-27%
Weight:242 (12-25).Transmission system:sh.Speed:11s.Pole position sprockets material:opaque chromed steel.Middle position sprockets material:opaque chromed steel.Last position sprockets material:al 7075 t6 - hard anodization ht and hard treatment.Lock ring material:al 7075 t6 - black anodization.Sprockets teeth:18-19-20-21-22-23-24-25-26-27-29.