MOOSE RACING Rear Sprocket - 49 Tooth - Beta/Gas Gas/Sherco/Suzuki 1211-822-49-12 Triple Layer Air Filter the other has two round

the other has two round pins

Four section liner construction allows for specific densities of polymer to be prepared for different zones around the helmet lining improving energy performance

Grooves cut with a rearward facing angle give improved grip when braking or steep descent

automatically siphons while bike is running

Made from forged 6061-T6 aluminum lever body for added durability

MOOSE RACING Rear Sprocket - 49 Tooth - Beta/Gas Gas/Sherco/Suzuki 1211-822-49-12 Triple Layer Air Filter the other has two roundThe 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