SRAM XX1 175mm, 156mm Q-Factor Not Included 11sp BB30 76mm
The heart of SRAM’s XX1 1×11 speed drivetrain! X-Sync: A CNC-machined, “wide tooth, narrow tooth” pattern is repeated around the entire chainring, perfectly mirroring the chain’s inner and outer links for maximum control. Six available chainrings (28-30-32-34-36-38) allow the rider to tune their gearing to match their wheel size, riding style, and the terrain Carbon arms with forged aluminum spider New spider design allows for easier ring changes Does not include BB assembly Black Average weight: 650 grams including bottom bracket.