{"product_id":"renthal-rear-sprocket-aluminum-ultralight-style-490-520","title":"Renthal Rear Sprocket, Aluminum Ultralight, Style 490 (520)","description":"\u003c!-- isbk-recipe --\u003e\n\u003cp\u003eSprockets set your gearing. One tooth fewer at the front, or a couple more at the rear, makes the bike pull harder out of corners and lifts the front sooner, at the cost of top speed and higher revs on the highway. Going the other way calms it down. Worn sprockets have hooked or pointed teeth and will wear out a new chain quickly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFits as a 520 conversion on the BMW S 1000 (all R\/RR\/XR w\/ forged wheels) and BMW S 1000 RR HP4\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCNC machined (not stamped) and feature a computer-aided ultra-light design to reduce unsprung weight and increase power transfer\u003c\/li\u003e\n  \u003cli\u003eFeatures special tooth profile that allows the chain to roll easily on and off the sprocket for longer wear, less noise and more power\u003c\/li\u003e\n  \u003cli\u003eModel-specific: check the fitment list for your bike\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFits\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eBike\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eStock gearing (front \/ rear)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW S 1000 (all R\/RR\/XR w\/ forged wheels) \u003cem\u003e(520 conversion)\u003c\/em\u003e\n\u003c\/td\u003e\n\u003ctd\u003e2015–2018\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW S 1000 RR HP4 \u003cem\u003e(520 conversion)\u003c\/em\u003e\n\u003c\/td\u003e\n\u003ctd\u003e2013–2014\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003csmall\u003eEvery tooth count of this rear sprocket fits the bikes above. Choose the stock count to keep your gearing, or a different one to change it.\u003c\/small\u003e\u003c\/p\u003e\n\u003cp\u003e\u003csmall\u003eA bike marked (520 conversion) takes this sprocket only once its final drive is converted to 520 chain, with a matching front sprocket and chain.\u003c\/small\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eChanging tooth counts changes your speedometer reading on most bikes, and may need a different chain length. Replace sprockets and chain together.\u003c\/em\u003e\u003c\/p\u003e\n\u003c!-- \/isbk-recipe --\u003e","brand":"Renthal","offers":[{"title":"45T","offer_id":51123723370735,"sku":"490U-520-45P-HA","price":94.46,"currency_code":"USD","in_stock":false},{"title":"46T","offer_id":51123723403503,"sku":"490U-520-46P-HA","price":94.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/2016\/3567\/files\/image_0_0_da78c9a5-29a3-49be-bbb0-e991cdda76c5.png?v=1792158925","url":"https:\/\/indysbk.com\/products\/renthal-rear-sprocket-aluminum-ultralight-style-490-520","provider":"Indy Superbikes","version":"1.0","type":"link"}