Rugged 6061 aluminum construction is corrosion resistant 100mm mudflaps provide ultimate coverage and are double - riveted for durability Hardware is all stainless-steel and pre-installed for hassle-free mounting Release Tabs on front fender for added safety V-stays for added stability Disc brake compatible Meets EN test standards Rear 20` MTB 20` x 50mm 6061AL Stainless Steel Black 20` x 1.50`UPC/EAN/GTIN: 642016706400