Roller Weight Set for QMB139/50cc 4 Stroke Engines (16x13mm) - 7 Grams

Code: MGH0909_7GR
Roller Weight Set for QMB139/50cc 4 Stroke Engines (16x13mm) - 7 Grams Roller Weight Set for QMB139/50cc 4 Stroke Engines (16x13mm) - 7 Grams
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  • Replaces OEM roller weights, size 16x13mm
  • Kit of 6 rollers
  • Available in 4 gram through 7 gram weights, this item is 7 gram
  • Lower weight improves acceleration and re-acceleration
  • Higher weight improves top end speed
  • Fits 50cc/100cc 4 stroke GY6/QMB139 engines
Roller Weight set for QMB139/50cc 4 Stroke Engines (16x13mm) - 7 Grams.
Fits most 50cc/100cc Chinese 4 Stroke GY6/QMB139 engines. 
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