SRAM/Truvativ PressFit GXP BB121 PF41 Bottom Bracket for Fat Bike Model-Air-Liner Light XC Trail Breathable and Durable: 3D mesh

Breathable and Durable: 3D mesh provides ventilation and increased comfort during training

Good forefoot flexion for classic style and stiff rear part for perfect torsion-to-flexion rigidity ratio

Nordic - Closing system: Premium velcro strap

year 2021+ model SID/SID Select+

- Shimano XT 12 Speed

SRAM/Truvativ PressFit GXP BB121 PF41 Bottom Bracket for Fat Bike Model-Air-Liner Light XC Trail Breathable and Durable: 3D meshSRAM Truvativ PressFit GXP BB121 PF41 Bottom Bracket for Fat Bike. Non Threaded bottom brackets for SRAM and Truvativ cranksets. Engineered with the right materials for the application including sealed cartridge bearings. TECH SPECS 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