bearing Width: 91.8mm in 86.5mm wide shell - Over Bearing Width Dimensions include supplied silicone dust shields - Weight: 145g Compatible with the following Bottom Bracket Standards (46mm BB shell ID, 86 – 92mm wide BB shell) and 22/24mm diameter spindle cranks: - BB386EVO - BB392EVO

The Wheels Mfg BB30 Outboard bottom bracket will give you all of the same benefits as their other Outboard style BBs. The two machined aluminum cups thread together ensuring the bottom bracket remains stable in the frame, increasing bearing life, and simplifying maintenance. This means no more creaking, smoother operation, longer bearing life, and really quick bearing replacement. Specifically designed for installing 24mm spindle diameter cranks (Shimano, FSA, Etc.) in BB30 frames without the need for adapters. - Bearings: Enduro ABEC-3 - Color: Red - Bottom Bracket/Frame Interface: BB30, Specialized Alloy OSBB - Bottom Bracket Shell Width (mm): 68mm - 73mm - Bottom Bracket Shell I.D.: 42mm - Crank Spindle Type: Shimano Hollowtech II, FSA MegaExo, RaceFace EXI - Crank Spindle Diameter: 24mm - Weight: 130g

The Wheels Mfg BB30 Outboard bottom bracket will give you all of the same benefits as their other Outboard style BBs. The two machined aluminum cups thread together ensuring the bottom bracket remains stable in the frame, increasing bearing life, and simplifying maintenance. This means no more creaking, smoother operation, longer bearing life, and really quick bearing replacement. Specifically designed for installing 24mm spindle diameter cranks (Shimano, FSA, Etc.) in BB30 frames without the need for adapters. - Bearings: Enduro Angular Contact - Color: Red - Bottom Bracket/Frame Interface: BB30, Specialized Alloy OSBB - Bottom Bracket Shell Width (mm): 68mm - 73mm - Bottom Bracket Shell I.D.: 42mm - Crank Spindle Type: Shimano Hollowtech II, FSA MegaExo, RaceFace EXI - Crank Spindle Diameter: 24mm - Weight: 127g

Wheels Mfg BB86/92 thread together bottom bracket for use with 24mm spindle diameter cranksets. The two machined aluminum cups thread together ensuring the bottom bracket remains stable in the frame, increasing bearing life, and simplifying maintenance. This means no more creaking, smoother operation, longer bearing life, and really quick bearing replacement. Note: Use only bottom bracket tools compatible with 16-notch, 48.5mm outer diameter cups. - Bearings: Enduro Angular Contact - Color: Black - Bottom Bracket/Frame Interface: BB86, BB92 - Bottom Bracket Shell Width (mm): 86mm, 92mm, 89.5mm - Bottom Bracket Shell I.D.: 41mm - Crank Spindle Type: Shimano Hollowtech II, FSA MegaExo, RaceFace EXI - Crank Spindle Diameter: 24mm - Weight: 106g

Expand your choice of cranks for use in BB86/BB92/BB91/BB71-41/BB107 frames. Replace your bottom bracket with these dual-row flanged bearings and run 30mm spindle cranks (FSA BB386EVO, Rotor 3d+, RaceFace Next SL, e.thirteen) cranks in your frame. These bearings fit directly in frames with 41mm ID smooth bore bottom bracket shells.You must use 30mm spindle cranksets with spindle lengths longer than 104mm. - Bearings: Enduro Dual-Row ABEC-3 - Dimensions: 41mm x 30mm (42mm flange OD) - Color: silver - Bottom Bracket/Frame Interface: BB86, BB92, BB91, BB71-41, BB107/104 - Bottom Bracket Shell Width (mm): 86.5mm - 107mm - Bottom Bracket Shell I.D.: 41mm - Crank Spindle Type: BB386EVO, BB30 longer than 104mm - Crank Spindle Diameter: 30mm - Weight: 89g

