What will happen if I fit lighter or heavier rollers?
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People think that the lighter rollers are for the pickup and the heavier ones for the speed. This is not completely true. Rollers of different grams are to calibrate your scooter according to the engine set up. The rollers aim is to match as much as is possible the speed range to the engine rev at the maximum power. In this way you achieve the best acceleration and the best speed that your scooter can generate.
