See: XRAY

XRAY have introduced two new sets of aluminium clutch shoes for the XB8, XT8, and GTX8. Machined from high-quality aluminium, each shoe weighs 1g. The medium clutch shoes have more slippage, later engagement and provide more rev to the engine while the hard clutch shoes have latest engagement and provides the highest amount of rev to the engine, making them ideal for higher traction conditions. Both the medium and hard clutch shoes are available in set of four.