PF30 Threaded Angular Contact BB for Fat Bike. Fits Specialized Fatboy frames, and any other brand frames with PF30 x 100mm bottom bracket shell. Machined cups thread together for stability, increased bearing life, and simple installation and maintenance. No more creaking. Smooth operation. Fast bearing replacement. - Bearings: Enduro ABEC-3 - Color: Black - Bottom Bracket/Frame Interface: PF30 - Bottom Bracket Shell Width (mm): 100mm - Bottom Bracket Shell I.D.: 46mm - Crank Spindle Type: BB30 - Crank Spindle Diameter: 30mm - Weight: 130g

The Wheels Mfg PF30 Outboard bottom bracket will give you all of the same benefits as their well-loved Outboard style BBs. The two machined aluminum cups thread together ensuring the bottom bracket remains stable in the frame, increasing bearing life, and simplifying maintenance. This means no more creaking, smoother operation, longer bearing life, and really quick bearing replacement. Specifically designed for installing 24mm spindle diameter cranks (Shimano, FSA, Etc.) in PF30 frames without the need for adapters. - Bearings: Enduro Angular Contact - Color: Red - Bottom Bracket/Frame Interface: PF30, Specialized Carbon OSBB - Bottom Bracket Shell Width (mm): 68mm - 73mm - Bottom Bracket Shell I.D.: 46mm - Crank Spindle Type: Shimano Hollowtech II, FSA MegaExo, RaceFace EXI - Crank Spindle Diameter: 24mm - Weight: 158g

By popular demand, Wheels Mfg. added this PF30 Outboard Bearing BB for use with 29mm spindle SRAM DUB cranksets when used in PF30 frames. The two machined aluminum cups thread together keeping the bottom bracket stable in the frame, increasing bearing life and simplifying maintenance. Enjoy smooth operation, fast bearing replacement, and no more creaking. - Bearings: Enduro ABEC-3 - Color: Black - Bottom Bracket/Frame Interface: PF30, Specialized Carbon OSBB - Bottom Bracket Shell Width: 61mm – 73mm (Specialized Carbon OSBB with 61mm shell width will need additional 3.5mm cup spacers, sold separately) - Bottom Bracket Shell I.D.: 46mm - Over Bearing Width: 89mm in 68mm wide shell (dimensions include supplied silicone dust shields) - Crank Spindle Diameter: 29mm - Tool Pattern: 48.5mm x 16 notch - Weight: 156g

The Wheels Mfg PF30 Outboard bottom bracket will give you all of the same benefits as their well-loved Outboard style BBs. The two machined aluminum cups thread together ensuring the bottom bracket remains stable in the frame, increasing bearing life, and simplifying maintenance. This means no more creaking, smoother operation, longer bearing life, and really quick bearing replacement. Specifically designed for installing 24mm spindle diameter cranks (Shimano, FSA, Etc.) in PF30 frames without the need for adapters. - Bearings: Enduro ZERØ Ceramic - Color: Red - Bottom Bracket/Frame Interface: PF30, Specialized Carbon OSBB - Bottom Bracket Shell Width (mm): 68mm - 73mm - Bottom Bracket Shell I.D.: 46mm - Crank Spindle Type: Shimano Hollowtech II, FSA MegaExo, RaceFace EXI - Crank Spindle Diameter: 24mm - Weight: 156g

PF30 Threaded bottom bracket features two machined aluminum cups that thread together ensuring the bottom bracket remains stable in the frame, increasing bearing life, and simplifying maintenance. This means no more creaking, smoother operation, longer bearing life, and really quick bearing replacement. Directly replaces all OEM PF30 bottom brackets. Note: Use only bottom bracket tools compatible with 16-notch, 48.5mm outer diameter cups. - Bearings: Enduro ABEC-3 - Color: Black - Bottom Bracket/Frame Interface: PF30, Specialized Carbon OSBB, BBRight™ Press Fit - Bottom Bracket Shell Width (mm): 61mm to 79mm - Bottom Bracket Shell I.D.: 46mm - Crank Spindle Type: BB30 - Crank Spindle Diameter: 30mm - Weight: 115g

