Bottom Brackets

Dimension American bottom bracket for one-piece cranks. - Include cups, bearings and cones - 24 tpi

The Dynatron features an American BB with press fit cups and caged bearings. - Compatible with 1-piece cranks - Frame BB Shell is 68mm width by 51.5mm inner diameter - BB Style: American

Shimano's Dura-Ace Bottom Bracket Cups are perfect for Shimano's Dura-Ace Crankset. They feature durable composite construction, super-smooth sealed bearings, a plastic sleeve for additional protection, and they come in English and Italian threading.

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

- One-piece bottom bracket cup set - Bearings included - Shell: 68mm - Spindle Type: OPC - Cup Material: Steel - Weight: 265 grams

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: Enduro Angular Contact (22/24mm SRAM non-drive-side bearing: ABEC-3) - Color: Black - Bottom Bracket/Frame Interface: Cannondale BB30A - Bottom Bracket Shell Width: 73mm - Bottom Bracket Shell I.D.: 42mm - Over Bearing Width: 91mm in 73mm wide shell (dimensions include supplied silicone dust shields) - Tool Pattern: 44mm x 16 notch

BB86 threaded BB for Fat Bike PF41. Machined cups thread together for stability, increased bearing life, and simple installation and maintenance. No more creaking. Smooth operation. Fast bearing replacement. - Drive Side Bearing: Enduro Angular Contact - Non-Drive Side Bearing: Enduro ABEC-3 - Color: Black - Bottom Bracket/Frame Interface: PF41 - BB121, PF41 - BB132 - Bottom Bracket Shell Width (mm): 121mm - 132mm - Bottom Bracket Shell I.D.: 41mm - Crank Spindle Type: SRAM / Truvativ GXP - Crank Spindle Diameter: 22/24mm - Weight: 120g

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

Race Face Cinch bottom bracket spacer kit for BB30/PF30 bottom brackets.

- 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

- 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

- 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-ES300 Octalink V2 Bottom Brackets - Fits Shimano Octalink V2 Spline Cranksets - Crankarm fixing bolts not included

FSA PowerPro JIS Cartridge Bottom Brackets. - Includes bolts - Spindle Interface Type: Square Taper JIS - BB Shell Width (mm): 68 - BB/Frame Interface: English

High performing square bottom bracket interfaces with English frames. - Fits square-taper spindle cranksets - Alloy adjustable cups - Includes 2 axle bolts

- Tiagra-level Hollowtech II bottom bracket - Compatible with all road Hollowtech II cranks

- Steel body - Steel cups - Chromoly spindle - Sealed bearings - Interface: English - Square Taper JIS - Weight: 305-320 grams

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

Running a conventional threaded bottom bracket on your BB30 or PF30 frame doesn't have to be complicated. This press-fit adapter from FSA goes in snug and opens up a lot of crankset possibilities for your BB30/PF30 frame. - Aluminum - Allows conventional threaded bottom brackets to be installed in a BB30 or PF30 frame - Install with headset press (not included) and green Loctite (included)

- Adapters press directly into specific PF30, BB30, BB86 or BBright frames and allow the use of standard Ultra-Torque (UT) crank sets and EPS components - Updated design increases surface area contact with the frame's bottom bracket, reducing the possibility of noise from frames with slight imperfections - Ultra-Torque OS Fit BB-cup tool is required for adapter installation

The Revolver bottom bracket features two sealed bearings and 6061 Alloy CNC machined cone spacers with weight-saving tear-drop slots. - Precision sealed bearings - Swaged waist tube spacer for 73mm BB shells - Spindle size: 19mm or 22mm - Shell Size: Mid - Tube Spacer: Swaged waist with 5mm spacer - Spacers: 2.5mm alloy (x4) - Weight: 4.0-ounce

The FSA Alloy Cup JIS bottom bracket is suitable for Italian threaded interfaces. - Alloy cups - Double "snap" seals for water and dirt protection - Spindle Interface Type: Square Taper JIS

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.

A tough bottom bracket that will go as hard as you. The PowerSpline has a heat-treated chromoly 12 spline spindle to make sure it can go the distance with even the most demanding riders. SPECIFICATIONS: - BB-FRAME INTERFACE: English/BSA 68E/73mm, English/BSA 68mm, English/BSA 73mm - CHAINLINE: 46.0mm, 48.5mm, 51.0mm, n/a - SPINDLE LENGTH: 108mm Spindle, 113mm Spindle, 118mm Spindle - SUPPORT E-TYPE FD: n/a, Yes - CRANK-BB INTERFACE: Power Spline - BEARING TYPE: n/a - SPINDLE DIAMETER: n/a - CUP MATERIAL: n/a - WEIGHT (G): 363 - WEIGHT BASED ON: BSA 73mm, 113mm spindle

Campagnolo ProTech bottom brackets feature a patented external sealing ring design that protects a strong, resilient fiberglass-charged polyamide central tube from the harmful ingress of water, mud and grit. - Designed specifically for gravel riding and racing to protect against water, mud & grit

• 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

- High quality sealed cartridge bearings with steel cups - Traditional square JIS 2-degree taper crank-arm interface - 68/73mm English (BC1.37 x 24tpi - RH/LH). Compatible with IRD retrofit cups (sold separately), RD-419

- BBright Bottom Bracket to Mega Exo Carbon Crank BB-PF79 (EE086) - Spindle Interface Type: FSA MegaExo, Shimano Hollowtech II - BB Shell Width (mm): 79 – 84.5 - Bottom Bracket Shell I.D.: 46 - BB/Frame Interface: BBright Direct Fit

- Standard JIS square taper with steel cups, retainers, lockrings, CrMo spindle, shield included - Formerly called CBB-ST, renamed CBBF

- Forged steel body - Alloy cups - Chromoly spindle - Sealed bearings - Interface: English - Spindle Type: Square Taper JIS - Weight: 290-300 grams