NEW! Vortex 45-Tooth Aluminum Rear Sprocket. Computer designed and machined from the highest quality 7075 aerospace aluminum. Saber tooth grooved for self-cleaning and electrically coated for a brighter finish. This sprocket will work with a 520 chain/sprocket setup (not factory).
Converting to a 520 sprocket/chain system reduces weight and resistance in the drive train. This setup is commonly found on race bikes and street bikes where the rider is looking for more rear-wheel horsepower. Probably not suitable for drag racing applications because of wear. The increase in power produced by converting to a 520 system is found in accelerating from low speeds and not dead starts.
Fits*:
*-Note: Depending on the wear of your factory chain, adding extra teeth may require extra links. Usually, when the chain guides are at or beyond halfway, there will be enough length to accommodate a sprocket with two extra teeth!