Now you can tweak your scooter’s performance and save money with a set of these 16×13 roller weights Whether your need is for fast acceleration in city rush hour traffic, or for higher highway speeds, you can adjust your scooter’s running with a set of roller weightsDescription Now you can tweak your scooter’s performance and save money with a set of these 16×13 roller weights. Whether your need is for fast acceleration in city rush hour traffic, or for higher highway speeds, you can adjust your scooter’s running with a set of roller weights.Monster Scooter Parts offers these excellent quality weights at a price that won’t set you back. Great value does not mean high prices.Tuning Tips: Light rollers are good for quick acceleration, stop and go riding and hills, but you loose top end speed. Heavy rollers will give you a higher top end speed (long roads) but you will loose low end acceleration.If you??re a heavy person (and/or) if you have a stock motor you will want to lean towards