Topeak defender m1 front mudguard 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 bikea stiff engineering grade plastic support frame is comolded to a softer more flexible material at the trailing edge for greater durability features size 60 x 10 x 12cm l x w x h material two tone injected nylon attachment qr fork attachment fits 19 626mm wei