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Bottom Brackets

Shimano UN55 Square Taper English Threaded Bottom Bracket
$26.99
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
Easton Bottom Bracket
$49.99
Tech specs: - BSA: 91g - PF30: 117g - BB86: 66g - BB386: 103g
Origin8 Revolvr BB30 Outboard Thread-Together Bottom Bracket
$71.99 - $79.99
Origin8's Revolvr thread-together bottom brackets provide a secure and stable shell interface for smoother operation and extended bearing life. Their hybrid AL6061/Nylon fiber cups deliver a superior fit and noise-free operation. Low-friction dual seals protect the bearings from harmful contaminants, while sealed premium bearings are both serviceable and replaceable. - Designed for installing Shimano HTII 24mm or SRAM GXP 22/24mm spindle cranks into BB30 frames without the need for adapters - Shell: 68-73mm x 42mm - Interface: BB30 - Material: AL6061/Nylon Fiber - Weight: 123g
FSA Mega Exo Sealed MTB Bottom Bracket
$36.99
This FSA MegaExo bottom bracket is for use MTB MegaExo cranksets with 24mm spindles. - Sealed bearings - Die-cast then CNC machined alloy bearing cups - Composite Di2-compatible adjustable center sleeve
Surly O.D. Enduro Bottom Bracket
$70.00 - $130.00
Surly OD Bottom Brackets - Compatible with 24mm spindles - Moonlander BB fits a 100mm bottom bracket shell, but exterior width conforms to BB121 standard
Surly O.D. Enduro Press Fit Bottom Bracket
$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
WeThePeople Compact Mid Bottom Bracket
$24.99
WeThePeople's Compact Mid Bottom Bracket uses high-quality precision sealed bearings for use with Mid-size bottom bracket shells. It includes their own 6061 alloy tube spacer and comes with a selection of spacers to help you dial in your drivetrain.
Shimano BB-UN26 E-Type Cartridge Bottom Bracket
$15.95
Cartridge-style bottom bracket for use with E-Type front derailleurs. - Smooth rotation - Square taper spindle - Sealed cartridge bearing assembly
Wheels Manufacturing Inc. PF30A Outboard ABEC-3 Bottom Bracket for 22/24mm SRAM Spindles
$90.00
Specifically designed for installing 22/24mm spindle diameter cranks (SRAM) 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. Enjoy 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
Problem Solvers Bushnell Lightweight Eccentric Bottom Bracket
$175.00 - $180.00
The Problem Solvers Bushnell Eccentric Bottom Bracket is the industry leading design for chain tension adjustment on tandem and dedicated single speed bikes equipped with eccentric bottom bracket shells. The lightweight version features additional machining and drilling of the alloy body to reduce weight. - Accepts English threaded bottom bracket cups - Lightweight, cut-out body design - Outer Diameter - 54mm
Shimano BB-UN26 Cartridge Bottom Bracket
$15.95
BB-UN26 cartridge bottom bracket. - Smooth rotation - Square taper spindle - Sealed cartridge bearing assembly
Shimano XTR Bottom Bracket
$34.99 - $40.99
Pressfit Model: • For use on BB86/92 bottom bracket shells • Compatible with 24mm spindle Hollowtech II cranksets • BB Shell Width (mm): 92 mm • BB/Frame Interface: BB86 , BB92 • Bottom Bracket Shell I.D.: 41 • Defined Color: Black • Spindle Interface Type: Shimano Hollowtech II Threaded Model: • Includes 3 x 2.5mm spacers • Includes TL-FC24 adapter tool • Reduced size for light weight • New seal construction for smoother rotation • Requires TL-FC34 or included TL-FC24 adaptor for installation & removal • BB Shell Width (mm): 68 mm • BB/Frame Interface: English • Defined Color: Black • Spindle Interface Type: Shimano Hollowtech II • Weight: 77 g
Origin8 Eccentric Bottom Bracket Adapter
$59.99
