{"product_id":"sram-red-1x-12-speed-crankset-50t-sram-dub-spindle-interface","title":"SRAM RED E1 1x 12-Speed 50T Aero DUB Crankset","description":"\u003cp\u003eThe SRAM RED E1 1x crankset pairs hollow carbon arms with a \u003cstrong\u003e50T aero direct mount X-Sync chainring\u003c\/strong\u003e for 12-speed road, triathlon and cyclocross bikes. It uses a \u003cstrong\u003eSRAM DUB spindle\u003c\/strong\u003e, and the bottom bracket is sold separately.\u003c\/p\u003e\u003cp\u003eLengths are 160, 165, 167.5, 170, 172.5 and 175mm in Natural Carbon. A 50T single ring makes most sense for flatter courses, time trials and riders who want simplicity over close front gearing.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRoad, triathlon and cyclocross riders running SRAM 12-speed 1x\u003c\/li\u003e\n\u003cli\u003eRiders who want a 50T aero single ring and no front derailleur\u003c\/li\u003e\n\u003cli\u003eFrames with 130mm or 135\/142mm road disc hubs and a DUB bottom bracket\u003c\/li\u003e\n\u003cli\u003eConsider a different crank if you need lower gearing for climbing, a 2x setup or a non-DUB spindle\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eWhat to Look For\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpindle interface:\u003c\/strong\u003e SRAM DUB; bottom bracket not included.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChainring:\u003c\/strong\u003e 50T aero X-Sync, 1x; 45mm chainline.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 160 to 175mm in six sizes.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eHollow carbon fiber arms\u003c\/strong\u003e are 29g lighter than the previous generation, per SRAM.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eDUB spindle\u003c\/strong\u003e needs a DUB bottom bracket, sold separately. Match it to your frame's shell before ordering.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003e50T aero chainring\u003c\/strong\u003e mounts directly to the crank. SRAM's X-Sync wide-tooth, narrow-tooth profile holds the chain on a single ring, and the aero shape suits time trial and triathlon use.\u003c\/p\u003e\u003cp\u003eSRAM states this crank can be \u003cstrong\u003eupgraded to power\u003c\/strong\u003e later with a power meter chainring, sold separately.\u003c\/p\u003e\u003cp\u003eSix lengths let you match a fit precisely, including 160 and 167.5mm.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eRider Intent Summary\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBiggest strengths:\u003c\/strong\u003e An aero 50T single ring, light hollow carbon arms and a power meter upgrade path.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTradeoffs:\u003c\/strong\u003e 50T is a big single ring for hilly terrain, and the bottom bracket is extra.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat makes it different:\u003c\/strong\u003e It is a 1x road crank with an aero ring aimed at tri, TT and fast road setups.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eVictory's Take\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003eWe like the RED 1x 50T for triathletes and flat-course racers who want a clean, simple drivetrain. Victory Bicycle Studio can check your gearing and DUB bottom bracket before you order.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e SRAM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e RED 1 Crankset E1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChainring:\u003c\/strong\u003e 50T aero X-Sync, direct mount\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChainrings:\u003c\/strong\u003e 1x, chain-retaining single\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrivetrain speeds:\u003c\/strong\u003e 12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpindle interface:\u003c\/strong\u003e SRAM DUB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChainline:\u003c\/strong\u003e 45mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHub compatibility:\u003c\/strong\u003e 130mm hubs; 135\/142mm road disc hubs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrank lengths:\u003c\/strong\u003e 160, 165, 167.5, 170, 172.5, 175mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArm material:\u003c\/strong\u003e Hollow carbon fiber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Natural Carbon\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePedal thread:\u003c\/strong\u003e 9\/16\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntended use:\u003c\/strong\u003e Road, tri, cyclocross\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBottom bracket:\u003c\/strong\u003e Not included\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SRAM","offers":[{"title":"160mm \/ 50T","offer_id":53531636990259,"sku":"00.6118.684.000","price":770.0,"currency_code":"USD","in_stock":true},{"title":"165mm \/ 50T","offer_id":53531637055795,"sku":"00.6118.684.001","price":770.0,"currency_code":"USD","in_stock":true},{"title":"167.5mm \/ 50T","offer_id":53883992572211,"sku":"00.6118.684.002","price":770.0,"currency_code":"USD","in_stock":false},{"title":"170mm \/ 50T","offer_id":53531637023027,"sku":"00.6118.684.003","price":770.0,"currency_code":"USD","in_stock":true},{"title":"172.5mm \/ 50T","offer_id":53883995160883,"sku":"00.6118.684.004","price":770.0,"currency_code":"USD","in_stock":true},{"title":"175mm \/ 50T","offer_id":53883996504371,"sku":"00.6118.684.005","price":770.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0981\/3685\/0739\/files\/f4ab5aff78322de956edd050aba10dc4151bd752.jpg?v=1782159388","url":"https:\/\/victorybicyclestudio.com\/products\/sram-red-1x-12-speed-crankset-50t-sram-dub-spindle-interface","provider":"Victory Bicycle Studio","version":"1.0","type":"link"}