Wheels Manufacturing Universal Derailleur Hanger - 487 For Trek ABP MTB Frames designed to accept SRAM UDH BLK CheckoutSpec= 31.8mm Clamp Diameter As the name indicates

As the name indicates

Advanced-grade composite

The URS is stable at the highest speeds with a bit of extra shock response to accommodate your back-road explorations

Tooth Count 52 Ring Position/Type Outer Drivetrain Speeds 11 Chainring BCD 110 Color Black Defined Color Black Material Aluminum

Wheels Manufacturing Universal Derailleur Hanger - 487 For Trek ABP MTB Frames designed to accept SRAM UDH BLK CheckoutSpec= 31.8mm Clamp Diameter As the name indicatesWheels Manufacturing Universal Derailleur Hanger 487 For Trek ABP MTB Frames designed to accept SRAM UDH Black. Wheels Manufacturings SRAM compatible Universal Derailleur Hanger simplifies thousands of hanger designs into one universal standard. Machined completely out of aluminum this new hanger is not only strong but designed to rotate backward and slip slightly in the case of an impact preventing chain jams and protecting the drive train. All