MTX Performance Brake Disc Rear Solid Round KTM MD6257 #08012 Accessories_Backrests If set up with 18

If set up with 18 - 47 sprockets it will have the following drive ratios

The resulting throttle response is fantastic and acceleration in the lower gears is significantly more aggressive

Rubber Mount not included

Vespa ET2 50cc ET4 125-150cc Air Bellow - Piaggio

MTX Performance Brake Disc Rear Solid Round KTM MD6257 #08012 Accessories_Backrests If set up with 18MTX Performance Brake Disc Rear Solid Round KTM MD6257 #08012 Precision CNC machined and laser cut technology Japanese SUS 420 Stainless Steel Replacement for Original Equipment OEM Design; lightening & drill hole patterns Drawing from its immense racing experience, MTX has refined the performance and tolerances now offering applications for almost every motorcycle brand and model on the market. Performance at your fingertips. Discs sold singularly.