Hayes Stroker Trail/Carbon Caliper Rebuild Kit CheckoutSpec= 3.7' not the M8

not the M8

pair SRAM Model ID: RB-SPP-A0

Color Black Flat Protection Tread and Sidewall TPI 60 Weight 560 Defined Color Black ISO Width (mm) 40 ISO Diameter 622 / Road / 29" Tire Intended Use Gravel Tire Diameter 700c Tire Bead Folding Labeled Size 700 x 40 Tire Type Tubeless Ready Clincher

This is a spider for use with Shimano mountain bike cranksets that have a removable spider

Hayes Stroker Trail/Carbon Caliper Rebuild Kit CheckoutSpec= 3.7' not the M8Rebuild kits for Hayes hydraulic disc brakes include pistons seals and other parts necessary for service. Model Stroker Carbon Trail Description Caliper Rebuild Kit Package Each