Specifically designed for installing 24.00mm spindle diameter cranks (Shimano, etc.) in Cannondale PF30A (46mm ID, 73mm wide asymmetrical BB shell) frames without the need for any adapters. The two machined aluminum cups thread together ensuring the bottom bracket remains stable in the frame, increasing bearing life, and simplifying maintenance. This means smooth operation, fast bearing replacement, and no more creaking. - Bearings: ABEC-3 - Color: Black - Bottom Bracket/Frame Interface: Cannondale PF30A - Bottom Bracket Shell Width: 73mm - Bottom Bracket Shell I.D.: 46mm - Over Bearing Width: 91mm in 73mm wide shell (dimensions include supplied silicone dust shields) - Tool Pattern: 44mm x 16 notch Note: FSA MegaExo spindles can be between 24.00mm and 24.07mm in diameter. If your FSA spindle is 24.07mm, this BB will not work! Please purchase Wheels Mfg. FSA 24.07x37 ceramic hybrid bearings separately.

T47 threaded BB cups for running 22/24mm spindle (SRAM) cranks in T47 frames. Cups have internal bearings and are typically used in BB shells with widths wider than 73mm. Machined aluminum cups thread together directly into a T47 BB shell. Bearings are easily serviced or replaced. Includes sleeve to fit between cups for added protection from dirt and grime, and also keeps your internal wires and hoses from rubbing on the crank spindle. T47 BB cups are similar to standard BSA threaded cups in that the drive side cup is left-hand thread and the non-drive side cup is right-hand thread. Use a quality grease when installing in steel or aluminum BB shells, or a titanium-compatible anti-seize compound in titanium BB shells. - Bearings: Enduro Angular Contact (non-drive-side bearing: ABEC-3) - Bottom Bracket/Frame Interface: T47 - Bottom Bracket Shell Width: 68mm – 132mm - Bottom Bracket Shell I.D.: 47x1.0mm Threaded - Over Bearing Width: 91.7mm in 86.5mm wide shell (dimensions include supplied silicone dust shields) - Tool Pattern: 48.5mm x 16-notch

T47 threaded BB cups for running 30mm spindle cranks in T47 frames. Cups have internal bearings and are typically used in BB shells with widths wider than 73mm. Machined aluminum cups thread together directly into a T47 BB shell. Bearings are easily serviced or replaced. Includes sleeve to fit between cups for added protection from dirt and grime, and also keeps your internal wires and hoses from rubbing on the crank spindle. T47 BB cups are similar to standard BSA threaded cups in that the drive side cup is left-hand thread and the non-drive side cup is right-hand thread. Use a quality grease when installing in steel or aluminum BB shells, or a titanium-compatible anti-seize compound in titanium BB shells. - Bearings: Enduro Angular Contact - Bottom Bracket/Frame Interface: T47 - Bottom Bracket Shell Width: 68mm – 132mm - Bottom Bracket Shell I.D.: 47x1.0mm Threaded - Over Bearing Width: 91.7mm in 86.5mm wide shell (dimensions include supplied silicone dust shields) - Tool Pattern: 48.5mm x 16-notch

Striking the balance between light weight, long life and durability, TruVativ's Giga Pipe Team SL Bottom Bracket uses 3 sealed cartridge bearings to provide smooth pedaling season after season. For serious strength, the Giga Pipe boasts CNC-machined aluminum cups and a stiff chromoly spindle, too.

