PROX Clutch Spring Kit - Yamaha PBR developped a wide range

PBR developped a wide range of high quality sprockets in collaboration with top teams

low-friction piston alloy is used as is used for all major Japanese engine manufacturers

Front number plate

Wossner forged pistons are made in Germany by specialists of 2 and 4 strokes engine parts

PROX Clutch Spring Kit - Yamaha PBR developped a wide rangeProX Heavy Duty Clutch Spring Kits are approx. 10% stiffer than the OEM spring and will reduce clutch slippage under extreme conditions for maximum control and instant drive. They ensure a positive clutch lockup without slippage. The premium clutch springs give you a high performance feel and durability. Made from the toughest materials available Pre set, shotpeened, heat treated and designed to exceed OEM performance and durability Sold in complete