Dr. Pulley 16x13 Sliding Roller Weights for a Honda Ruckus, honda  METROPOLITAN and  also fits 50cc QMB139 gy6  , HONDA ELITE dio 50cc ,Baja SC50, Honda Dio, Honda Elite 50, Honda Ruckus 50 (NPS50), Kymco Filly 50, Panterra Fusion 50cc, Panterra Retro 50cc, Qingqi QM50QT-6V, QMB139 50cc/49cc , SUNL SL50QT-16, Tank Classic 50QT-6,

This listing is for 10.5 grams

Dr. Pulley Sliding  Roller Weights have exceptional durability, heat resistance and are low friction and low wear.

Heavier  weights= A slower take off speed with more acceleration and a higher top speed. 

Lighter  weights = A faster take off speed with less acceleration and lower top speed.

Size: 16x13

Set of 6

Lasts longer than standard sliding weights

Excellent Heat Resistance

Low Friction / Low Wear