• Eccentric design allows up to 14mm of adjustment • CNC aluminum construction • Eccentric BB converts BB30 to Shimano HollowTech 2
Hope Stainless Press-Fit Bottom Bracket
$150.30
• CNC machined in Barnoldswick, England • Custom stainless steel bearings by INA of Switzerland are double sealed with a non contact free running Labyrinth seal with aluminum center tube • Compatible with Shimano Mountain Hollowtech II and Race Face X-Type
SRAM DUB Non-Threaded Bottom Bracket
$38.00 - $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 - Significantly lighter than GXP system
Wheels Manufacturing Inc. BB30 Outboard ABEC-3 BB
$85.00
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
Wheels Manufacturing Inc. 386EVO Angular Contact Bottom Bracket
$110.00
Threaded Angular Contact 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 Angular Contact - 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: 124g - Packaged for retail display - Will accept 24mm and 24/22mm cranksets using Wheels Mfg. 386EVO BB / Crank Adapters
Wheels Manufacturing Inc. PF30 Outboard Angular Contact Bottom Bracket
$110.00
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
Wheels Manufacturing Inc. BBbright Outboard Angular Contact Bottom Bracket
$110.00
BBRight™ Outboard 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. - Bearings: Enduro Angular Contact - Color: Black - Bottom Bracket/Frame Interface: BBRight™ Press Fit - Bottom Bracket Shell Width (mm): 79mm - Bottom Bracket Shell I.D.: 46mm - Crank Spindle Type: Shimano Hollowtech II, FSA MegaExo, RaceFace EXI - Crank Spindle Diameter: 24mm - Weight: 146g
Wheels Manufacturing Inc. Threaded To 30mm Angular Contact Bottom Bracket
$95.00
Wheels Mfg solution for running a 30mm spindle crankset in a BSA threaded frame. Machined aluminum cups thread in to a standard threaded frame and feature Enduro 6806 ABEC-3 sealed bearings outboard of the BB shell. Fully serviceable. Notes: - For use with BB30 Wide 30mm diameter cranks with a spindle length of at least 104mm. - Will not work with standard BB30 cranksets. PLEASE MEASURE YOUR BB30 CRANK SPINDLE LENGTH! - Use only bottom bracket tools compatible with 16-notch MegoEvo BB’s. (FSA MegaEvo and Park Tool BBT-29). - Bearings: Enduro Angular Contact - Color: Black - Bottom Bracket/Frame Interface: ISO/English or BSA Threaded (1.37 in x 24 TPI) - Bottom Bracket Shell Width (mm): 68mm - Bottom Bracket Shell I.D.: 33.6-33.9 mm - Crank Spindle Type: BB30 Wide, BB30a, 386EVO, Rotor 3D+, SRAM BB30 Wide - Crank Spindle Diameter: 30mm - Crank Spindle Length: At least 104mm - Weight: 100g
Wheels Manufacturing Inc. PF30 Outboard ABEC-3 Bottom Bracket for 30mm Cranks
$90.00
By popular demand, Wheels Mfg. added this PF30 Outboard Bearing BB for use with 30mm spindle 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. Note: Spindle length must be 103mm or longer when used in a 68mm wide shell; 108mm or longer when used in a 73mm wide shell. - Bearings: ABEC-3 - Color: Black - Bottom Bracket/Frame Interface: PF30, Specialized Carbon OSBB - Bottom Bracket Shell Width: 61mm – 83mm (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: 30mm - Tool Pattern: 48.5mm x 16 notch - Weight: 151g
Dimension Cruiser/BMX Bottom Bracket
$8.99
Dimension American bottom bracket for one-piece cranks. - Include cups, bearings and cones - 24 tpi
Shimano Ultegra Bottom Bracket
$23.99 - $28.99
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.
Chris King PressFit 30 Bottom Bracket Conversion Kit
$28.00
Chris King's Bottom Bracket Conversion Kits make sure that you can match up your frame with your cranks, all while enjoying the super smooth performance of King's in-house stainless steel bearings. These adapters are compatible with frames that feature a Press Fit 30 bottom bracket.
