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Ships within 48 hours · Estimated delivery Aug 18 - Aug 23
Wires length: 280mm
*Using a heavier secondary spring when not necessary can affect top speed
Measurements: 18
Longer sensor life
Our new RMSTATOR red regulator
TORQUE SPRING HARD - MINARELLI 2017-yamaha-yz250f-esi3393258 Wires length: 280mmStage6 torque springs, available in 3 different strengths. Pressure on the belt is one of the key factors in a transmission. If the spring is too soft, the belt might slip and rub against the side of the pulley. If the spring is too hard, the belt will be kept from moving. In both cases, you will lose power to the rear wheel, so don't forget to check on them!
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