RENTHAL Sprocket - Front - Yamaha - 16 Tooth 309--525-16P Stock Replacement Radiator Cap Bolt on direct OEM replacement

Bolt on direct OEM replacement

Progressively increases pressure as RPMs increase

Reinforcements consisting of aramid fiber and polyamide for abrasion resistance performance for fourth finger

25mm per click

Dual-bonded foam design filters out even the smallest dirt particles

RENTHAL Sprocket - Front - Yamaha - 16 Tooth 309--525-16P Stock Replacement Radiator Cap Bolt on direct OEM replacementFront sprockets made from case hardened, core refined nickel chrome molybdenum alloy steel for the ultimate combination of strength and hardness CNC machined (not stamped) and feature a computer aided ultra light design to reduce unsprung weight and increase power transfer