{"product_id":"easton-ec90-sl-road-crank-arms-only-with-race-face-cinch-technology","title":"Easton EC90 SL Road Crank Arms Only with Race Face Cinch Technology","description":"\u003cp\u003eThe Easton EC90 SL Crank Arms offer a perfect blend of cutting-edge technology and versatile design for serious road cyclists, cyclocross enthusiasts, and triathletes. Crafted with hollow carbon construction and high-grade aluminium for the pedal insert and spindle, these crank arms deliver exceptional strength-to-weight ratio, ensuring optimal power transfer without unnecessary bulk. The integration of Race Face Cinch technology allows seamless compatibility with both 1x and 2x chainring setups, meeting the diverse needs of modern riders.\u003c\/p\u003e\n\n\u003cp\u003eDesigned with adaptability in mind, the EC90 SL features a narrow-wide chainring design that significantly improves chain retention and reduces noise and friction, enhancing your ride quality. With a 30mm spindle and a road-standard Q-Factor of 149mm, it fits a wide range of bottom bracket standards, including BB86, BSA, PF30, and more. Whether you prefer a single direct mount or a removable spider for double chainrings, this crank arm system ensures smooth shifting and reliable performance across varied terrains.\u003c\/p\u003e\n\n\u003cp\u003eEaston’s attention to detail extends to the finish, with a sleek matte carbon look that complements any bike setup. Available in multiple sizes and ring configurations, the EC90 SL Crank Arms provide the ideal balance of weight (ranging from 442g to 590g depending on the setup) and durability, making them an excellent upgrade for competitive and recreational riders alike.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eEnhancing power transfer and pedaling efficiency with lightweight hollow carbon construction.\u003c\/li\u003e\n  \u003cli\u003eOffering versatility with Race Face Cinch technology compatible with 1x and 2x chainring setups.\u003c\/li\u003e\n  \u003cli\u003eImproving chain retention and reducing noise through narrow-wide chainring design.\u003c\/li\u003e\n  \u003cli\u003eFitting a variety of road bottom bracket standards for broad compatibility.\u003c\/li\u003e\n  \u003cli\u003eProviding an optimized Q-Factor of 149mm for a comfortable and natural pedal stroke.\u003c\/li\u003e\n  \u003cli\u003eSupporting various riding styles including road, cyclocross, and triathlon time trials.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat It’s NOT Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eUse in mountain biking or off-road disciplines beyond cyclocross due to specific road-oriented design.\u003c\/li\u003e\n  \u003cli\u003eRiders seeking integrated crankset and bottom bracket packages, as this product includes crank arms only.\u003c\/li\u003e\n  \u003cli\u003eThose needing compatibility with non-standard or less common bottom bracket sizes outside the supported range.\u003c\/li\u003e\n  \u003cli\u003eCasual riders who prioritize cost savings over performance-oriented components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan these crank arms be used with both single and double chainring setups?\u003c\/strong\u003e\u003cbr\u003eYes, the EC90 SL Crank Arms feature Race Face Cinch technology allowing direct mount 1x rings as well as removable spiders for 2x configurations, providing excellent flexibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat bottom bracket standards are compatible with these crank arms?\u003c\/strong\u003e\u003cbr\u003eThe crank arms fit a wide range of bottom brackets including BB86, BSA 68mm, PF30 68mm, BB30 68mm, BBright, and 386Evo, making them suitable for most road bikes.\u003c\/p\u003e","brand":"Easton","offers":[{"title":"175mm \/ Black","offer_id":45793414840495,"sku":"EACK20EC90SL129ARM175BLK","price":395.83,"currency_code":"GBP","in_stock":false},{"title":"170mm \/ Black","offer_id":45793414873263,"sku":"EACK20EC90SL129ARM170BLK","price":395.83,"currency_code":"GBP","in_stock":false},{"title":"172mm \/ Black","offer_id":45793414906031,"sku":"EACK20EC90SL129ARM172BLK","price":395.83,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/eack20ec90sl129arm17_2.jpg?v=1768528235","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/easton-ec90-sl-road-crank-arms-only-with-race-face-cinch-technology","provider":"Swinnerton Cycles","version":"1.0","type":"link"}