{"product_id":"sunstar-420-39t-nsr50-80-rh-109-39-rear-sprocket","title":"Sunstar 420-39T NSR50\/80 RH-109-39 Rear Sprocket","description":"Product number: RH10939 Chain size: 420 Number of teeth: 39T Material: Aluminum (A7075-T6\/Super Duralumin) Representative models: NS-1, NSR50\/80, Ape50\/100 Type D, etc.\n \u003cbr\u003e\u003cbr\u003e \n From the viewpoint of cost and durability, most normal sprockets are made of extremely heavy steel (iron), except for some competition vehicles. In order to bring out the performance of your car, aluminum is the best material for sprockets. The weight is approximately 1\/3 that of steel. Since it rotates at extremely high speeds, it is essential to reduce weight. The shape is designed to prioritize performance and design over cost, so you can expect it to dress up your car. \u003cbr\u003e\u003cbr\u003e \u003cbr\u003eManufacturer: SUNSTAR\u003cbr\u003eBrand: SUNSTAR\u003cbr\u003eModel name: Rear sprocket\u003cbr\u003eProduct size: 16.7 x 16.7 x 0.58 cm ; 168 g\u003cbr\u003eProduct model number: ‎RH-109-39\u003cbr\u003eProduct dimensions Depth x Width x Height: 16.7 x 16.7 x 0.6 cm\u003cbr\u003eCertification: ‎Installation (installation), use (driving) ) We will only guarantee the product if it is defective. \u003cbr\u003eProduct weight: ‎168 g","brand":"Auto Parts Tokyo","offers":[{"title":"Default Title","offer_id":47810222358848,"sku":"B005J2UU9K","price":83.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/2584\/0704\/products\/719DXH8Rr0L._AC_US1000_87e8eb5c-cb7f-4c36-b3bd-f0f368cb1396.jpg?v=1707235675","url":"https:\/\/megashopjapan.com\/products\/sunstar-420-39t-nsr50-80-rh-109-39-rear-sprocket","provider":"Mega Shop Japan","version":"1.0","type":"link"}