Deflector RM 60 mudguards ensure great protection 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 32mmReflective Ring: For a better visibilitAdjustable: Optimal protection.Key Features:Material: 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: 166g.