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Hoca QMB139 Engine Gear Sets
Overall Length: 56.7mm
Number of Splines: 19
Inner Diameter (splines peak to peak): 18mm
Hoca Gear Sets in a variety of combinations for QMB139 50cc, 4-stroke engines. Choose from 16 & 18 Front Tooth combinations and 42 & 46 Rear Tooth combinations.
Please see our Warranty & Returns Policy.