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Bottom Brackets

Shimano UN55 Square Taper English Threaded Bottom Bracket
$23.99 - $29.99
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
RaceFace PF41 CINCH 30mm Bottom Bracket
$59.99 - $74.99
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.
Shimano Deore XT Bottom Bracket
$33.99 - $34.00
• 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 BB-UN26 Cartridge Bottom Bracket
$14.99
BB-UN26 cartridge bottom bracket. - Smooth rotation - Square taper spindle - Sealed cartridge bearing assembly
FSA Platinum ISIS Bottom Bracket
$59.99 - $66.00
ISIS revolutionized bottom bracket spindles. Keep yours spinning smoothly with this Platinum ISIS Bottom Bracket from FSA. - Forged, hollow chromoly spindle with titanium nitride coating - Integrated, large ball bearing design - Cold-forged aluminum cups - Includes crank bolts
RaceFace Cinch Bottom Bracket
$59.99 - $74.99
- 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
Wheels Manufacturing Threaded To 30mm ABEC-3 Bottom Bracket
$119.00
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 ABEC-3 - 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: 102g
Shimano Dura-Ace R9100 Hollowtech II Bottom Bracket
$42.00
Shimano Dura-Ace BB92, BB9000 Hollowtech II Bottom Brackets
Campagnolo Centaur Cartridge Bottom Bracket
$110.00
Features three sealed cartridge bearings. - Fits Daytona, Racing Triple, Centaur, Veloce and Mirage, 1193 and later Athena and pre-1995 Record and Chorus - 115mm spindle recommended for triple cranks and 32 or 35mm seat tubes - Unique taper is not compatible with Shimano - Weight: 233 grams
FSA MegaExo Bottom Bracket Cupset
$36.99 - $69.00
- Left and right bottom bracket cups with standard bearings for FSA MegaExo cranks - BB-9050 is for 24mm spindle 68/73mm MTB K-Force and Team Issue cranks - BB-8681 for K-Force Light (a non-ceramic option) and SLK Light Road MegaExo cranks (BB-8681 bearing covers have been redesigned so that the spindle now rides directly on the bearing itself) - BB-7000 is for 24mm spindle 68/73mm shell MTB Gravity Lite, Moto X and Afterburner cranks - BB-7000 is for 24mm spindle 83mm shell MTB Gravity Lite cranks - BB-6200 is for 24mm spindle 68mm shell Energy, Gossamer and Omega No Bolt Design cranks - BB-6000 is for 24mm spindle 68mm shell Energy, Gossamer and Omega cranks - BB-4000 is for 19mm spindle 69mm shell Omega cranks - BB-1000 is for 19mm spindle 68/73mm MTB Gamma cranks - 1.37" x 24tpi (English threads) or M36 x 24tpi (Italian threads)
Wheels Manufacturing PF30 Outboard ABEC-3 Bottom Bracket
$74.00 - $140.00
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 ABEC-3 - 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: 161g
RaceFace X-Type Team XC Bottom Bracket
$44.99 - $49.99
Designed to be used with X-Type or EXI cranksets. Manufactured from high strength aluminum & featuring custom retainer bearings. Features • BB Cups are forged & CNC machined from 6066 aluminum. • Tapering wall construction to minimize weight. • Custom 6805 16 ball retainer bearing • Bearings feature our custom triple wiper seal to better retain grease & keep contaminants out. • Bearings are factory filled with Phil Wood waterproof grease — tested & proven to extend bearing life.
SRAM DUB PF30 Bottom Bracket
$58.00
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
Shimano BB-UN300
$15.99 - $19.99
- 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
Shimano BB-ES51 Octalink V2 Bottom Bracket
$39.99 - $51.99
Shimano BB-ES51 Octalink V2 Bottom Brackets - Fits Shimano Octalink V2 Spline Cranksets - Crankarm fixing bolts not included
Shimano Tiagra BB-RS500
$19.99
- Tiagra-level Hollowtech II bottom bracket - Compatible with all road Hollowtech II cranks
Odyssey Mid Bottom Bracket
$24.99 - $29.00
Simple and easy to install. Includes an assortment of spacers to optimize chainline and crank clearance and an Odyssey 6061-T6 aluminum dust spacer. - For press-fit MID bottom bracket frames
Sunlite One Piece BB Set
$10.49 - $22.99
- One-piece bottom bracket cup set - Bearings included - Shell: 68mm - Spindle Type: OPC - Cup Material: Steel - Weight: 265 grams
SRAM DUB BSA Bottom Bracket
$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
SRAM GXP Team PressFit MTB Bottom Bracket Cups
$46.00 - $60.00
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.
SRAM PressFit 30 Bottom Bracket
$59.00
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
Shimano BB-5500 Octalink V1 105 Bottom Bracket
$71.99
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.
Wheels Manufacturing PF30 Outboard Angular Contact Bottom Bracket
$110.00 - $172.00
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
Shimano BB-ES300 Octalink Bottom Bracket
$26.99
Shimano BB-ES300 Octalink V2 Bottom Brackets - Fits Shimano Octalink V2 Spline Cranksets - Crankarm fixing bolts not included
SRAM GXP Team Bottom Bracket
$39.99 - $45.00
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 DUB BB89/92 Bottom Bracket
$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
SRAM DUB BB30 Bottom Bracket
$44.00 - $50.00
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
Wheels Manufacturing BB86/92 Thread Together ABEC-3 Bottom Bracket
$118.65
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
Dimension Cruiser/BMX Bottom Bracket
$9.99
Dimension American bottom bracket for one-piece cranks. - Include cups, bearings and cones - 24 tpi
Wheels Manufacturing PF30 Outboard ABEC-3 Bottom Bracket for 30mm Cranks
$140.00
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
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