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85 mm STM Evoluzione secondary spring

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$ 85.43 (¥ 9,504)
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Product Information

STM slipper clutch-only products

30-80 kg

Changing the spring rate can change engine brake release timing.

Select the small rate spring if if you want aggressive engine brake in STD large rate slipper mechanism immediately want to Flex.

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Delivery Rates : EMS (International Express Mail Service)

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