SRAM/Truvativ PressFit GXP BB121 PF41 Bottom Bracket for Fat Bike 24mm integrated recommended: 50–86°F (10~30°C) IP Rating

recommended: 50–86°F (10~30°C) IP Rating IPX5 Duration of Charging Approx

But once you drop the saddle ActiveRide engages delivering extra responsiveness and comfort

8mm clamp area compatible with clip-on aero bars

7 different modes featuring two steady modes and 5 flashing settings

The spider design uses a proprietary thread-on chainring mount system which allows us to reduce weight and increase stiffness without compromising the ability to swap rings

SRAM/Truvativ PressFit GXP BB121 PF41 Bottom Bracket for Fat Bike 24mm integrated recommended: 50–86°F (10~30°C) IP RatingNon Threaded bottom brackets for SRAM and Truvativ cranksets. Engineered with the right materials for the application including sealed cartridge bearings. Bottom Bracket Shell I. D. 41 BB Frame Interface BB121 BB Shell Width (mm) 121 Weight 111 Spindle Interface Type SRAM Truvativ GXP Defined Color Black keyword search Fat Bike