Bottom Brackets

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

- For fitting SRAM/Truvativ BB30 cranks to 68mm shell BB30/PF30 frames if spacer kit is missing - Already supplied with all aftermarket BB30/PF30 bottom bracket bearing sets, but not with OEM applications

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 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 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.

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.

Race Face B6 Cupsets for BB92, PF30, and 100 or 73mm BSA bottom brackets. • Race Face BSA30 cups are installed with a RF BSA30 cup tool or with BSA30 standard tools from Rotor, Zipp, and Enduro • Standard 6806 retainer bearings • Bearings are factory filled with Phil Wood grease • Cups are machined for a high tolerance frame fit • Includes an industry exclusive inner sleeve to protect against water • 19 ball flanged retainer bearings • Allow the use of a 30mm spindle with Shimano press fit shells without decreasing ball bearing size • Bearing races are fully coated for improved corrosion resistance • Bearings are factory filled with Phil Wood grease • For Cinch 30mm spindles