Outer and inner diameter of the disk have a non-round design that enables better radial expansion of the rotor under extreme heat conditions
Stella GP-R Jacket - Black - US 12 / EU 48
For 3" systems
Thermo Shielder Gloves - Black - Medium
Clutch Basket - with Ring Gear and Bearing
CYLINDER WORKS Cylinder Kit - Big Bore 31007-K02 Pedals Outer and inner diameter ofCylinder Kit Big Bore Ready to install, direct bolt on cylinders require no re plating and look virtually identical to the OEM cylinders, Cylinder kits include matched Vertex pistons to ensure longevity, performance and reduced engine noise, Nickel Silicon Carbide plated for long life, Kits come complete with gaskets, cylinder, piston, rings, pin and clips, Big bore cylinders do not require machine work, Made in the U. S. A.