Wolf Tooth Direct Mount Chainring 40t RaceFace Easton CINCH Direct Mount Drop Stop 10 11 12 Speed Eagle Flattop Compatible BLK CheckoutSpec=Reba Includes 98A cleats Shimano SM SH51 Includes 98A cleats Shimano SM SH51 compatible Length (mm) 35 Material Alloy Defined Color Black keyword search Tubeless Valve Core Removable Valve Presta If using a 9 speed drivetrain use a 10 speed chain which will provide a tighter fit for better chain retention Ring Position Type Chain Retaining Single Ring Tooth Count 40 Round or Oval Round Drivetrain Speeds 9 Drivetrain Speeds 10 Drivetrain Speeds 11 Drivetrain Speeds 12 Material Aluminum Defined Color Black Direct Mount Type Direct Mount CINCH