{"product_id":"e-thirteen-helix-chainrings","title":"e*thirteen Helix Chainrings - MTB \u0026 Gravel","description":"\u003ch2\u003eA chainring for (almost) every crank\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ee*thirteen Helix\u003c\/strong\u003e chainrings are machined from \u003cstrong\u003e7075-T6 aluminium\u003c\/strong\u003e (the Helix steel ring is, well, steel) with a narrow-wide tooth profile for strong chain retention, low noise and long wear. They work with \u003cstrong\u003eSRAM and Shimano 11 and 12-speed chains\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eChoose from direct mount rings for e*thirteen cranks (flip-flop for 52 or 55mm chainline), 3-bolt rings for SRAM cranks, 8-bolt rings for Helix Race Carbon cranks, gravity-specific GR rings, and 107 BCD rings for gravel cranks like SRAM XPLR.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe Inside Line:\u003cbr\u003e\u003c\/strong\u003eThe chainring is the easiest way to make your bike look faster. Whether it actually is depends on your legs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e7075-T6 aluminium (Helix steel ring: steel)\u003c\/li\u003e\n\u003cli\u003eNarrow-wide tooth profile\u003c\/li\u003e\n\u003cli\u003eSRAM and Shimano 11\/12-speed chain compatible\u003c\/li\u003e\n\u003cli\u003eDirect mount: flip-flop 52\/55mm chainline\u003c\/li\u003e\n\u003cli\u003e28 to 42T\u003c\/li\u003e\n\u003cli\u003eColours to match Helix cassettes\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSome colours are run-out stock, available while they last.\u003c\/li\u003e\n\u003cli\u003eVariants without a stock code are ordered in on request.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhich ring?\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHelix Race \/ Plus \/ steel direct mount:\u003c\/strong\u003e e*thirteen Helix, TRS, LG1 and XCX direct mount cranks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHelix Race 3-bolt:\u003c\/strong\u003e SRAM 3-bolt direct mount cranks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHelix Race 8-bolt:\u003c\/strong\u003e Helix Race Carbon and other 8-bolt cranks (Helix rings need only 4 bolts; other brands' rings need all 8).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHelix Race GR:\u003c\/strong\u003e Helix Race GR cranks; required on 83mm GR cranks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHelix Race 107 BCD:\u003c\/strong\u003e 4-bolt 107 BCD gravel and road cranks, e.g. SRAM XPLR and Quarq power meters.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eMatching parts:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eCranks: \u003ca href=\"\/products\/e-thirteen-helix-race-alloy-mtb-cranks\"\u003eHelix Race Alloy\u003c\/a\u003e, \u003ca href=\"\/products\/e-thirteen-helix-race-carbon-mtb-cranks\"\u003eHelix Race Carbon\u003c\/a\u003e, \u003ca href=\"\/products\/e-thirteen-helix-race-alloy-gr-downhill-cranks\"\u003eHelix Race GR\u003c\/a\u003e, \u003ca href=\"\/products\/e-thirteen-helix-core-alloy-mtb-cranks\"\u003eHelix Core\u003c\/a\u003e. Bolts: \u003ca href=\"\/products\/e-thirteen-chainring-bolts\"\u003echainring bolts\u003c\/a\u003e. Chainline spacers: \u003ca href=\"\/products\/e-thirteen-crank-spares-self-extractors\"\u003ecrank spares\u003c\/a\u003e.\u003c\/p\u003e","brand":"Dirt Works","offers":[{"title":"Helix Race direct mount \/ 28T \/ Black","offer_id":68032857505943,"sku":"ETG-CR4HRA-140","price":140.0,"currency_code":"AUD","in_stock":true},{"title":"Helix Race direct mount \/ 28T \/ Bronze","offer_id":68032857538711,"sku":"ETG-CR4HRA-116","price":140.0,"currency_code":"AUD","in_stock":true},{"title":"Helix Race direct mount \/ 28T \/ Eggplant","offer_id":68032857571479,"sku":"ETG-CR4HRA-108","price":140.0,"currency_code":"AUD","in_stock":true},{"title":"Helix Race direct mount \/ 30T \/ Black","offer_id":68032857604247,"sku":"ETG-CR4HRA-141","price":140.0,"currency_code":"AUD","in_stock":true},{"title":"Helix Race direct mount \/ 30T \/ Bronze","offer_id":68032857637015,"sku":"ETG-CR4HRA-117","price":140.0,"currency_code":"AUD","in_stock":true},{"title":"Helix Race direct mount \/ 30T \/ Eggplant","offer_id":68032857669783,"sku":"ETG-CR4HRA-109","price":140.0,"currency_code":"AUD","in_stock":false},{"title":"Helix Race direct mount \/ 30T \/ Intergalactic","offer_id":68032857702551,"sku":"ETG-CR4HRA-101","price":140.0,"currency_code":"AUD","in_stock":true},{"title":"Helix Race direct mount \/ 30T \/ Silver","offer_id":68032857735319,"sku":"ETG-CR4HRA-154","price":140.0,"currency_code":"AUD","in_stock":true},{"title":"Helix Race direct mount \/ 32T \/ Black","offer_id":68032857768087,"sku":"ETG-CR4HRA-142","price":140.0,"currency_code":"AUD","in_stock":true},{"title":"Helix Race direct mount \/ 32T \/ Bronze","offer_id":68032857800855,"sku":"ETG-CR4HRA-118","price":140.0,"currency_code":"AUD","in_stock":true},{"title":"Helix Race direct mount \/ 32T \/ Silver","offer_id":68032857833623,"sku":"ETG-CR4HRA-155","price":140.0,"currency_code":"AUD","in_stock":true},{"title":"Helix Race direct mount \/ 34T \/ Black","offer_id":68032857866391,"sku":"ETG-CR4HRA-143","price":140.0,"currency_code":"AUD","in_stock":true},{"title":"Helix Race direct mount \/ 34T \/ Bronze","offer_id":68032857899159,"sku":"ETG-CR4HRA-119","price":140.0,"currency_code":"AUD","in_stock":true},{"title":"Helix Race 3-bolt (SRAM) \/ 28T \/ Black","offer_id":68032857931927,"sku":"ETG-CR4HRA-144","price":140.0,"currency_code":"AUD","in_stock":true},{"title":"Helix Race 3-bolt (SRAM) \/ 30T \/ Black","offer_id":68032857964695,"sku":"ETG-CR4HRA-145","price":140.0,"currency_code":"AUD","in_stock":true},{"title":"Helix Race 3-bolt (SRAM) \/ 34T \/ Black","offer_id":68032857997463,"sku":"ETG-CR4HRA-147","price":140.0,"currency_code":"AUD","in_stock":true},{"title":"Helix Plus direct mount \/ 30T \/ Black","offer_id":68032858030231,"sku":"ETG-CR4HPA-100","price":110.0,"currency_code":"AUD","in_stock":true},{"title":"Helix Plus direct mount \/ 32T \/ Black","offer_id":68032858062999,"sku":"ETG-CR4HPA-101","price":110.0,"currency_code":"AUD","in_stock":true},{"title":"Helix Plus direct mount \/ 34T \/ Black","offer_id":68032858095767,"sku":"ETG-CR4HPA-102","price":110.0,"currency_code":"AUD","in_stock":true},{"title":"Helix steel direct mount \/ 30T \/ Black","offer_id":68032858128535,"sku":"ETG-CR4HSA-100","price":50.0,"currency_code":"AUD","in_stock":true},{"title":"Helix Race 8-bolt \/ 30T \/ Black","offer_id":68032858161303,"sku":"ETG-CR5HAA-111","price":140.0,"currency_code":"AUD","in_stock":true},{"title":"Helix Race 8-bolt \/ 32T \/ Black","offer_id":68032858194071,"sku":"ETG-CR5HAA-106","price":140.0,"currency_code":"AUD","in_stock":true},{"title":"Helix Race 8-bolt \/ 32T \/ Sterling Silver","offer_id":68032858226839,"sku":"ETG-CR5HAA-108","price":140.0,"currency_code":"AUD","in_stock":true},{"title":"Helix Race 8-bolt \/ 34T \/ Black","offer_id":68032858259607,"sku":"ETG-CR5HAA-107","price":140.0,"currency_code":"AUD","in_stock":true},{"title":"Helix Race 8-bolt \/ 34T \/ Sterling Silver","offer_id":68032858292375,"sku":"ETG-CR5HAA-109","price":140.0,"currency_code":"AUD","in_stock":true},{"title":"Helix Race 8-bolt \/ 36T \/ Black","offer_id":68032858325143,"sku":"ETG-CR5HAA-112","price":140.0,"currency_code":"AUD","in_stock":false},{"title":"Helix Race GR direct mount \/ 34T \/ Black","offer_id":68032858357911,"sku":"ETG-CR5HAA-102","price":140.0,"currency_code":"AUD","in_stock":true},{"title":"Helix Race GR direct mount \/ 34T \/ Sterling Silver","offer_id":68032858390679,"sku":"ETG-CR5HAA-104","price":140.0,"currency_code":"AUD","in_stock":true},{"title":"Helix Race GR direct mount \/ 36T \/ Black","offer_id":68032858423447,"sku":"ETG-CR5HAA-103","price":140.0,"currency_code":"AUD","in_stock":true},{"title":"Helix Race GR direct mount \/ 36T \/ Sterling Silver","offer_id":68032858456215,"sku":"ETG-CR5HAA-105","price":140.0,"currency_code":"AUD","in_stock":true},{"title":"Helix Race 107 BCD (gravel) \/ 38T \/ Black","offer_id":68032858488983,"sku":null,"price":150.0,"currency_code":"AUD","in_stock":false},{"title":"Helix Race 107 BCD (gravel) \/ 38T \/ Grey","offer_id":68032858521751,"sku":null,"price":150.0,"currency_code":"AUD","in_stock":false},{"title":"Helix Race 107 BCD (gravel) \/ 40T \/ Black","offer_id":68032858554519,"sku":"ETG-CR4HRA-149","price":150.0,"currency_code":"AUD","in_stock":true},{"title":"Helix Race 107 BCD (gravel) \/ 40T \/ Grey","offer_id":68032858587287,"sku":null,"price":150.0,"currency_code":"AUD","in_stock":false},{"title":"Helix Race 107 BCD (gravel) \/ 42T \/ Black","offer_id":68032858620055,"sku":null,"price":150.0,"currency_code":"AUD","in_stock":false},{"title":"Helix Race 107 BCD (gravel) \/ 42T \/ Grey","offer_id":68032858652823,"sku":"ETG-CR4HRA-153","price":150.0,"currency_code":"AUD","in_stock":true},{"title":"XCX Ultralight direct mount Boost \/ 40T \/ Black","offer_id":68032858685591,"sku":"ETG-CRDMBST40UL","price":160.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0416\/0677\/4935\/files\/CR4HRA-143.jpg?v=1792223940","url":"https:\/\/amsports.com.au\/products\/e-thirteen-helix-chainrings","provider":"All  Mountain Sports","version":"1.0","type":"link"}