The topeak defender r1r2 mudguard set are constructed from new polycarbonate and stainless steel materials and offer riders great protection from any spray these topeak mudguards feature a unique quick release mounting system which requires no tools for installation the topeak defender r1r2 mudguard set will fit all road tyres up to 700 x 23c topeak defender r1r2 mudguard set features adjustable rubber band system with quick release centre bolt clip for easy attachment and removal adj