TruVativ Power Spline Bottom Bracket fits proprietary powerspline design popular as OE spec with many moderate-price TruVativ cranks. • Proprietary spline design popular as OE spec with many moderate-price TruVativ cranks • Crank bolts are included

Genuine replacement parts Praxis bottom brackets feature precise tolerances and quality materials to ensure smooth, quiet spinning for many miles. No more creaking. Smooth operation. Fast bearing replacement. - For use with Trek T47 frames with 85.5mm bottom bracket shells - Compatible with Shimano 24mm cranks

Genuine replacement parts Proprietary replacement bottom bracket for the Trek family of carbon bikes. Revive your ride with a fresh set of bearings for your BB90/95 equipped carbon bike. - Compatible with BB90 bottom bracket cups and FSA aluminum road cranks - Compatible with BB95 bottom bracket cups and FSA aluminum and carbon MTB cranks - Only compatible with 24mm cranks - Not compatible with BB30 cranks

Genuine replacement parts Revive your ride with a fresh set of bearings for your BB90/95 equipped carbon bike. Proprietary replacement bottom bracket for the Trek family of bikes. - Only compatible with 24mm cranks - Not compatible with BB30 cranks

Genuine replacement parts Revive your ride with a fresh set of bearings for your BB90/95 equipped carbon bike. Proprietary replacement bottom bracket for the Trek family of bikes. - Only compatible with 24mm cranks - Not compatible with BB30 cranks

Surly OD Bottom Brackets - Compatible with 24mm spindles - Moonlander BB fits a 100mm bottom bracket shell, but exterior width conforms to BB121 standard

Surly OD Bottom Brackets - PF cups are 41mm in diameter - Bearing I.D. is 24mm - OD bottom bracket comes with telescoping center sleeve for added durability - High quality double labyrinth sealed stainless Enduro bearings with corrosion resistant coating - 3 additional 1mm spacers are provided to help with chain line and crank arm clearance

- Fits 3-piece crank set - Includes right and left cup, lockring and bearings - English type - Shell: 68/73mm - Cup Material: Steel - Weight: 123 grams

- With plastic washers - Shell: 8mm Allen head axle bolt

- One-piece bottom bracket cup set - Bearings included - Fits smaller american juvenile/youth sized BB - Shell: 65mm - Cup Material: Steel - Weight: 173 grams

- Steel body - Chromoly spindle - Sealed bearings - Repair BB designed to work in frames that have stripped BB threads - Shell: 68mm - Spindle Type: Square Taper JIS - Weight: 360-370 grams

- Steel body - Steel cups - Chromoly spindle - Sealed bearings - Interface: English - Square Taper JIS - Weight: 305-320 grams

- Forged steel body - Alloy cups - Chromoly spindle - Sealed bearings - Interface: English - Spindle Type: Square Taper JIS - Weight: 290-300 grams

Compared to the power transfer of the conventional square taper spindle, the 8-splined OCTALINK interface that connects the bottom bracket and crankset increases the strength and rigidity for the entire assembly.

Shimano BB-ES51 Octalink V2 Bottom Brackets - Fits Shimano Octalink V2 Spline Cranksets - Crankarm fixing bolts not included

- Simple and reliable square taper bottom bracket - Replaces both BB-UN26 and BB-UN55 - Sealed cartridge bearings - Cr-Mo axle - For bicycles equipped with a chain case, select BB-UN300-K - For E-type front derailleur compatibility, choose BB-UN300-E - Fixing bolts not included; Shimano FC-E6000 bolts suggested

- Simple and reliable square taper bottom bracket - Replaces both BB-UN26 and BB-UN55 - Sealed cartridge bearings - Cr-Mo axle - For bicycles equipped with a chain case, select BB-UN300-K - For E-type front derailleur compatibility, choose BB-UN300-E - Fixing bolts not included; Shimano FC-E6000 bolts suggested

- Simple and reliable square taper bottom bracket - Replaces both BB-UN26 and BB-UN55 - Sealed cartridge bearings - Cr-Mo axle - For bicycles equipped with a chain case, select BB-UN300-K - For E-type front derailleur compatibility, choose BB-UN300-E - Fixing bolts not included; Shimano FC-E6000 bolts suggested

