crown and pinion gear applied on 250cc-1100cc vehicle, Ratio:14/35 9/35, 8/27,10/35, 11/38,11/35, ... that requires frequent change of rotational direction. Available in diverse gear run out accurate sizes, these gears offers optimum power ... output. The spiral bevel gear is fitted on top of the shaft with the help ... you to be our cilent and friends spiral bevel gear 9/31