{"product_id":"absoluteblack-premium-oval-road-53t-shimano-9100-8000-blk","title":"absoluteBLACK Premium Oval Road 53T Shimano 9100\/8000 - Blk","description":"\u003cul\u003e\n\u003cli\u003eCompatibility: Shimano Dura-Ace 9100, R9120, R9150 \u0026amp; R9170 Di2 and Ultegra 8000, R8020, R8050 \u0026amp; 8070 Di2, 105- R7000, R7020, R7070. They can also retrofit all 9000 and 6800 series cranks but use bolt covers for best appearance. 10 \/ 11 \/ 12sp compatible\u003c\/li\u003e\n\u003cli\u003eFor outer chainring please order \"long bolts\" from us OR bolt covers. Changing inner chainring to oval only? use original bolts\u003c\/li\u003e\n\u003cli\u003eInner and outer oval chainrings are optimized with smooth shifting in mind\u003c\/li\u003e\n\u003cli\u003eFeatures smooth angled surfaces, (6) up-shifting ramps (outer ring), and (12) down-shifting points (outer ring)\u003c\/li\u003e\n\u003cli\u003eOval rings help the rider to spin smoother and more efficiently\u003c\/li\u003e\n\u003cli\u003eExample: 32t is equivalent to 30t at dead spot and 34t at the power zone\u003c\/li\u003e\n\u003cli\u003eWorks with 2x chainring systems and does not require any modification to the front derailleur for use\u003c\/li\u003e\n\u003cli\u003eDesigned in UK, manufactured in Poland\u003c\/li\u003e\n\u003c\/ul\u003e\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003ePremium Oval Shimano 9100\/8000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRing Type\u003c\/td\u003e\n\u003ctd\u003eOuter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed\u003c\/td\u003e\n\u003ctd\u003e2x9\/10\/11sp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount\u003c\/td\u003e\n\u003ctd\u003e4x110mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTeeth\u003c\/td\u003e\n\u003ctd\u003e53\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOval\/Round\u003c\/td\u003e\n\u003ctd\u003eOval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e53T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePosition\u003c\/td\u003e\n\u003ctd\u003eOuter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Absolute Black","offers":[{"title":"Default Title","offer_id":51779762913563,"sku":"J211239","price":138.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4203\/8043\/files\/58dbadb8b84b3bdc493ee8a6642d37c91292a247.jpg?v=1771038643","url":"https:\/\/bouldernordic.com\/products\/absoluteblack-premium-oval-road-53t-shimano-9100-8000-blk","provider":"Boulder Nordic \u0026 Cycle Sport","version":"1.0","type":"link"}