• Lightweight seal structure removes grams • Durable anodized finish • Includes left and right hand cups, spacers, inner cover, and inner o-rings • Easy installation with TL-FC25 tool • Compatible with 24mm crank spindles • English, threaded: 68/73mm bottom bracket • Pressfit: BB86/92 bottom brackets

Shimano Dura-Ace BB92, BB9000 Hollowtech II Bottom Brackets

- Tiagra-level Hollowtech II bottom bracket - Compatible with all road Hollowtech II cranks

Shimano's BB-UN55 Square Spindle Bottom Brackets are the unofficial standard for English-threaded cartridge bottom brackets. Quality, value, and durability come together to keep you cranking for many, many miles. - Fits JIS Square-Taper Cranksets - Hollow spindle - Crankarm fixing bolts not included

Get more distance out of every pedal stroke with SRAM's BB30 Bottom Bracket Assembly. It features sealed bearings for a smooth pedal stroke and impressive reliability. Plus, it presses directly into your frame's BB30 bottom bracket shell for reduced weight and increased longevity.

The SRAM DUB bottom bracket series has a simple job—to connect crankarms and protect the smooth, long-lasting application of power to the drivetrain. SRAM engineered the oversized DUB spindle to work across every bottom bracket standard, simplifying crankarm compatibility. - Gutter Seal Technology drastically improves sealing against the elements - Sealed cartridge bearings - One oversized spindle to work across every bottom bracket standard

The SRAM DUB bottom bracket series has a simple job—connect your crankarms and protect the smooth, long-lasting application of power to your drivetrain. To allow that singular focus, we've engineered the DUB spindle to be the one true unifying component. One oversized spindle to work across every bottom bracket standard. For better crankarm compatibility. For better protection from the elements. For longer-lasting performance. To be stronger, smoother, simpler. Now, back to the ride. - One oversized spindle to work across every bottom bracket standard - Greater bearing durability

The SRAM DUB bottom bracket series has a simple job—to connect crankarms and protect the smooth, long-lasting application of power to the drivetrain. SRAM engineered the oversized DUB spindle to work across every bottom bracket standard, simplifying crankarm compatibility. - Gutter Seal Technology drastically improves sealing against the elements - Sealed cartridge bearings - One oversized spindle to work across every bottom bracket standard

The SRAM DUB bottom bracket series has a simple job— to connect crankarms and protect the smooth, long-lasting application of power to the drivetrain. SRAM engineered the oversized DUB spindle to work across every bottom bracket standard, simplifying crankarm compatibility. - Gutter Seal Technology drastically improves sealing against the elements - Sealed cartridge bearings - One oversized spindle to work across every bottom bracket standard - Significantly lighter than GXP system

The new SRAM DUB bottom bracket series has a simple job: connect your crankarms and protect the smooth, long-lasting application of power to your drivetrain. To allow that singular focus, we've engineered the DUB spindle to be the one true unifying component. One oversized spindle to work across every bottom bracket standard. For better crankarm compatibility. For better protection from the elements. For longer-lasting performance. To be stronger, smoother, simpler. Now, back to the ride. - One oversized spindle to work across every bottom bracket standard - Gutter Seal Technology drastically improves sealing against the elements - Significantly lighter than GXP system - Sealed cartridge bearings

The new SRAM DUB bottom bracket series has a simple job: connect your crankarms and protect the smooth, long-lasting application of power to your drivetrain. To allow that singular focus, we've engineered the DUB spindle to be the one true unifying component. One oversized spindle to work across every bottom bracket standard. For better crankarm compatibility. For better protection from the elements. For longer-lasting performance. To be stronger, smoother, simpler. Now, back to the ride. - One oversized spindle to work across every bottom bracket standard. - Significantly lighter than PFGXP system - Easier installation by allowing you to press the bearing cups into the frame

