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
- Bottom bracket for one-piece crank - Sealed mechanism - 24 TPI - Spindle Type: One piece - Cup Material: Steel - Weight: 310-315g - Cup Type: Press Fit - Cup OD/Bearing OD: 51mm
• 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
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
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.
High performing square bottom bracket interfaces with English frames. - Fits square-taper spindle cranksets - Alloy adjustable cups - Includes 2 axle bolts
$19.95 - $29.95
- Steel body - Steel cups - Chromoly spindle - Sealed bearings - Interface: English - Square Taper JIS - Weight: 305-320 grams
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.
Shimano BB-ES51 Octalink V2 Bottom Brackets - Fits Shimano Octalink V2 Spline Cranksets - Crankarm fixing bolts not included
$34.95 - $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.
- American style BB for older 3-piece cranks - American BB for 3-piece cranksets - Fits 68mm American frames - Steel construction - Weight: 517 grams - Shell: 68mm - Interface: 24 tpi - Spindle Type: SQR JIS - Cup Material: Steel
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
BB-UN26 cartridge bottom bracket. - Smooth rotation - Square taper spindle - Sealed cartridge bearing assembly
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.
- 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
Shimano's Dura-Ace Bottom Bracket is perfect for Shimano's Dura-Ace crankset. It features durable composite construction, super-smooth sealed bearings and a plastic sleeve for additional protection.
- 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)
- For 19mm crank spindles and Euro bottom bracket frames - Sealed quad bearing design with alloy cups - Shell: Euro - Interface: English - Spindle Type: 19mm
Cartridge-style bottom bracket for use with E-Type front derailleurs. - Smooth rotation - Square taper spindle - Sealed cartridge bearing assembly
$34.95 - $39.95
- Compatible with both American and Mid style BB shells - 6061-T6 full CNC alloy construction - Anodized surface finish - Weight: 255g - Cup Type: Press Fit - Cup OD/Bearing OD: 41mm or 51mm
- One-piece bottom bracket cup set - Bearings included - Shell: 68mm - Spindle Type: OPC - Cup Material: Steel - Weight: 265 grams
Dimension American bottom bracket for one-piece cranks. - Include cups, bearings and cones - 24 tpi
- Standard JIS square taper with steel cups, retainers, lockrings, CrMo spindle, shield included - Formerly called CBB-ST, renamed CBBF
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.
- Forged steel body - Alloy cups - Chromoly spindle - Sealed bearings - Interface: English - Spindle Type: Square Taper JIS - Weight: 290-300 grams
- One-piece bottom bracket cup set - Bearings included - Fits smaller american juvenile/youth sized BB - Shell: 65mm - Cup Material: Steel - Weight: 173 grams
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