Features :  Disc brakes 100%.Racing performance 2Cr13 Material Best quality lightweight rotor. Excellent heat dissipation. Racing Performance. Specifications : Name :  Disc Rotor  Brand : TDPRO Condition : 100% new Material :  metal  Color : silver Thickness: 3mm Color : Metal silver Outer: 19cm/21cm Inner diameter:7.6cm Fitment : universal for 110cc 125cc 150cc Dirt Pit Bike CRF50 SSR Package including : 1pc of the rear rotor 1pc of the front rotor