The SRAM DUB bottom bracket series has a simple job—to connect crankarms and protect the smooth, long-lasting application of power to the drivetrain. SRAM engineered the oversized DUB spindle to work across every bottom bracket standard, simplifying crankarm compatibility. - Gutter Seal Technology drastically improves sealing against the elements - Sealed cartridge bearings - One oversized spindle to work across every bottom bracket standard

The new SRAM DUB bottom bracket series has a simple job—connect your crankarms and protect the smooth, long-lasting application of power to your drivetrain. To allow that singular focus, we’ve engineered the DUB spindle to be the one true unifying component. One oversized spindle to work across every bottom bracket standard. For better crankarm compatibility. For better protection from the elements. For longer-lasting performance. To be stronger, smoother, simpler. Now, back to the ride. - One oversized spindle to work across every bottom bracket standard. - Significantly lighter than PFGXP system - Easier installation by allowing you to press the bearing cups into the frame - Easy installation - Two fully sealed cartridge bearings - ISO 4210 compliant. See Declaration of Conformity for details. - BB-frame interface PressFit (Road: 86.5mm) - Crank-BB interface DUB - Bearing type Standard - Spindle diameter DUB - Cup material Steel

The new SRAM DUB bottom bracket series has a simple job—connect your crankarms and protect the smooth, long-lasting application of power to your drivetrain. To allow that singular focus, we've engineered the DUB spindle to be the one true unifying component. One oversized spindle to work across every bottom bracket standard. For better crankarm compatibility. For better protection from the elements. For longer-lasting performance. To be stronger, smoother, simpler. Now, back to the ride. Features - One oversized spindle to work across every bottom bracket standard. - Greater bearing durability - Easy installation - Threaded internal cups for an integrated look

The new SRAM DUB bottom bracket series has a simple job—connect your crankarms and protect the smooth, long-lasting application of power to your drivetrain. To allow that singular focus, we've engineered the DUB spindle to be the one true unifying component. One oversized spindle to work across every bottom bracket standard. For better crankarm compatibility. For better protection from the elements. For longer-lasting performance. To be stronger, smoother, simpler. Now, back to the ride. Features - One oversized spindle to work across every bottom bracket standard. - Greater bearing durability - Easy installation - Threaded internal cups for an integrated look - Designed for use with SRAM Wide Cranksets

SRAM's GXP PressFit Road Bottom Bracket Cups are the premium choice for getting the most out of every pedal stroke. They feature smooth bearings that keep drag to a minimum and seals that keep debris out. Plus, these BB cups press directly into the frame without having to be threaded in for reduced weight and enhanced durability.

Get the most out of SRAM's high-tech cranksets with the GXP Team Bottom Bracket. Built to last, this super-smooth bottom bracket lets your SRAM GXP crankset (sold separately) spin effortlessly without weighing you down.

SRAM's GXP Team PressFit MTB Bottom Bracket Cups are the premium choice for getting the most out of every pedal stroke. They feature smooth bearings that keep drag to a minimum and seals that keep debris out. Plus, these BB cups press directly into the frame without having to be threaded in for reduced weight and enhanced durability.

Get the most out of SRAM's high-tech cranksets with the GXP Team Bottom Bracket. Built to last, this super-smooth bottom bracket lets your SRAM GXP crankset (sold separately) spin effortlessly without weighing you down. This GXP100 bottom bracket matches SRAM's Fat Bike cranks.

