Hayes Rear Adaptor 203mm to 51mm I.S. Mount QR Axle 8" Rotor w/ Bolts

New (In Box) Hayes Disc Brake Mount Adapter
Adaptor to 51mm I.S. w/ Quick Release Axle 8" Rotor
Brake Caliper Mount: 74mm post
For Rotor Diameter: Rear 203
Caliper Type: 74mm Post Mount
Frame/Fork Mount: 51mm IS Rear
Rotor Size: 203mm
Mfg Listed Weight: 44.0g
*Mounting hardware included*