Alu 20T gear pulley on primary layshaft, drives rear gear. CNC-machined from premium lightweight Swiss 7075 T6 aluminum, hardcoated for additional durability and longevity and it has been strategically lightened. Rotating mass is reduced without having to sacrifice strength or durability. Belt pulley is integrated with braking system disk adapter and includes factory-pressed pins (non-replaceable). Factory pre-assembled.
