Prima 20x17mm Roller Weight Set - Vespa GT/GTS/GTV 200-300

$11.00

Weight per roller (g)

Part number ROLL20X17 13.0 G

Check dimensions and compatibility before ordering.

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Description

Prima 20x17mm CVT roller weights for Vespa GT, GTS, and GTV 200/250/300cc scooters and other Piaggio 125–300cc large-frame models. Black polymer outer shell with aluminum inner sleeve. Set of 6. Available in multiple gram weights — select your weight from the variant options.

The 20x17mm size is the standard roller for the Piaggio M31/M35 CVT platform used in modern Vespa and Piaggio large-frame scooters.

Set of 6 roller weights
Black polymer outer shell with aluminum inner sleeve
20x17mm — standard size for Piaggio M31/M35 large-frame CVT variators
Lighter weights: higher RPM, better acceleration and hill climbing
Heavier weights: lower RPM, higher top speed
Prima

Tuning Guide

Lighter rollers — better low-end acceleration, hill climbing, and stop-and-go riding
Heavier rollers — higher top speed on open roads, lower cruising RPM
Heavier rider or stock engine: lean lighter | Lighter rider or performance exhaust: lean heavier

Features

Set of 6 roller weights
Black polymer outer shell with aluminum inner sleeve
20x17mm — standard size for Piaggio M31/M35 large-frame CVT variators
Lighter weights: better acceleration | Heavier weights: higher top speed

Specifications

Weight per roller (g)	13.0 G

Dimensions: 20mm x 17mm
Quantity: Set of 6
Construction: Black polymer shell, aluminum inner sleeve
Application: Piaggio M31/M35 CVT platform, 125–300cc

Model Fitment

Make	Model
Vespa	GT 200, GTS 250, GTS 300, GTV 250, GTV 300
Piaggio	MP3 250/300, Beverly 250/300, X9 250, X10 350
Aprilia	Scarabeo 250/300 (Piaggio engine)
Various	All Piaggio M31/M35 platform 125–300cc scooters with 20x17mm variator rollers

California Prop 65 Warning: www.p65warnings.ca.gov

Supplier product-family reference photos. Select the exact weight or jet size from the options; markings in a reference photo may show a different option.