Vortex 225B-58 Black 58-Tooth 520 Aluminum Rear Sprocket

The Vortex 225B-58 is a 58-tooth, 520-pitch aluminum rear sprocket finished in a black anodized coating for a aggressive, two-tone machined appearance. Designed and manufactured in the USA by Vortex Racing, this sprocket is a direct-fit replacement or performance upgrade for a wide range of motorcycles running 520-pitch chain.

Vortex's patented tooth profile is engineered to maximize sprocket longevity, while the lightweight aerospace-grade aluminum construction reduces rotational mass compared to OEM steel sprockets — delivering a more responsive throttle feel and improved rear-wheel power transfer. The black anodized finish is applied before the sprocket is cut, resulting in the iconic two-tone machined look Vortex is known for.

Key Features:

• 58-tooth rear sprocket for taller gearing and increased low-end torque
• 520 pitch chain compatibility
• Black anodized finish — applied pre-cut for a distinctive two-tone machined appearance
• Aerospace-grade aluminum construction — significantly lighter than OEM steel sprockets
• Vortex patented tooth design for extended sprocket life
• Precision CNC machined to tight tolerances
• USA manufactured by Vortex Racing

For best results, clean the chain and sprocket every 300–600 miles on street bikes and maintain proper chain tension to maximize service life. The Vortex 225B-58 is an excellent choice for riders looking to fine-tune their gear ratio or replace a worn OEM sprocket with a premium performance upgrade.