The Deflector RM60+ mudguards offer additional protection, an optimal fit is achieved by extra adjustment. great protection is ensured even on rough terrain. Specially designed for mountain biking, they are easy to install and fit perfectly thanks to the MD-Turn systemMD-Turn system: Quick screw-on mounting system on seat post from ? 25 to 32mmKey features:Double Orientation for Optimal tire coverageReflective Ring for a better visibilityMaterial: Technopolymer resin with dual material spoilerFixation: MD-Turn: On seat post, adjustable for 25 to 32mmBlade Width: From 66 to 72mmWheel Diameter: 26 and 27.5 inchWeight: 220g