Dr. Pulley Sliding Weights (15x12), 50-90cc Yamaha, Minarelli - 7g

DR PULLEY SLIDING ROLLER WEIGHTS means better performance from your scooter no matter what stage you are in upgrading your scooter. Simply add 9-12 gram weights and a Kevlar belt for a power upgrade. The larger weight size will add top end only when you are doing other upgrades to make up for loss of bottom or take off.

The same is true for lighter weights, if you go too light you will need to make up for the loss on the top end.50cc scooters we have found do best with 10 or 11 gram weights, use 10 for over 200lbs 11 under 200lbsAdd the DR PULLEY variator to complete upgrade.

Dr. Pulley Roller Weights are the latest roller weights to hit the market and the most advanced weights available. These sliding rollers perform up to 20% better than standard round weights and last up to 18% longer with 22% less performance material loss. The weights have several unique features such as their composite material being nylon for faster performance.

* Made of unique tribological material SL-9T and SL-9TS (oilless PA46)
* Low friction coefficient / Low wear / High temperature resistance
* Aluminum compatible; No abrasive fibers (glass fiber or carbon fiber)
* Fastest Roller Weights available

Dr. Pulley ---- UNIQUE Sliding Roller Weights Traditionally, gear ratio is changed by the up-and-down rolling movement of the roller weights in the ramp of MDF; Now the innovative Dr. Pulley Sliding Roller Weights �slide� up and down in the ramp of MDF to change the gear ratio.

This unique �sliding movement� provides exclusive advantages to make CVT perform excellently: No abnormal wear will occur, even when Dr. Pulley Sliding Roller Weights work in the high gear position. For even more information we like http://www.voodoo-buddy.com/2009/10/choosing-the-right-weights.html "