{"title":"E-MTB Chainrings","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eHeavier bikes hit rocks harder. Motor torque demands more from your drivetrain. Our E-MTB chainrings are engineered for this reality. M4 narrow-wide profile for chain retention and wear life. Direct mount for Bosch®, Shimano®, TQ®, Fazua®, Avinox®, Specialized®. Turbocharger adds bashguard protection where ISCG mounts aren't an option.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eMotor-assisted torque and added bike weight put unique demands on drivetrain components. We designed every e*spec chainring from the ground up to handle it, with reinforced tooth profiles and integrated dust covers that keep your system running clean.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/products\/helix-race-e-spec-chainring\" title=\"Best E-MTB Chainring\"\u003eHelix Race e*spec\u003c\/a\u003e is forged and CNC-machined from 7075 aluminum for lightweight strength and a refined aesthetic. Available for Bosch® CX Gen4\/Gen5, Bosch® SX, Shimano® EP8, TQ® HPR50, Fazua® Ride 60, Avinox®, and Specialized® SL 1.1, 2.1, and 2.2 motors. Multiple offset options let you dial in the perfect chainline.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/products\/turbocharger-race-104bcd-e-spec-spider-bashguard-and-chainring\" title=\"Bashguard for E-MTB\"\u003eTurbocharger Race\u003c\/a\u003e solves a problem most E-MTB riders know too well: compact motor systems leave your chainring exposed with no ISCG mounts for a traditional bashguard. The Turbocharger integrates a 104 BCD spider, composite bashguard, and Helix chainring into one system. Available for TQ® HPR50, Fazua® Ride 60, Bosch® SX, and Avinox®. Add the upper slider for complete chain retention.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/products\/helix-core-e-spec-chainring\" title=\"Best steel EMTB Chainring\"\u003eHelix Core e*spec \u003c\/a\u003edelivers cold-formed steel durability at a price that makes regular replacement painless.\u003c\/p\u003e\n\u003cp\u003eEvery e*spec ring is cross-compatible with Shimano®, SRAM®, and TRP® 11\/12-speed drivetrains including T-Type™.\u003c\/p\u003e","products":[{"product_id":"copy-of-e-spec-direct-mount-chainring-aluminum","title":"e*spec Direct Mount Chainring","description":"\u003cp\u003eUpgrade your e-bike drivetrain with our e*spec Direct Mount Chainrings.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\" class=\"zfr3Q\" dir=\"ltr\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eOur M3 narrow-wide tooth profile reduces weight without compromising on chain-retention.\u003c\/span\u003e While the steel version is a direct OEM replacement, the premium aluminum versions provide cleaner aesthetics, lighter weight, and long-lasting performance perfect for when you're ready to upgrade from your original ring.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\" class=\"zfr3Q\" dir=\"ltr\"\u003e\u003cmeta charset=\"utf-8\"\u003eConquer your e-bike trails at a great price—power up your drivetrain now!