MOOSE RACING Rear Sprocket - 42 Tooth - BMW 1211-003-42-10 Fatty Shotgun Exhaust System adjusting the max volume from

adjusting the max volume from 15L to 20L

Centrifugally activated technology automatically prevents engine stalls

Cast aluminum lever sets with silicone grip inserts and anti-friction bronze bushings

Loop waist connection allows attachment to Alpinestars Pro denim pants

Scratch-resistant

MOOSE RACING Rear Sprocket - 42 Tooth - BMW 1211-003-42-10 Fatty Shotgun Exhaust System adjusting the max volume fromThe 7075 T651 aluminum we use for these sprockets receives an extra tempering which reduces distortion and provides optimal thickness vs. typically thinner 7075 T6 sprockets 100% machined, no stamping or grinding Optimal tooth thickness results in maximum tooth and chain contact