Renthal 150U52050GBBU Ultralight Grooved 50T Rear Sprocket Blue (520 Pitch) • Replacement rivets included (8

• Replacement rivets included (8 +1 spare)

* Fits Pinion Shaft on Big Twin 1981-1989 & all aftermarket flywheels

Fuel / air mixture was stable at 14:1

* Check fitment prior to paint

• Finished in high-gloss black powder coat

Renthal 150U52050GBBU Ultralight Grooved 50T Rear Sprocket Blue (520 Pitch) • Replacement rivets included (8Renthal UltraLight Rear Chainwheels are CNC machined in Manchester, UK from 7075 T6 aluminum to extremely tight tolerances, 66% lighter than steel. Computer engineered and tested to ensure a precise fitment, concentricity and load dispersion with tooth profiling to provide maximum power transfer. With Renthal's combination of high strength base material, cutting edge manufacturing methods and exceptional hardwearing surface treatments its clear to see