\u003c\/p\u003e\n\u003cp style=\"text-align: left;\" class=\"zfr3Q\" dir=\"ltr\"\u003e\u003cem\u003eDon't see the size or configuration you need? Check out our updated Helix Core rings here: \u003ca href=\"https:\/\/www.ethirteen.com\/products\/helix-core-e-spec-chainring\"\u003eHelix Core e*spec Chainrings\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e","brand":"e*thirteen","offers":[{"title":"Bosch® CX Gen4 \/ Aluminum \/ 34t","offer_id":44989083418941,"sku":"CR4UPA-100","price":29.98,"currency_code":"GBP","in_stock":false},{"title":"Bosch® CX Gen4 \/ Aluminum \/ 36T","offer_id":44989083451709,"sku":"CR4UPA-101","price":29.98,"currency_code":"GBP","in_stock":false},{"title":"Bosch® CX Gen4 \/ Aluminum \/ 38T","offer_id":44989083484477,"sku":"CR4UPA-102","price":29.98,"currency_code":"GBP","in_stock":false},{"title":"Bosch® CX Gen4 \/ Steel (Bosch® only) \/ 36T","offer_id":55336929165694,"sku":"CR4USA-101","price":29.95,"currency_code":"GBP","in_stock":false},{"title":"Bosch® CX Gen4 \/ Steel (Bosch® only) \/ 38T","offer_id":55336929198462,"sku":"CR4USA-102","price":29.95,"currency_code":"GBP","in_stock":false},{"title":"Fazua Ride 50® \/ Aluminum \/ 32T","offer_id":55336929231230,"sku":"CR4EPA-101","price":27.98,"currency_code":"GBP","in_stock":true},{"title":"Fazua Ride 50® \/ Aluminum \/ 34T","offer_id":55336929263998,"sku":"CR4EPA-100","price":27.98,"currency_code":"GBP","in_stock":true},{"title":"Brose® \/ Aluminum \/ 34T","offer_id":55336929526142,"sku":"CR4UPA-103","price":29.48,"currency_code":"GBP","in_stock":false},{"title":"Brose® \/ Aluminum \/ 36T","offer_id":55336929558910,"sku":"CR4UPA-104","price":29.48,"currency_code":"GBP","in_stock":true},{"title":"Brose® \/ Aluminum \/ 38T","offer_id":55336929591678,"sku":"CR4UPA-105","price":55.95,"currency_code":"GBP","in_stock":false},{"title":"Shimano® EP8\/E8000\/E7000 \/ Aluminum \/ 32T","offer_id":55336929755518,"sku":"CR4UPA-109","price":58.95,"currency_code":"GBP","in_stock":true},{"title":"Shimano® EP8\/E8000\/E7000 \/ Aluminum \/ 34T","offer_id":55336929788286,"sku":"CR4UPA-106","price":29.48,"currency_code":"GBP","in_stock":false},{"title":"Shimano® EP8\/E8000\/E7000 \/ Aluminum \/ 36T","offer_id":55336929821054,"sku":"CR4UPA-108","price":29.48,"currency_code":"GBP","in_stock":false},{"title":"Shimano® EP8\/E8000\/E7000 \/ Aluminum \/ 38T","offer_id":55336929853822,"sku":"CR4UPA-107","price":29.48,"currency_code":"GBP","in_stock":false},{"title":"TQ®\/CL55 \/ Aluminum \/ 32T","offer_id":55336930017662,"sku":"CR4EPA-102","price":29.98,"currency_code":"GBP","in_stock":false},{"title":"TQ®\/CL55 \/ Aluminum \/ 34T","offer_id":55336930050430,"sku":"CR4EPA-103","price":29.95,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5971\/7693\/files\/CR4UPA-101_1_-web_1_30e85feb-64ee-4007-a6a8-9b71f469e46d.jpg?v=1742418675"},{"product_id":"e-spec-bcd104-spider","title":"e*spec 104 BCD Spider","description":"\u003ch4\u003eDirect power transfer. 104 BCD flexibility.\u003c\/h4\u003e\n\u003cp\u003eUpgrade your e-bike with e*thirteen's 104 BCD Spider, designed for seamless compatibility and efficiency. This spider enables the use of any 4-bolt standard chainring, offering a practical solution for cost-effective and eco-friendly chainring replacements. Made from durable 6-series alloy, it balances lightweight strength with the flexibility to pair with both long-lasting steel and lightweight alloy chainrings. Compatible with Bosch Gen4, Fazua Ride 60, Shimano EP8\/EP6, and TQ HPR 50\/60 systems, it's the ideal choice for enhancing your e-bike's performance.\u003c\/p\u003e\n\u003cp\u003eIncludes T25 bolts for installation.