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SAB Main Pulley 37T - Goblin 630/700/770

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SKU: H0101-S
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Availability: ETA: 10/28/2016

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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.