{"product_id":"d-63774","title":"SP Crankshaft 41.4mm 12V","description":"\u003cp\u003e【Daytona 63774 SP Crankshaft 41.4mm 12V Engine Surround Bore Up Kit】\n\u003cbr\u003e■Product Description\n\u003cbr\u003eSP crankshaft balanced to match the typical piston weight of 50mm-54mm piston diameters. The balance rate has been optimized to around 25%, which is ideal for horizontal engines, to reduce vibration, and the connecting rod cross-sectional area has been increased to enhance rigidity. High-speed bearings with excellent sliding properties at high RPMs are used for the crank side bearings.\u003c\/p\u003e\n\n\u003cp\u003e■Specifications\n\u003cbr\u003eBest balance when the total weight of the piston ASSY (piston, piston rings, piston pin, pin clips) is approximately 90-115g.\n\u003cbr\u003eSize: Stroke 41.4mm\n\u003cbr\u003eCrankshaft ASSY weight: Approximately 1,725g (Normal weight 1,810g)\n\u003cbr\u003eIncluded accessories: Woodruff key, crankcase gasket\n\u003cbr\u003eHigh-speed bearing 6304L1C3 included\u003c\/p\u003e\n\n\u003cp\u003e■Other Notes\n\u003cbr\u003e*Not compatible with FI vehicles.\u003c\/p\u003e\n\n\u003cp\u003e■Notes\n\u003cbr\u003e*Images are for illustration purposes only. Products of different sizes and colors may be included.\n\u003cbr\u003e*Product design and specifications are subject to change without notice. Please be aware.\u003c\/p\u003e","brand":"デイトナ(DAYTONA)","offers":[{"title":"Default Title","offer_id":47344019472619,"sku":"d-63774","price":23111.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1021\/9499\/files\/d-63774.jpg?v=1768544753","url":"https:\/\/bikeman.jp\/en\/products\/d-63774","provider":"バイクマン","version":"1.0","type":"link"}