{"product_id":"helix-race-107-bcd-chainring","title":"e*thirteen Helix Race 107 BCD Chainring","description":"\u003ch4\u003eGRAVEL HARDER. ADVENTURE FURTHER.\u003c\/h4\u003e\n\u003cp\u003eThe Helix Race 107 BCD Chainring is a high-value quality upgrade for Gravel and Road Cyclists using 4-bolt 107 BCD cranks such as SRAM\u003cspan data-mce-fragment=\"1\"\u003e®\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eXPLR or Power Meter Cranks like Quarq Force or Rival. Take full advantage of e*thirteen’s widest range cassettes by dropping 2 teeth or more in chainring size with our smaller 38, 40, and 42T sizes. A combo that supports steeper climbs and faster descents.\u003c\/p\u003e\n\u003cp\u003eHelix Race 107 BCD rings are forged from long-wearing 7075 alloy and CNC optimized for stiffness, lightweight, and chain-retaining performance. Black \u0026amp; grey color options to coordinate with e*thirteen 9-45T and 9-50T cassettes. Like all e*thirteen chainrings, they feature cross-compatible tooth profiles, switching seamlessly between SRAM® or Shimano® 11 and 12-speed drivetrains for absolute build freedom. Chainline is determined by SRAM® crank assembly, 45mm for normal width cranks, 47.5mm for wide cranks.\u003c\/p\u003e\n\u003cp\u003eSRAM\u003cspan data-mce-fragment=\"1\"\u003e® is a Registered Trademark of SRAM LLC.\u003c\/span\u003e\u003c\/p\u003e","brand":"e*thirteen","offers":[{"title":"38T \/ Black","offer_id":46710486728940,"sku":"CR4HRA-148","price":57.0,"currency_code":"CAD","in_stock":false},{"title":"38T \/ Grey","offer_id":46710486761708,"sku":"CR4HRA-151","price":43.0,"currency_code":"CAD","in_stock":false},{"title":"40T \/ Black","offer_id":46710486794476,"sku":"CR4HRA-149","price":114.0,"currency_code":"CAD","in_stock":true},{"title":"40T \/ Grey","offer_id":46710486827244,"sku":"CR4HRA-152","price":57.0,"currency_code":"CAD","in_stock":false},{"title":"42T \/ Black","offer_id":46710486860012,"sku":"CR4HRA-150","price":114.0,"currency_code":"CAD","in_stock":true},{"title":"42T \/ Grey","offer_id":46710486892780,"sku":"CR4HRA-153","price":57.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0060\/8541\/0931\/files\/CR4HRA-148_4.jpg?v=1754235461","url":"https:\/\/www.redmonkeysports.com\/en-ca\/products\/helix-race-107-bcd-chainring","provider":"RedMonkey Sports","version":"1.0","type":"link"}