QUICKCHANGE GEARSET #1, 21/21
QUICKCHANGE GEARSET #1, 21/21
SKU:SCS S-01
Regular price
$109.99
Regular price
Sale price
$109.99
Unit price
per
*SPUR RATIO=TEETH ON TOP GEAR DIVIDED BY TEETH ON BOTTOM GEAR
*GEAR RATIO=SPUR RATIO X R&P RATIO