Musguard Back, a Removable, Rollable Bicycle Fender ROLLABLE. When not in use it packs very small . It can be rolled on your frame or simply stored in your bag, pocket or hung on your keychain. MINIMALISTIC. It is very lightweight (40 grams). No mounts, no extra parts to mess your bikes aesthetic. DURABLE. Its made of strong, resilient and recyclable PP plastic sheet using a unique folding system for stability and firm fit. PERFECT FIT. Originally designed for use on fixed gear/single speed bikes, Musgard fits most frames with paired seat stays and a brake bridge. Works best on bikes without a rear brake.