A tough bottom bracket that will go as hard as you. The PowerSpline has a heat-treated chromoly 12 spline spindle to make sure it can go the distance with even the most demanding riders. SPECIFICATIONS: - BB-FRAME INTERFACE: English/BSA 68E/73mm, English/BSA 68mm, English/BSA 73mm - CHAINLINE: 46.0mm, 48.5mm, 51.0mm, n/a - SPINDLE LENGTH: 108mm Spindle, 113mm Spindle, 118mm Spindle - SUPPORT E-TYPE FD: n/a, Yes - CRANK-BB INTERFACE: Power Spline - BEARING TYPE: n/a - SPINDLE DIAMETER: n/a - CUP MATERIAL: n/a - WEIGHT (G): 363 - WEIGHT BASED ON: BSA 73mm, 113mm spindle

SRAM saw the opportunity to make a better press fit system where all the best from BB30 and PressFit bottom brackets would be combined into one captivating package. Pressfit 30 will feature an integrated seal, pre-assembled into the cups, to further prolong bearing life. The key difference with Pressfit 30 is how the bearings are fitted into the frame. Bearings are housed in nylon cups which will be pressed into the frames bottom bracket shell. This bottom bracket is designed for 30mm spindle cranksets. Frames will need a 46mm inner-diameter bottom bracket shell to accommodate this system. Pressfit 30 for road will require a 68mm wide shell while Pressfit 30 for MTB will require a 73mm wide shell. - Easy installation - PressFit cups for lighter weight - Narrow Q-factor and more ankle clearance - Integrated gutter seal to prolong life - Integrated adjuster - 30mm spindle diameter

- Race Face bottom brackets for use with 30mm spindle cranksets in the Race Face CINCH crank family - Includes inner plastic sleeve and spacer; additional BB fitments can be accommodated with CINCH spacer kits

- Double row bearings improve lifespan with enhanced durability - Allows the use of a 30mm spindle with Shimano press fit shells - Bearings races are fully coated for improved corrosion resistance - Bearings are factory filled with Phil Wood grease

Sealed and Delivered Bottom brackets are something you never think about until you do. With superior sealing and cable routing clearance, our 30mm Cinch BB92 will give you true peace of mind. This bottom bracket stands for precision and and durability. All About The Ball Bearings This BB uses 6806 retainer bearings packed with waterproof grease, along with improved wiper seals to ensure above-and-beyond durability and performance. Death to Creaks We fired up the ol' CNC machine to make sure the anodized alloy cups of this bottom bracket provide an exact, perfectly quiet fit in your frame. Weather, Or Not Features a built-in telescopic sleeve with improved sealing, keeping moisture from bearings and crank spindle. Plus, the sleeve provides more space for internal cable routing.

Spinning and Grinning This rock-solid, durable performer is everything you need in a press-fit 24mm bottom bracket and nothing more. Roll on...and on...and on. In A Sea Of Bearings These little buggers can make a huge difference, so we've made sure our double row custom retainer bearings are super durable and up for the long run. Close Enough Won't Cut It These precision steel cup are coated for corrosion resistance, and CNC-ground surfaces of this bottom bracket provide an exact, perfectly quiet fit in your frame. Weather, Or Not All RF bottom brackets come with an inner plastic sleeve to keep the elements out and include all appropriate spacers to ensure a versatile fit.

As The Wheel Turns This trusty 30mm workhorse of a bottom bracket is built with custom RF double row cartridge bearings for trouble-free, long haul rolling for you PF41 frame. In A Sea Of Bearings These little buggers can make a huge difference, so we've made sure our double row custom retainer bearings are super durable and up for the long run. Close Enough Won't Cut It These precision steel cup are coated for corrosion resistance, and CNC-ground surfaces of this bottom bracket provide an exact, perfectly quiet fit in your frame. Weather, Or Not All RF bottom brackets come with an inner plastic sleeve to keep the elements out and include all appropriate spacers to ensure a versatile fit.

High performing square bottom bracket interfaces with English frames. - Fits square-taper spindle cranksets - Alloy adjustable cups - Includes 2 axle bolts

- High quality sealed cartridge bearings with steel cups - Traditional square JIS 2-degree taper crank-arm interface - 68/73mm English (BC1.37 x 24tpi - RH/LH). Compatible with IRD retrofit cups (sold separately), RD-419