integral part and culture of our organization and stringent efforts are made to ensure that the customers get value for their money.so our clutch always has long-life and wearing. About small gear: This product with AX100,Through an adjustable position of the gear with different gears to achieve a change in the transmission ratio to achieve the gold of speed change.Motorcycle Clutch website:http://www.moyadapower.com/motorcycle-engine-parts/motorcycle-clutch/