- New

ZF Dual sprocket for Beta RR 250-350-400-450-498-525 4T models from 2005 to 2012
Don't fits on RR 125 4T models
Steel outer ring with an aluminium inner red anodized
Available with Z-48, 49, 50, 51
ZF Dual last at least 3 times longer than any other aluminium sprocket, while being half the weight of a normal steel sprockets. The steel teeth also offer greater life for your whole system.