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Roller Set for QMB139/GY6 50cc Engines- 5 Grams 

- Replace OEM roller weights size 16x13
- Kit of 6
- Choose from 4 Gram through 7 Gram Weights.
- Lower weight improves acceleration and re-acceleration properties
- Higher weight improves top end speed
- Fits 50cc/100cc 4 Stroke GY6/QMB139 engines.

Modcycles

Roller Weight set for QMB139/50cc 4stroke engines (16x13mm) - 5 Grams

SKU MGH0909_5GR
$19.99
$16.99

Roller Set for QMB139/GY6 50cc Engines- 5 Grams 

- Replace OEM roller weights size 16x13
- Kit of 6
- Choose from 4 Gram through 7 Gram Weights.
- Lower weight improves acceleration and re-acceleration properties
- Higher weight improves top end speed
- Fits 50cc/100cc 4 Stroke GY6/QMB139 engines.
$19.99
$16.99

Frequently Bought Together

Total price $10,206.95

Product Description

Roller Set for QMB139/GY6 50cc Engines- 5 Grams 

- Replace OEM roller weights size 16x13
- Kit of 6
- Choose from 4 Gram through 7 Gram Weights.
- Lower weight improves acceleration and re-acceleration properties
- Higher weight improves top end speed
- Fits 50cc/100cc 4 Stroke GY6/QMB139 engines.

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