{"product_id":"d-78389","title":"Super Clutch Center Spring - Approx. 3% stiffer - L-DIOZX","description":"[Daytona 78389 Super Clutch Center Spring, Approx. 3% UP, L-DIOZX Daytona 78389]\u003cbr\u003e\n Made from high-quality silicone chromium steel oil-tempered wire for valve springs (JIS SWOSC-V) with shot peening for improved metal fatigue strength.\u003cbr\u003e\n Resists heat sag even during prolonged use at high temperatures, ensuring stable performance. Reliable domestically produced product.\u003cbr\u003e\n ●The simple paint for identification is finished to a similar standard as the product you receive.\u003cbr\u003e\n There is no permanent color durability, so the color may peel off during use.\u003cbr\u003e\n ●Please select the product with the optimal spring rate after thoroughly understanding your vehicle's engine horsepower and peak power RPM.\u003cbr\u003e\n Guide for selecting a center spring (for 50cc scooters)\u003cbr\u003e\n *Installing a product with 10% UP or more on a normal 50cc engine may worsen acceleration.\u003cbr\u003e\n *Please adjust in conjunction with reviewing the total weight of the roller weights (re-setting) to achieve a better feel.\u003cbr\u003e\n ■Normal engine + normal muffler: STD ~ 3% UP\u003cbr\u003e\n ■Normal engine + aftermarket exhaust: 3% UP ~ 10% UP\u003cbr\u003e\n ■Aftermarket big bore + normal muffler: 3% UP ~ 20% UP\u003cbr\u003e\n ■Aftermarket big bore + aftermarket exhaust: 10% UP ~ 20% UP\u003cbr\u003e\n *The image is for illustration purposes only, and the design and specifications of the products shown are subject to change without notice. Thank you for your understanding.","brand":"デイトナ(DAYTONA)","offers":[{"title":"Default Title","offer_id":45560719376619,"sku":"d-78389","price":1067.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1021\/9499\/files\/d-78389.jpg?v=1719464702","url":"https:\/\/bikeman.jp\/en\/products\/d-78389","provider":"バイクマン","version":"1.0","type":"link"}