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 32mmDouble Orientation: Optimal tire coverageReflective Ring: For a better visibilityAdjustable: Optimal protectionMaterial: Technopolymer resin with dual material spoiler,Fixation: MD-Turn: On seat post, adjustable for 25 to 32mm,Blade Width: From 66 to 72mm,Wheel Dia: 26 and 27.5 inch,Weight: 220g.