\u003c\/p\u003e","brand":"e*thirteen","offers":[{"title":"Bosch Gen4","offer_id":47469539164477,"sku":"CR5EPA-103","price":33.95,"currency_code":"GBP","in_stock":false},{"title":"TQ HPR 50\/60 (CL 55)","offer_id":47469539197245,"sku":"CR5EPA-100","price":33.95,"currency_code":"GBP","in_stock":true},{"title":"Fazua Ride 60","offer_id":47469539230013,"sku":"CR5EPA-101","price":33.95,"currency_code":"GBP","in_stock":true},{"title":"Shimano EP8\/EP6","offer_id":47469539262781,"sku":"CR5EPA-102","price":33.95,"currency_code":"GBP","in_stock":true},{"title":"TQ HPR 50\/60 (CL 52)","offer_id":55897116213630,"sku":"CR5HAA-110","price":33.95,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5971\/7693\/files\/3_3d101100-23f3-460b-9767-89db06290a5f.png?v=1737724220"},{"product_id":"helix-e-spec-104bcd-7075-al-chainring","title":"Helix e*spec 104 BCD Aluminum Chainring","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eA lightweight and affordable e-bike spider compatible 104BCD chainring, with excellent chain retention and wear-life.    \u003c\/p\u003e\n\u003cp\u003eThe Helix e*spec 104BCD chainring features a lightweight, stiff, and durable 7075-AL construction and e*thirteen's latest M4 narrow-wide tooth profile for excellent chain retention and wear life. Helix performance and an affordable price make this the perfect match for any 104BCD spider or the e*thirteen Turbocharger spider-bashguard.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eM4 narrow-wide profile delivers enhanced chain retention and cross-compatibility with Shimano, Sram, and TRP 11\/12s drivetrains, including T-Type\u003c\/li\u003e\n\u003cli\u003eForged-CNC 7075 AL for ultralight weight, with high strength, stiffness, and wear-life \u003c\/li\u003e\n\u003cli\u003e32\/34T sizes complement e*thirteen wide range cassettes  \u003c\/li\u003e\n\u003cli\u003eCompatible with 104BCD spider-based e-bike chainrings and e*thirteen Turbocharger Spider-Bashguard assemblies\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"e*thirteen","offers":[{"title":"32T","offer_id":54893892567422,"sku":"CR5HAA-100","price":29.95,"currency_code":"GBP","in_stock":true},{"title":"34T","offer_id":54893892534654,"sku":"CR5HAA-101","price":29.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5971\/7693\/files\/CR5HAA-101_S_d1bb9bea-32eb-409d-8f69-30d05eb8c1e3.jpg?v=1736154091"},{"product_id":"helix-core-e-spec-chainring","title":"Helix Core e*spec Steel E-MTB Chainring","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eHelix Core e*spec Direct Mount Chainrings feature our narrow-wide tooth profile, for reliable chain retention and an extra long wear life. Helix Core e*spec rings are cold-formed from steel and then heat-treated to provide excellent durability and toughness, all at a price that's easy on your wallet.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLong-lasting and economical steel construction\u003c\/li\u003e\n\u003cli\u003eM4 narrow-wide tooth profile (our latest M5 profile on Avinox® rings) for excellent chain retention and Shimano®\/Sram® drivetrain compatibility\u003c\/li\u003e\n\u003cli\u003eCompatible with Sram\u003cmeta charset=\"utf-8\"\u003e® T-type\u003cmeta charset=\"utf-8\"\u003e® chains\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"e*thirteen","offers":[{"title":"Avinox® \/ 34T","offer_id":57668265673086,"sku":"CR5HSA-102","price":35.95,"currency_code":"GBP","in_stock":false},{"title":"TQ® \/ 32T","offer_id":55336917959038,"sku":"CR5HSA-100","price":29.95,"currency_code":"GBP","in_stock":true},{"title":"Bosch® \/ 34T","offer_id":55336915763582,"sku":"CR5ESA-100","price":29.95,"currency_code":"GBP","in_stock":false},{"title":"Bosch® \/ 36T","offer_id":55336915796350,"sku":"CR5ESA-101","price":29.95,"currency_code":"GBP","in_stock":false},{"title":"Shimano EP8® \/ 32T","offer_id":55336917991806,"sku":"CR5HSA-101","price":29.