Feature●2 pcs chain idler for most of bicycle engine●Bore diameter: 10mm●The pulley wheel is an upgraded chain idler pulley wheel for smoother riding●Easy to install: unbolt and remove your stock idler pulley wheel, bolt this pulley wheel in to the stock bracket, adjust your pulley to your chains needs●Pacakge include: 2 x Idler PulleyDescription
Color: Red
Bore diameter: 10mm
Pacakge include: 2 x Idler Pulley