TruVativ Power Spline Bottom Bracket
$25.00
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
Wheels Manufacturing Inc. Threaded MTB ABEC-3 Bottom Bracket
$73.00
External English (BSA) threaded bottom bracket for 73mm shells. Wheels Mfg uses only Enduro bearings and silicone seals for the most durable and smoothest bottom brackets available. Fully serviceable. Includes: (2) - Enduro Silicone dust seals (1) - 2.5mm aluminum BB cup spacers for use with 68mm wide BB shell (1) - 1.8mm aluminum BB cup spacers for use with 68mm wide BB shell (1) - 0.7mm aluminum BB cup spacers for use with 68mm wide BB shell (2) - 0.5mm crank spindle spacers (2) - 1.0mm crank spindle spacers (1) - Wave Washer Direct replacement for SRAM/Truvativ GXP bottom brackets! - Bearings: Enduro ABEC-3 - Color: Red - Bottom Bracket/Frame Interface: ISO/English or BSA Threaded (1.37 in x 24 TPI) - Bottom Bracket Shell Width (mm): 68-73mm - Bottom Bracket Shell I.D.: 33.6-33.9 mm - Crank Spindle Type: GXP (SRAM, Truvativ, Etc.) - Crank Spindle Diameter: 22/24mm - Weight: 116g
Wheels Manufacturing Inc. Threaded Road Angular Contact Bottom Bracket
$95.00
External English (BSA) threaded road bottom bracket for 68mm shells. Wheels Mfg uses only Enduro bearings and silicone seals for the most durable and smoothest bottom brackets available. Fully serviceable. Includes: (2) - Enduro Silicone dust seals (1) - 2.5mm aluminum BB cup spacer (2) - 0.5mm crank spindle spacers (2) - 1.0mm crank spindle spacers Direct replacement for SRAM/Truvativ GXP bottom brackets! - Bearings: Enduro Angular Contact - Color: Gray - Bottom Bracket/Frame Interface: ISO/English or BSA Threaded (1.37 in x 24 TPI) - Bottom Bracket Shell Width (mm): 68mm - Bottom Bracket Shell I.D.: 33.6-33.9 mm - Crank Spindle Type: GXP (SRAM, Truvativ, Etc.) - Crank Spindle Diameter: 22/24mm - Weight: 111g
Wheels Manufacturing Inc. BB86/92 Thread Together ABEC-3 Bottom Bracket
$85.00
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
Wheels Manufacturing Inc. Threaded Road ABEC-3 Bottom Bracket
$75.00
External English (BSA) threaded road bottom bracket for 68mm shells. Wheels Mfg uses only Enduro bearings and silicone seals for the most durable and smoothest bottom brackets available. Fully serviceable. Includes: (2) - Enduro Silicone dust seals (1) - 2.5mm aluminum BB cup spacer (2) - 0.5mm crank spindle spacers (2) - 1.0mm crank spindle spacers Direct replacement for SRAM/Truvativ GXP bottom brackets! - Bearings: Enduro ABEC-3 - Color: Gray - Bottom Bracket/Frame Interface: ISO/English or BSA Threaded (1.37 in x 24 TPI) - Bottom Bracket Shell Width (mm): 68mm - Bottom Bracket Shell I.D.: 33.6-33.9 mm - Crank Spindle Type: GXP (SRAM, Truvativ, Etc.) - Crank Spindle Diameter: 22/24mm - Weight: 111g
Origin8 Revolvr BB86/92 Thread-Together Bottom Bracket
$59.99
Origin8's Revolvr BB86/92 Thread-Together Bottom Bracket provides a secure and stable shell interface for smoother operation and extended bearing life. Hybrid AL6061/Nylon fiber cups offer a superior fit and noise-free operation. Low-friction dual seals protect the bearings from harmful contaminants, while sealed premium bearings are both serviceable and replaceable. Models are available for both Shimano HTII 24mm and SRAM GXP 22/24mm spindles. - Replaces all standard BB86/92 press-fit bottom brackets - Shell: 86-92mm x 41mm - Interface: BB86/BB92 - Cup Material: AL6061/Nylon Fiber - Weight: 103g