Renthal 520 Grooved Steel Front Countershaft Sprocket - 12-Tooth (Part Number: 255--520-12GP)

Maximize your machine's acceleration and final drive efficiency with the Renthal Grooved Steel Front Countershaft Sprocket. Extensively chosen by world-champion motocross, supercross, and enduro racing teams, Renthal front chainwheels are engineered to handle maximum engine torque while keeping rotating mass to an absolute minimum. [1, 2]

This 520-pitch front sprocket is precision CNC-machined from case-hardened and core-refined 655M13 nickel-chromium-molybdenum alloy steel, offering an ultimate combination of structural hardness and fatigue resistance. This GP version features Renthal’s specialized self-cleaning mud grooves precision-machined at the base of each tooth. These channels allow trail mud, sand, and track debris to clear out instantly, preventing severe chain tension spikes and vastly increasing the service life of both your sprocket and drive chain. [1, 2]

This 12-Tooth, 520 Pitch front sprocket features classic Suzuki-style countershaft splines. It delivers an exact factory fitment across a wide array of legendary Suzuki off-road dirt bikes, dual-sports, and sport ATVs: [1]