The topeak defender rc1rc11 mudguard set combines two fine front and rear road fenders the rc1 amp rc11 that will complement any road race bike and fit any tyres up to 700x25c defendertrade rc1 front mudguard the defendertrade rc1 front fender has a unique quick release bolt clip that attaches securely to brake bolt and removes quickly its dualink angle adjustment allows for optimized fender position providing maximum protection from road spray and grime features att