Nerf Bars, Black (1pr): SLH, SLH 4X4

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Nerf Bars, Black (1pr): SLH, SLH 4X4 Overview

Nerf bars play an extremely important function in the overall durability of a Short Course racer by protecting the sides of the chassis and fragile body of the truck. A weak nerf bar can expose the body and chassis to severe impact damage from side impacts, roll over s and T-bone crashes, just to name a few. Read more

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Brand : RPM

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If you are considering new parts for scooter high-performance, then upgrade your scooter parts 'must-have list' with a set of roller weights tailored to your riding needs. A set of new weights is an inexpensive addition that will enhance your scooter's acceleration and speed performance. Usually one of the easiest modifications that a scooter owner can do, a pack of six of these little rollers will make a big difference on how your scooter behaves in traffic.

Most modern motor scooters use the Continuously Variable Transmission (CVT) system that provides the smooth transmission gearing in the popular twist & go style of scooters. Roller weights are an essential part of the CVT variator, using centrifugal force to push outward and change the gear ratio. A lighter roller will require higher RPMs (and create more rapid acceleration) but will cut down the top speed. This may be preferable for urban stop and go riding where acceleration speed is of more concern than overall highway speed.

RPM

A heavier set of rollers will do the opposite; the lower engine RPMs needed to push the weights means a smoother, if less rapid acceleration. However the same physics involved will generate a higher highway speed. Think of the lighter weights for the city streets and the heavier ones for the open road; helping to make it sort of a 'town or county' decision that is best suited to the rider's personal requirements.

Although the weight of the rollers can be changed to achieve the desired performance, the external size must remain the same as that installed at the factory. Each CVT variator is designed to use a single roller size, with different weights being the only adjustment. Roller weights are identified by their external dimensions in millimeters, and their weight in grams. As an example an 19x17-11 roller is 19 millimeters in diameter, 17 millimeters in width, and weighs 12 grams.

Whether your choice is for a heavier or a lighter set of roller weights, try getting the very best quality weights available. Prima brand standard roller weights and Dr. Pulley sliding roller weights are two of the highest rated scooter parts brands currently available, and either will do an exceptional job. Something as simple as these aftermarket parts for scooter owners to install are an inexpensive and positive upgrade to any scooter's CTV unit.

Parts for Scooter Performance - Roller Weights

For more information on roller weights, or any other parts for scooter performance, visit the experts at Monster Scooter Parts.