The topeak defender rc11 rear mudguard is a stylish rear mudguard designed for road racing bikes it quickly straps to the top tubeseat tube junction and can be removed in seconds the unique dualink adjustment allows you to optimize the fender position on any road frame size or shape the rc11 is made of high impact plastic weighing only 98g and the highly polished underside prevents dirt buildup fits tires up to 700 x 25c features attachments qr seat tube strap attachment adjustable a