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Bottom Brackets

Shimano 105 Bottom Bracket Cups
$21.99 - $27.99
Shimano's 105 Bottom Bracket Cups are compatible with Shimano's integrated cranksets and bicycles with threaded bottom brackets. The cups are made of lightweight aluminum and the excellent Shimano bearings are sealed for maximum durability. There's also a nylon sleeve for additional bearing protection.
Shimano BB-ES300 Octalink Bottom Bracket
$26.99 - $29.99
Shimano BB-ES300 Octalink V2 Bottom Brackets - Fits Shimano Octalink V2 Spline Cranksets - Crankarm fixing bolts not included
Shimano BB-ES51 Octalink V2 Bottom Bracket
$67.99
Shimano BB-ES51 Octalink V2 Bottom Brackets - Fits Shimano Octalink V2 Spline Cranksets - Crankarm fixing bolts not included
Shimano BB-UN26 Cartridge Bottom Bracket
$19.99 - $20.99
BB-UN26 cartridge bottom bracket. - Smooth rotation - Square taper spindle - Sealed cartridge bearing assembly
Shimano Dura-Ace R9100 Hollowtech II Bottom Bracket
$53.99 - $56.99
Shimano Dura-Ace BB92, BB9000 Hollowtech II Bottom Brackets - Bottom Bracket Shell I.D.: 1.37" - Defined Color: Black - Weight: 65 g - Spindle Interface Type: Shimano Hollowtech II
Shimano EBBES300B21, BB-ES300, Octalink, BB Shell: 68mm, Axle: 121mm, Steel, Silver
$29.99
Replacement for BB-ES25, now 25g lighter Tubular 22mm spindle for Octalink V2 crank arms More rigid assembly than square taper Sealed cartridge bearings Mounting bolts not included
Shimano Ultegra Bottom Bracket
$35.99 - $43.99
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.
Shimano XT BB-MT800
$37.49
SHIMANO DEORE XT - Bottom Bracket - Threaded - HOLLOWTECH II - 68/73 mm shell width For SHIMANO 24mm MTB cranks, the SHIMANO DEORE XT bottom bracket uses high quality sealed bearings and is offered in threaded and pressfit options. PRODUCT SPECIFICATIONS MODEL NO BB-MT800 SERIES SHIMANO DEORE XT M8000 Series Average weight 82 g HOLLOWTECH II BB Type Threaded bottom bracket type
Shimano Dura-Ace Track Cartridge Bottom Bracket
$94.99
Shimano's Dura-Ace Track Bottom Bracket features smooth-spinning, low-drag bearings for maximum power on the track. The Octalink spindle provides a stiff, high-efficiency platform for your next effort at the Hour Record.
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