Main Pulley 37T - Goblin 630/700/770 - neues Standardriemenrad (in allen Kits ab sofort enthalten) ersetzt altes H0016-S, neue Heckübersetzung mit mehr performance (4.67:1)
The new 37T main pulley which is the replacement for the old 36T pulley (H0016-S) is designed to increase the tail ratio a bit (New tail gear ratio is 4.67:1 compares to 4.53:1 of the old pulley) to improve tail performance and authority. In addition the new pulley comes with new screws.A
