{"product_id":"helix-race-107-bcd-chainring","title":"Helix Race 107 BCD Chainring","description":"\u003ch4\u003e\u003cspan style=\"color: rgb(201, 37, 57);\"\u003eSave up to 60% while supplies last!* Final Sale. No returns.\u003c\/span\u003e\u003c\/h4\u003e\n\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":42084151689271,"sku":"CR4HRA-148","price":47.0,"currency_code":"USD","in_stock":false},{"title":"38T \/ Grey","offer_id":42084151722039,"sku":"CR4HRA-151","price":29.93,"currency_code":"USD","in_stock":false},{"title":"40T \/ Black","offer_id":42084151754807,"sku":"CR4HRA-149","price":79.95,"currency_code":"USD","in_stock":true},{"title":"40T \/ Grey","offer_id":42084151787575,"sku":"CR4HRA-152","price":39.93,"currency_code":"USD","in_stock":false},{"title":"42T \/ Black","offer_id":42084151820343,"sku":"CR4HRA-150","price":79.95,"currency_code":"USD","in_stock":true},{"title":"42T \/ Grey","offer_id":42084151853111,"sku":"CR4HRA-153","price":39.93,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/2046\/files\/CR4HRA-148_4.jpg?v=1769538767","url":"https:\/\/www.probikesupply.com\/products\/helix-race-107-bcd-chainring","provider":"Pro Bike Supply","version":"1.0","type":"link"}