2FAST YAMAHA AEROX / BW’S TORQUE DRIVE ALUMINIUM

In combination with an oversize variator, this torque drive will considerably improve the performance of your engine throughout the entire rpm range. It is an all-aluminium torque drive, the lightest on the market.

As is standard requirement for all oversize pulleys, you’ll have to slightly mill the inside of the crankcase to make room for torque drive and belt.