SRAM BB GXP Team Cups English 100 for GXP Fat Bike Crank:

Sram:

A high-performance external bottom bracket featuring Gutter Seal Technology™ to improve sealing against the elements while reducing drag. With a fresh forged cup design, it delivers a premium look and performance in one.

Features
Gutter Seal Technology™ drastically improves sealing against the elements
GXP’s Gutter Seal design reduces friction
Improved tool engagement
Sealed cartridge bearings
English or Italian threads
ISO 4210 compliant. See Declaration of Conformity for details

SPECIFICATIONS

BB-frame interface: English/BSA (MTB/Road: 68/73mm), English/BSA (MTB: 83mm), English/BSA 100mm
Crank-BB interface: GXP
Bearing type: Standard
Spindle diameter: 24mm
Cup material: Aluminium
Weight (g): 108
Weight based on: BB GXP Team English 68/73