Avid/ SRAM 20mm IS Disc Brake Adaptor Fits 180mm Front and 160mm Rear Rotors CheckoutSpec= For Trail Oval ring shape for riders

Oval ring shape for riders that want to adjust the power profile of their pedal stroke

Compatible with non-HRD SRAM road shift-brake and brake levers

Tooth Count 34 Round or Oval Round Drivetrain Speeds 12 Drivetrain Speeds 11 Drivetrain Speeds 10 Direct Mount Type Direct Mount SRAM Defined Color Black Ring Position/Type Single Ring Position/Type Chain Retaining Single Ring Offset 6 Chainring BCD Sram Direct Mount Color Black Material Aluminum Material Aluminum Chainline/Hub Compatibility 135/142 MTB Hubs Chainline/Hub Compatibility 150/157 DH Hubs Chainline/Hub Compatibility 170/177 Hubs

MatchMaker X also supports the XLoc remote suspension

Avid/ SRAM 20mm IS Disc Brake Adaptor Fits 180mm Front and 160mm Rear Rotors CheckoutSpec= For Trail Oval ring shape for ridersAvid SRAM 20mm IS Disc Brake Adaptor Fits 180mm Front and 160mm Rear Rotors. Disc Brake Adapters TECH SPECS Brake Caliper Type Post Mount Mount Rotor Size Front IS 180 Rotor Mount Rotor Size Rear IS 160 Rotor