{"title":"Gravel Chainrings","description":"\u003cp\u003eGravel chainrings for wide-range cassettes and cross-compatible drivetrains. The Helix Race 107 BCD fits SRAM® XPLR and Quarq cranks in smaller sizes to unlock steeper climbs with our gravel cassettes. The UL Chainring is the lightest 1x gravel ring on the market, built for XCX Race cranks. Both work with SRAM® and Shimano® 11 and 12-speed.\u003c\/p\u003e\n\u003cp\u003ePairing the right chainring with a wide-range cassette is where gravel gearing gets interesting. Drop a few teeth up front and suddenly those steep fire road climbs feel possible. We built gravel chainrings to make that happen.\u003c\/p\u003e\n\u003cp\u003eThe Helix Race 107 BCD Chainring fits 4-bolt 107 BCD cranks like SRAM® XPLR or power meter cranks from Quarq (Force and Rival). Available in 38T, 40T, and 42T sizes that pair perfectly with our 9-45T and 9-50T cassettes for a setup that supports steeper climbs and faster descents. Forged from long-wearing 7075 alloy and CNC optimized for stiffness, lightweight, and chain retention.\u003c\/p\u003e\n\u003cp\u003eThe UL Chainring is the lightest 1x XC\/gravel chainring on the market, designed for our XCX Race Gravel cranks. Available from 30T to 42T with a -5mm (Boost) offset. We took our SL Chainring platform, tweaked the arm design, and strategically machined it for massive weight savings with minimal sacrifice in impact strength.\u003c\/p\u003e\n\u003cp\u003eBoth chainrings feature cross-compatible tooth profiles that switch seamlessly between SRAM® and Shimano® 11 and 12-speed drivetrains. Build the setup you want without ecosystem lock-in.\u003c\/p\u003e","products":[{"product_id":"sl-guidering","title":"SL Guidering","description":"\u003cp\u003eLighter, stronger and better looking than our original Guiderings; the Guidering SL is intended for use on TRS, LG1 and legacy e*thirteen cranks. \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe Guidering SL is -8mm offset. This offset will achieve both boost (52mm) and non-boost (49mm) spacing on e*thirteen cranks that feature adjustable chainline (2019 and newer TRS \u0026amp; LG1). On legacy and XCX cranks the Guidering SL will achieve a 49mm non-boost chainline.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eDedicated Boost and SuperBoost chainrings can be found \u003ca href=\"https:\/\/us-new.ethirteen.com\/products\/ul-guidering?_pos=1\u0026amp;_sid=5339d9162\u0026amp;_ss=r\" target=\"_blank\"\u003eHERE\u003c\/a\u003e.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSL Chainrings are not compatible with Helix cranks. Helix cranks require Helix rings.\u003c\/strong\u003e \u003c\/p\u003e","brand":"e*thirteen","offers":[{"title":"28t","offer_id":44989039018301,"sku":"CR3UNA-100","price":62.95,"currency_code":"GBP","in_stock":true},{"title":"30t","offer_id":44989039051069,"sku":"CR3UNA-101","price":55.95,"currency_code":"GBP","in_stock":true},{"title":"32t","offer_id":44989039083837,"sku":"CR3UNA-102","price":55.95,"currency_code":"GBP","in_stock":false},{"title":"34t","offer_id":44989039116605,"sku":"CR3UNA-103","price":55.95,"currency_code":"GBP","in_stock":false},{"title":"36t","offer_id":44989039149373,"sku":"CR3UNA-104","price":55.95,"currency_code":"GBP","in_stock":true},{"title":"38t","offer_id":44989039182141,"sku":"CR3UNA-105","price":62.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5971\/7693\/files\/CR3UNA-103_492cbf40-dd5d-4302-a8e9-3b566fee88db.gif?v=1737030465"},{"product_id":"ul-guidering","title":"UL Chainring","description":"\u003cp\u003eUL Chainrings are the lightest 1x XC\/Gravel chainrings on the market. Using the SL Chainring as the platform, we tweaked the arm design and strategically machined the chainring so that only minimal sacrifice was made in impact strength for large gains in weight reduction.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eUL Chainrings are -5mm (Boost) offset for use with XCX Race MTB cranks on Boost bikes. If you're installing XCX Race MTB Cranks onto a non-Boost (142mm) bike, please use SL Chainrings. ALL XCX Gravel applications will use the UL ring.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUL Chainrings are \u003cspan style=\"text-decoration: underline;\"\u003enot\u003c\/span\u003e compatible with Helix cranks. Helix cranks require Helix rings available soon.\u003c\/strong\u003e\u003cem\u003e \u003c\/em\u003e\u003c\/p\u003e","brand":"e*thirteen","offers":[{"title":"30t","offer_id":44989064249661,"sku":"CR3UNA-106","price":64.95,"currency_code":"GBP","in_stock":false},{"title":"32t","offer_id":44989064282429,"sku":"CR3UNA-107","price":64.95,"currency_code":"GBP","in_stock":true},{"title":"34t","offer_id":44989064315197,"sku":"CR3UNA-108","price":64.95,"currency_code":"GBP","in_stock":true},{"title":"36t","offer_id":44989064347965,"sku":"CR3UNA-109","price":64.95,"currency_code":"GBP","in_stock":false},{"title":"38t","offer_id":44989064380733,"sku":"CR3UNA-110","price":74.95,"currency_code":"GBP","in_stock":true},{"title":"40t","offer_id":44989064413501,"sku":"CR3UNA-111","price":74.95,"currency_code":"GBP","in_stock":true},{"title":"42t","offer_id":44989064446269,"sku":"CR3UNA-112","price":74.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5971\/7693\/files\/BTurman-e13-9563_f72dc244-3f49-41ef-835d-be8744a55b56.jpg?v=1727189644"},{"product_id":"helix-race-107mm-bcd-chainring","title":"Helix Race 107 BCD Chainring","description":"\u003ch4\u003eCOMING SOON!\u003c\/h4\u003e\n\u003ch5\u003eGRAVEL HARDER. ADVENTURE FURTHER.\u003c\/h5\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\u003cmeta charset=\"utf-8\"\u003e\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.\u003cbr\u003e\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\u003cmeta charset=\"utf-8\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e®\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eor Shimano\u003cmeta charset=\"utf-8\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e®\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e11 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":"Black \/ 38T","offer_id":45342917427517,"sku":"CR4HRA-148","price":39.93,"currency_code":"GBP","in_stock":false},{"title":"Black \/ 40T","offer_id":45342917460285,"sku":"CR4HRA-149","price":39.93,"currency_code":"GBP","in_stock":false},{"title":"Black \/ 42T","offer_id":45342917493053,"sku":"CR4HRA-150","price":39.93,"currency_code":"GBP","in_stock":false},{"title":"Grey \/ 38T","offer_id":45342917329213,"sku":"CR4HRA-151","price":39.93,"currency_code":"GBP","in_stock":false},{"title":"Grey \/ 40T","offer_id":45342917361981,"sku":"CR4HRA-152","price":39.93,"currency_code":"GBP","in_stock":false},{"title":"Grey \/ 42T","offer_id":45342917394749,"sku":"CR4HRA-153","price":39.93,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5971\/7693\/files\/CR4HRA-151_4_3977d066-3895-4cd4-9cd2-14b9acaf10ee.jpg?v=1712820601"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5971\/7693\/collections\/CR4HRA-151_4.jpg?v=1783727718","url":"https:\/\/ethirteen.uk\/collections\/gravel-chainrings.oembed","provider":"e*thirteen UK","version":"1.0","type":"link"}