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Bottom Brackets

$109.75 - $126.20
White Industries external BSA style bottom brackets are made here in our shop with U.S. sourced 6061-T6 aluminum and feature Enduro stainless steel bearings as well as a ceramic bearing upgrade option where possible. We offer a wide variety of styles and colors to help you fit your favorite crank to your favorite bike. “BSA” bottom bracket shells and cups are named after the Birmingham Small Arms Company which created the thread standard used in this system. It’s also referred to as “British” or “English” style and is the most common type of system found on modern bicycles. The “external” designation refers to the fact that the bearings will sit outboard of your frame’s bottom bracket shell as opposed to being tucked inside the shell as you would find on some styles of BSA bottom brackets. - 1.37” x 24 TPI threads - Designed to be used on 68mm or 73mm wide bottom bracket shells - Internal BB sleeves are not available for our BSA bottom brackets - Installation torque spec is 26-37 ft lbs (35-50 Nm) Comes in sizes to fit: - White Industries MR30 cranks/Etc (30mm spindle) - SRAM DUB (29mm spindle) - Shimano HollowTech II (24mm spindle) Cup weights - 30mm: 77-82g - 29mm: 85-90g - 24mm: 80-85g
$115.25 - $126.20
White Industries external BSA style bottom brackets are made here in our shop with U.S. sourced 6061-T6 aluminum and feature Enduro stainless steel bearings as well as a ceramic bearing upgrade option where possible. We offer a wide variety of styles and colors to help you fit your favorite crank to your favorite bike. “BSA” bottom bracket shells and cups are named after the Birmingham Small Arms Company which created the thread standard used in this system. It’s also referred to as “British” or “English” style and is the most common type of system found on modern bicycles. The “external” designation refers to the fact that the bearings will sit outboard of your frame’s bottom bracket shell as opposed to being tucked inside the shell as you would find on some styles of BSA bottom brackets. - 1.37” x 24 TPI threads - Designed to be used on 68mm or 73mm wide bottom bracket shells - Comes in sizes to fit: White Industries MR30 cranks/Etc (30mm spindle), SRAM DUB (29mm spindle), Shimano HollowTech II (24mm spindle) - Cup weights: 30mm: 77-82g, 29mm: 85-90g, 24mm: 80-85g - Internal BB sleeves are not available for our BSA bottom brackets - Installation torque spec is 26-37 ft lbs (35-50 Nm)
$100.00 - $126.20
T47 BOTTOM BRACKETS Our T47 bottom brackets are made for multiple configurations. Not only is it compatible with 22/24mm, 24mm, 29mm, and 30mm spindles but also 68/86mm and 73/92mm bottom bracket shell widths. All of our bottom bracket cups are made with 6061 aluminum with angular contact stainless bearings.* *29mm/DUB bottom brackets use radial ball bearings CRANK COMPATIBILITY: 30mm spindle internal or external 29mm spindle internal or external 24mm spindle internal or external 22/24mm GXP spindle internal or external BOTTOM BRACKET SHELL WIDTH COMPATIBILITY: 68mm 73mm 86mm 92mm
$125.99
Threaded ABEC-3 BB for 386EVO frames (86.5mm shell width, 46mm shell ID). 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: BB386EVO - Bottom Bracket Shell Width (mm): 86.5mm - Bottom Bracket Shell I.D.: 46mm - Crank Spindle Type: BB30 - Crank Spindle Diameter: 30mm - Weight: 126g - Packaged for retail display - Will accept 24mm and 24/22mm cranksets using Wheels Mfg. 386EVO BB / Crank Adapters
$144.53 - $153.99
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
$118.65 - $125.99
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 ABEC-3 - 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
$144.53
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
$121.50
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
$144.25
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 Angular Contact - 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: 114g
$141.95
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
$123.99
T47 threaded BB cups for T47 frames and 24.00mm spindle diameter cranks. Cups have outboard bearings and are typically used in BB shells with widths from 68mm to 100mm. 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, and an anti-seize compound compatible with titanium BB shells. Bottom Bracket Includes: - BB Cups with bearings - 2x Silicone dust seals - 2x 0.5mm crank spindle spacers - 2x 1.0mm crank spindle spacers Specification: - Bearings: Enduro ABEC-3 - Bottom Bracket/Frame Interface: T47 - Bottom Bracket Shell Width (mm): 68mm - 100mm - Bottom Bracket Shell I.D.: 47x1.0mm Threaded - Crank Spindle Diameter: 24.00mm - Over Bearing Width: 90.8mm in 68mm wide shell - Over Bearing Width Dimensions include supplied silicone dust shields - Tool Pattern: 44mm x 16-notch - Weight: 150g
$114.50
Run 29mm spindle SRAM DUB compatible cranks in a BSA threaded frame. Machined aluminum cups thread into a standard threaded frame and feature Enduro 6806/29 ABEC-3 sealed bearings outboard of the BB shell. Fully serviceable. Bottom Bracket Includes: - BB Cups with bearings - 2 x Silicone dust seals - 2 x 0.5mm crank spindle spacers - 2 x 1.0mm crank spindle spacers - 1 x 2.5mm crank spindle spacer - Bearings: Enduro 6806/29 ABEC-3 - Bottom Bracket/Frame Interface: ISO/English or BSA Threaded (1.37 in x 24 TPI) - Bottom Bracket Shell Width (mm): 68mm, 73mm, 100m - Bottom Bracket Shell I.D.: 33.6-33.9 mm - Crank Spindle Diameter: 29mm - Tool Pattern: 48.5mm x 16-notch - Over Bearing Width: 91.5mm in a 68mm wide shell - Weight: 102g Compatible with the following Bottom Bracket Standards and SRAM DUB compatible cranks with 29mm diameter spindle: - ISO/English or BSA Threaded (1.37 in x 24 TPI) - 68mm, 73mm, and 100mm BB Shell Width (if used in a 100mm wide shell, install the cups without the center plastic center sleeve)
$70.00
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
$6.00
- With plastic washers - Shell: 8mm Allen head axle bolt
$49.99 - $59.99
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.
$28.00
- 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
$23.00
- 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
$13.99
Shimano BB-UN300 Square Spindle Bottom Brackets - Fits JIS square-taper cranksets - Crankarm fixing bolts sold separately - Hollow spindle SPECIFICATIONS - Spindle Interface Type: Square Taper JIS - BB Shell Width (mm): 68 - Bottom Bracket Shell I.D.: 1.37 - Spindle Length: 110mm - BB/Frame Interface: English - Defined Color: Black
$15.99
- 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
$14.00
Shimano BB-UN300 Square Spindle Bottom Brackets - Fits JIS square-taper cranksets - Crankarm fixing bolts sold separately - Hollow spindle SPECIFICATIONS - Spindle Interface Type: Square Taper JIS - BB Shell Width (mm): 73 - Bottom Bracket Shell I.D.: 1.37 - Spindle Length: 122.5 - BB/Frame Interface: English - Defined Color: Black
$33.99
• 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
$27.00 - $33.00
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
$31.99 - $38.99
Shimano's Ultegra bottom bracket uses Pro Tour-proven technology for lighter weight and super smooth spinning, while still maintaining the same level of durability and stiffness. It's available in English, Italian, or Press Fit models.
$46.00
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
$46.00
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
$41.00
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
$32.20 $46.00 30% Off
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
$32.20 $46.00 30% Off
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
$54.00
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. - Designed for use with SRAM Wide Cranksets - Gutter Seal Technology drastically improves sealing against the elements - Sealed cartridge bearings - One oversized spindle to work across every bottom bracket standard
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