The Cascadia Fender Hardware Kits are compatible with Cascadia fenders, Hardcore fenders, and Full fenders. Includes: - Rear fender plastic clip - Fork and brake bridge-thru bolts - Stay bolts and lock washers - Disc adaptor spacers (60mm & 65mm widths only) Specific compatibility w/Planet Bike Fenders: - 35mm Width: 700c x 35mm Fenders (Cascadia & Hardcore) - 45mm Width: 700c x 45mm Fenders (Cascadia, Hardcore, and Full) - 60mm Width: 26-inch x 60mm Fenders (Cascadia & Hardcore) - 65mm Width: 29-inch x 65mm (Cascadia)