Bottom Bracket 24mm Spindle BSA 73 fits Cranks Only (BB1USA-100) (CTN10)

Custom bearings and high performance seals in all e*thirteen bottom brackets deliver supreme durability and smooth spinning.

All Bottom Brackets include our 1 year, no questions asked guarantee.

THREADED Bottom Brackets
Available for cranks with either 30mm spindle (Race and Plus cranks) or 24mm spindle (Base cranks). Available for frames with 68mm, 73mm, 83mm and 100mm threaded BB shells. Gravel BB fits 68mm BSA shells with no spacers for road fit. 

PRODUCT SPEC
Compatibility - BSA or T47 Threaded BB Shells
Features - Custom bearings, high performance seals
Included - Bottom bracket, bottom brackets spacers, sticker, and User Manual.
Size - STANDARD: 68/73mm - T47: 68/73mm - DOWNHILL: 83mm - FATBIKE: 100mm
Spindle - 24mm (Base), or 30mm (Race, Plus)
Weight - 30mm x 68/73mm: 94g - 30mm x 83mm: 96g - 24mm x 68/73mm: 121g

PRESS FIT Bottom Brackets
Our BB30 and PF30 bottom brackets are thread-together systems, which eliminate the creaks common in non-thread-together bottom brackets. Our BB92 bottom bracket uses industry-exclusive, dual-row bearings to fit big performance into a small BB shell, with a center tube to seal the BB shell.

Custom bearings, high performance seals, and custom grease specification in all bottom brackets deliver supreme durability and smooth spinning. Available for cranks with either 30mm spindle (Race and Plus cranks) or 24mm spindle (Base cranks). 

PRODUCT SPEC
Compatibility - BB30 = 42mm shell diameter - PF30 = 46mm shell diameter - BB92 = 41mm shell diameter
Features - PF30/BB30: Thread-together system eliminates creaks.

BB92: Industry-exclusive dual-row bearings maximize durability.
Included - Bottom bracket, bottom brackets spacers, sticker and user manual.
Size - 
BB20.P-BB92.K - BB92 PRESSFIT Bottom Bracket for 68/73mm & 83mm shell BB92 frames. For 30mm crank spindles.

BB20.P-PF30PRS.K - PF30 PRESSFIT Bottom Bracket for 100/110mm shell PF30 MOUNTAIN frames. For 30mm crank spindles.

BB20.P-BB30.K - BB30 THREADFIT Bottom Bracket for 68/73mm & 83mm shell BB30 MOUNTAIN frames. For 30mm crank spindles.

BB20.P-PF30.K - PF30 THREADFIT Bottom Bracket for 68/73mm & 83mm shell PF30 MOUNTAIN frames. For 30mm crank spindles.

BB1USA-101 - PF30 THREADFIT Bottom Bracket for 68/73mm & 83mm shell PF30 MOUNTAIN frames. For 24mm crank spindles.

BB1USA-102 - BB92 PRESSFIT Bottom Bracket for 68/73mm & 83mm shell BB92 frames. For 24mm crank spindles.
Spindle - 24mm (Base), or 30mm (Race, Plus)
Weight - PF30/BB30: 144g - BB92 - 30mm: 12g

Available models:
Bottom Bracket 30mm Spindle BB30 68/73mm Shell width (BB20.P-BB30.K)
Bottom Bracket 30mm Spindle BB92/BB107/BB121 to 92mm/107mm/121mm frames (BB20.P-BB92.K)
Bottom Bracket FATBIKE PF30 fits E-13 100mm PF30 frames(BB20.P-PF30PRS.K)
Bottom Bracket 30mm Spindle Pressfit30 (PF30) (BB20.P-PF30.K)
Bottom Bracket 30mm Spindle XCX, TRS and LG1 BSA 68/73 (BB20.P-BSA73.K)
Bottom Bracket 24mm Spindle BSA 73 fits Cranks Only (BB1USA-100)
Bottom Bracket 24mm Spindle Pressfit30 (PF30) fits Cranks Only (BB1USA-101) 
Bottom Bracket 24mm Spindle BB92 fits Cranks Only (BB1USA-102)
Bottom Bracket BSA 68mm fits 30mm Spindle Cranks Only (BB2UNA-101)
Bottom Bracket 30mm Spindle T47 Threaded Fits 68mm/73mm BB Shell (BB2UNA-100)
Bottom Bracket 30mm Spindle LG1 BSA 83mm (BB20.P-BSA83.K)
Bottom Bracket 24mm Spindle BSA 83 fits e13 Cranks Only (BB1USA-103)