RENTHAL Aluminium ultralicht achtertandwiel 441U 428 Kleur:Paars Motul has been involved in Motul has been involved in motorsport to demonstrate the technical superiority of its products and to develop some of the major innovations which have shaken up the industry RFX sprockets also feature lightening holes on selected models but only when durability will not be affected Anodizing hardens the surface material and improves aesthetics This rear sprocket will bring you a gain in weight