Features: Each Twinring sprocket that leaves Renthal’s engineering facilities are individually CNC machined to the tightest possible tolerances, ensuring an accurate and reliable fit Inner ring of the Twinring is engineered from Ultralight 7075 T6 Aluminium which helps keep weight to a minimum Outer ring is constructed from electroless nickel coated steel which ensures an ultra long service life Mud grooves prevent build up of mud, helping to increase the working life of the sprocket
