650b x 60mm or 27.5" x 2.3" durable all-weather 36% post-consumer CRS-certified recycled polycarbonate blades with mudflaps require eyelet mounts pre-installed on bicycle for installation Max tire size for complete coverage is 650b x 50mm or 27.5" x 1.9" Steel U-stays and hardware are pre-installed for easy installation Release tabs on front fender for added safety 100mm long mudflap to provide extra coverage for your bike, back, and riding companions