{"product_id":"sprocket-r-520-49t-bk-sc-twin-2","title":"SPROCKET R 520 49T BK SC TWIN","description":"\u003cul\u003e\n\u003cli\u003eInner ring is the same high strength Ultralight™ 7075 T-6 aluminum used for the standard Renthal sprocket\u003c\/li\u003e\n\u003cli\u003eOuter ring is electro-less nickel coated steel for ultimate durability and is designed with the minimum amount of material to keep weight down\u003c\/li\u003e\n\u003cli\u003eThe outer ring is expanded at 200°C and then fitted over the inner; this interference fit combined with the wave pattern ensures a permanent bond for the life of the chainwheel\u003c\/li\u003e\n\u003cli\u003eThe flat socket head screws add additional strength to the chainwheel during side impacts and eliminates contact with the chain guide\u003c\/li\u003e\n\u003cli\u003eSelf cleaning mud grooves between each tooth prevent dirt build upand reduce chainwheel wear and weight\u003c\/li\u003e\n\u003cli\u003eWill outlast a standard all aluminum sprocket by 3 times, yet is much lighter than an all steel rear sprocket\u003c\/li\u003e\n\u003c\/ul\u003e - \u003ca href=\"https:\/\/www.partseurope.eu\/en\/product\/12100812\"\u003eMore details\u003c\/a\u003e","brand":"RENTHAL","offers":[{"title":"Default Title","offer_id":61557498806602,"sku":"12100812","price":134.66,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0888\/8949\/1786\/files\/415ae73f57db347175820dcba7cc46ff.webp?v=1775735437","url":"https:\/\/throttleandgear.com\/products\/sprocket-r-520-49t-bk-sc-twin-2","provider":"Throttle \u0026 Gear Co. Ltd.","version":"1.0","type":"link"}