Expect better performance from your scooter, period. No matter what stage you are in upgrading your scooter, simply add Dr. Pulley weights and a kevlar belt for a power upgrade. Sizes 3g-8g Stock is 7g in the 49cc Honda Ruckus
Dr. Pulley roller weights are the most advanced weights available. These sliding rollers perform better than standard round weights by allowing the variator to open farther for higher top speeds, and last longer with less performance material loss. The weights have several unique features such as their composite material containing nylon for better performance.
-Made of unique material
-Low Friction/Low Wear/High temperature resistance
-Fastest roller weights available