SRAM Hammerhead Mounting System - 31.8 MFPN=00.6118.738.017 13t lower pulley and 13t

13t lower pulley and 13t upper pulley

Color Brushed Titanium Number of Chainrings No Rings No Spider Included Crank Length (mm) 170 Crank Intended Use Mountain Weight 400 BB Included No Pedal Spindle 9/16" Spindle Interface Type BB30/PF30 Spindle Interface Type 392 EVO Spindle Interface Type RaceFace/Easton CINCH Chainring BCD Direct Mount SRAM Chainline/Hub Compatibility 141/148 Boost Hubs Chainline/Hub Compatibility 135/142 MTB Hubs Chainline/Hub Compatibility 157 Super Boost Hubs Defined Color Gray keyword search eeWings

The XG-1270 D1 cassette is designed to operate with XDR driver bodies

Cooling fin equipped back plate provides consistent

I-spec Ev and MatchMaker compatible (adapters included)

SRAM Hammerhead Mounting System - 31.8 MFPN=00.6118.738.017 13t lower pulley and 13tHammerhead Mounting System 31. 8 SRAM Model ID: AC CM HH A1 TECH SPECS Mount Type Clamp 31. 8mm