Rear Drive Belt to Chain Conversion. Fits Sportster 2006-2021. Chrome Rear Sprocket. Final Drive Ratio = 2.12:1 SPE-U.S42050 * Designed to maximize airflow

* Designed to maximize airflow and provide peak filtration

torque & mileage

and positions the catalysts downstream to optimize rider comfort

* Performance spring rate delivers agile handling for aggressive riders without sacrificing comfort

Rear Drive Belt to Chain Conversion. Fits Sportster 2006-2021. Chrome Rear Sprocket. Final Drive Ratio = 2.12:1 SPE-U.S42050 * Designed to maximize airflowChain Drive Kit Includes: 1 x 24 Tooth Transmission Sprocket 1 x Transmission Mainshaft Locknut 1 x 51 Tooth, Flat Steel Rear Chain Sprocket Chrome 1 x Sprocket Pulley Spacer 1 x Rear Pulley Bolts Stainless 12 Point ARP 1 x Rear O'Ring Chain with 114 Links