DeFender™ M1 is compatible with all standard front forks including reverse arch designs, the unique quick release attachment system integrates the DeFender™ M1 seamlessly with the front of your bike. A stiff engineering grade plastic support frame is comolded to a softer more flexible material at the trailing edge for greater durability and a highly polished underside helps prevent dirt buildup and aids in cleaning. Fits MTB 26" tires. Features Attachment (Front) QR Fork Attachment Fits ø19.6 - ø26 mm & ø27.7 - ø35 mm steerer Tube Material Two Tone Injected High Impact Resisant Plastic Added Features Highly Polished Underside Size (L x W x H) 60 x 10 x 12 cm23.6” x 3.9” x 4.7” - M140 x 10 x 12 cm15.8” x 3.9” x 4.7” - M2 Weight 190 g / 6.69 oz - M1230 g / 8.10 oz - M2