Dr. Pulley 21x17mm Sliding Roller Weights for Vespa & Piaggio

Dr. Pulley Sliding Roller Weights for Vespa and Piaggio Scooters

These 21x17mm sliding roller weights from Dr. Pulley are made for Vespa and Piaggio scooters. They are meant to sharpen performance by adjusting gear ratios for quicker acceleration. Like other Vespa scooter parts, they can be fitted without much trouble, so they suit home mechanics. Weights run from 9g to 13g, letting you pick the one that best matches how you ride and what else you have changed.

Design Overview

The rollers use a patented non-round shape. Compared with standard round weights, this shape helps avoid flat spots and uneven wear. The shape also allows a wider gear ratio, so the variator can open and close further than the original equipment parts. The result is better takeoff and better cruising speed.

Self-Lubricating Material

The weights are molded from SL9 nylon composite, which lubricates itself. This helps keep heat down and reduces wear inside the variator. The material supports a longer service life and steady performance while riding.

Specifications

• Material: SL9 nylon composite
• Size: 21mm diameter x 17mm width
• Weights Available: 9g, 9.5g, 10g, 10.5g, 11g, 11.5g, 12g, 12.5g, 13g
• Quantity: Set of 6
• Certification: ISO 9001
• Origin: Made in Taiwan
• Fits: Vespa GTS, GTV, Piaggio BV and MP3, Aprilia Scarabeo/Atlantic, Royal Alloy GP300S, and Leader 200cc engines

Fitment

Fits:

• Vespa GTS 250, 300 (Quasar, HPE, Super Sport)
• Vespa GTV 250, 300 (Sei Giorni & Heritage models)
• Piaggio BV 250, 300, 350 (Beverly)
• Piaggio MP3 250, 300 (Beverly)
• Aprilia Scarabeo 200, 250, 300cc
• Aprilia Atlantic 200, 250, 300cc
• Royal Alloy GP300S
• Piaggio Leader 200cc engines (Vespa GT 200, Piaggio BV 200)

How to choose: Pick a weight between 9g and 13g that suits your riding and any upgrades you have made. Each order includes 6 rollers.

Shop more: Vespa Parts · Scooter Variators & Roller Weights · Scooter Parts