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5971\/7693\/files\/CR5HSA-102_1.jpg?v=1783663452"},{"product_id":"helix-race-e-spec-chainring","title":"Helix Race e*spec Chainring","description":"\u003ch4 class=\"p1\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(201, 37, 57);\" data-darkreader-inline-color=\"\"\u003eSave 35% on Bosch\u003cmeta charset=\"utf-8\"\u003e® 13mm Eggplant and Naranja rings while supplies last!\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eHelix R e*spec Chainrings merge cutting-edge design and performance. Designed as an upgrade for the most popular e-bike motor systems, this 1-piece direct mount chainring is forged and machined from 7075 AL. Boasting lightweight, durability, impressive stiffness, and a standout technical aesthetic, they're available for Bosch CX Gen4\/Gen5, Bosch SX, TQ HPR 50\/60, Fazua Ride 60, Shimano EP8\/EP6, Avinox, as well as Specialized SL1.1 and 2.1\/2.2 motors. \u003c\/p\u003e\n\u003cp\u003eWith a long-wearing tooth profile and refined aesthetic, the integrated look, when paired with Helix Race Alloy e*spec cranks, is the ultimate upgrade to your ebike.\u003c\/p\u003e\n\u003cp\u003eThe new M4 narrow-wide profile delivers enhanced chain retention and cross-compatibility with Shimano®, Sram®, and TRP® 11\/12s drivetrain, including SRAM® T-Type®. It's available in a variety of Specialized® colors for coordination with e*thirteen cranks, cassettes, stems, tubeless valves, and more.\u003c\/p\u003e\n\u003cp\u003eBosch rings are offered in two offset options: \u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e13mm for 53mm chainline on CX Gen4\/SX and 55mm chainline on CX Gen5 bikes\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e15mm offset for 55mm chainline on CX Gen4\/SX, and 57mm chainline on CX Gen5 \u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"e*thirteen","offers":[{"title":"Bosch - 13mm Offset \/ Sterling Silver \/ 32T","offer_id":55337071411582,"sku":"CR5HRA-127","price":75.95,"currency_code":"GBP","in_stock":true},{"title":"Bosch - 13mm Offset \/ Sterling Silver \/ 34T","offer_id":55337071444350,"sku":"CR5HRA-128","price":75.95,"currency_code":"GBP","in_stock":true},{"title":"Bosch - 13mm Offset \/ Black \/ 32T","offer_id":55337071477118,"sku":"CR5ERA-100","price":75.95,"currency_code":"GBP","in_stock":true},{"title":"Bosch - 13mm Offset \/ Black \/ 34T","offer_id":55337071509886,"sku":"CR5ERA-101","price":75.95,"currency_code":"GBP","in_stock":true},{"title":"Bosch - 13mm Offset \/ Black \/ 36T (Bosch 13mm and Avinox only)","offer_id":55337071542654,"sku":"CR5HRA-126","price":75.95,"currency_code":"GBP","in_stock":true},{"title":"Bosch - 13mm Offset \/ Bronze \/ 32T","offer_id":55337071575422,"sku":"CR5ERA-102","price":75.95,"currency_code":"GBP","in_stock":true},{"title":"Bosch - 13mm Offset \/ Bronze \/ 34T","offer_id":55337071608190,"sku":"CR5ERA-103","price":75.95,"currency_code":"GBP","in_stock":true},{"title":"Bosch - 13mm Offset \/ Eggplant Purple \/ 32T","offer_id":55337071640958,"sku":"CR5ERA-104","price":39.99,"currency_code":"GBP","in_stock":true},{"title":"Bosch - 13mm Offset \/ Eggplant Purple \/ 34T","offer_id":55337071673726,"sku":"CR5ERA-105","price":39.99,"currency_code":"GBP","in_stock":true},{"title":"Bosch - 13mm Offset \/ Naranja Orange \/ 32T","offer_id":55337071706494,"sku":"CR5ERA-106","price":39.99,"currency_code":"GBP","in_stock":true},{"title":"Bosch - 13mm Offset \/ Naranja Orange \/ 34T","offer_id":55337071739262,"sku":"CR5ERA-107","price":39.99,"currency_code":"GBP","in_stock":false},{"title":"Bosch - 15mm Offset \/ Sterling Silver \/ 32T","offer_id":55337071772030,"sku":"CR5HRA-102","price":75.95,"currency_code":"GBP","in_stock":true},{"title":"Bosch - 15mm Offset \/ Sterling Silver \/ 34T","offer_id":55337071804798,"sku":"CR5HRA-103","price":75.95,"currency_code":"GBP","in_stock":true},{"title":"Bosch - 15mm Offset \/ Black \/ 32T","offer_id":55337071837566,"sku":"CR5HRA-100","price":75.95,"currency_code":"GBP","in_stock":true},{"title":"Bosch - 15mm Offset \/ Black \/ 34T","offer_id":55337071870334,"sku":"CR5HRA-101","price":75.95,"currency_code":"GBP","in_stock":false},{"title":"Bosch - 15mm Offset \/ Bronze \/ 32T","offer_id":55337071903102,"sku":"CR5HRA-116","price":75.95,"currency_code":"GBP","in_stock":true},{"title":"Bosch - 15mm Offset \/ Bronze \/ 34T","offer_id":55337071935870,"sku":"CR5HRA-117","price":75.95,"currency_code":"GBP","in_stock":true},{"title":"Shimano EP8\/EP6 \/ Sterling Silver \/ 32T","offer_id":55337071968638,"sku":"CR5HRA-114","price":75.95,"currency_code":"GBP","in_stock":true},{"title":"Shimano EP8\/EP6 \/ Sterling Silver \/ 34T","offer_id":55337072001406,"sku":"CR5HRA-115","price":75.95,"currency_code":"GBP","in_stock":true},{"title":"Shimano EP8\/EP6 \/ Black \/ 32T","offer_id":55337072034174,"sku":"CR5HRA-112","price":75.95,"currency_code":"GBP","in_stock":false},{"title":"Shimano EP8\/EP6 \/ Black \/ 34T","offer_id":55337072066942,"sku":"CR5HRA-113","price":75.95,"currency_code":"GBP","in_stock":false},{"title":"Specialized Turbo Levo 2.1\/2.2 \/ Sterling Silver \/ 34T","offer_id":55337072099710,"sku":"CR5HRA-125","price":89.95,"currency_code":"GBP","in_stock":true},{"title":"Specialized Turbo Levo 2.1\/2.2 \/ Black \/ 34T","offer_id":55337072132478,"sku":"CR5HRA-124","price":89.95,"currency_code":"GBP","in_stock":true},{"title":"Specialized Kenevo\/ Levo SL 1.1 \/ Sterling Silver \/ 32T","offer_id":55337072165246,"sku":"CR5HRA-123","price":84.95,"currency_code":"GBP","in_stock":true},{"title":"Specialized Kenevo\/ Levo SL 1.1 \/ Black \/ 32T","offer_id":55337072198014,"sku":"CR5HRA-122","price":84.95,"currency_code":"GBP","in_stock":true},{"title":"TQ HPR 50\/60 \/ Sterling Silver \/ 32T","offer_id":55337072230782,"sku":"CR5HRA-110","price":79.95,"currency_code":"GBP","in_stock":true},{"title":"TQ HPR 50\/60 \/ Sterling Silver \/ 34T","offer_id":55337072263550,"sku":"CR5HRA-111","price":79.95,"currency_code":"GBP","in_stock":true},{"title":"TQ HPR 50\/60 \/ Black \/ 32T","offer_id":55337072296318,"sku":"CR5HRA-108","price":79.95,"currency_code":"GBP","in_stock":true},{"title":"TQ HPR 50\/60 \/ Black \/ 34T","offer_id":55337072329086,"sku":"CR5HRA-109","price":79.95,"currency_code":"GBP","in_stock":true},{"title":"Fazua Ride 60 \/ Sterling Silver \/ 32T","offer_id":55337072361854,"sku":"CR5HRA-106","price":75.95,"currency_code":"GBP","in_stock":true},{"title":"Fazua Ride 60 \/ Sterling Silver \/ 34T","offer_id":55337072394622,"sku":"CR5HRA-107","price":75.95,"currency_code":"GBP","in_stock":true},{"title":"Fazua Ride 60 \/ Black \/ 32T","offer_id":55337072427390,"sku":"CR5HRA-104","price":75.95,"currency_code":"GBP","in_stock":true},{"title":"Fazua Ride 60 \/ Black \/ 34T","offer_id":55337072460158,"sku":"CR5HRA-105","price":75.95,"currency_code":"GBP","in_stock":false},{"title":"Avinox \/ Sterling Silver \/ 34T","offer_id":55605587280254,"sku":"CR5ERA-116","price":84.95,"currency_code":"GBP","in_stock":true},{"title":"Avinox \/ Sterling Silver \/ 36T (Bosch 13mm and Avinox only)","offer_id":55605587313022,"sku":"CR5ERA-117","price":84.95,"currency_code":"GBP","in_stock":true},{"title":"Avinox \/ Black \/ 34T","offer_id":55605587345790,"sku":"CR5ERA-114","price":84.95,"currency_code":"GBP","in_stock":true},{"title":"Avinox \/ Black \/ 36T (Bosch 13mm and Avinox only)","offer_id":55605587378558,"sku":"CR5ERA-115","price":84.95,"currency_code":"GBP","in_stock":true},{"title":"Avinox \/ Bronze \/ 34T","offer_id":55605587411326,"sku":"CR5ERA-118","price":84.95,"currency_code":"GBP","in_stock":true},{"title":"Avinox \/ Bronze \/ 36T (Bosch 13mm and Avinox only)","offer_id":55605587444094,"sku":"CR5ERA-119","price":84.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5971\/7693\/files\/CR5ERA-103-2.jpg?v=1742423727"},{"product_id":"turbocharger-race-104bcd-e-spec-spider-bashguard-and-chainring","title":"Turbocharger Race 104BCD e*spec Spider, Bashguard and Chainring","description":"\u003cp\u003eThe Turbocharger Race e*spec Spider, Bashguard and 104 BCD Aluminum Chainring provide unprecedented drivetrain protection for compact e-bike motor systems, defending vulnerable motor and drivetrain parts from impacts and damage.\u003c\/p\u003e\n\u003cp\u003eTQ® HPR50\/60, Fazua® Ride 60, Bosch® SX, and DJI® Avinox motor systems leave the chainring and chain exposed to impacts on bikes, which are inevitably heavier than their non-e-brethren, yet lack standard ISCG mounts. e*thirteen’s e*spec Turbocharger integrates a rugged, lightweight, composite Bashguard with a 104 BCD Spider and Helix 104 BCD Chainring. Paired with the sleek Turbocharger Upper Slider, supreme chain retention comes standard.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIncludes 104 BCD Spider, Bashguard, and AL-7075 Chainring assembly\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e32T and 34T Bashguard\/Chainring size options (Avinox 34T only)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompact, integrated aesthetic with TQ HPR 50\/60, Fazua Ride 60, Bosch SX, and Avinox systems. \u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBosch SX model is also compatible with Bosch CX Gen 4 \u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompatible with 104 BCD alloy or steel chainrings from any brand for simple and affordable chainring service with less waste\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTurbocharger-compatible Upper Sliders are available separately for e*thirteen e*spec Chainguides\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eM4 narrow-wide tooth profile for superior chain retention, long wear life, and compatibility with Shimano\u003cmeta charset=\"utf-8\"\u003e®, TRP\u003cmeta charset=\"utf-8\"\u003e®, and SRAM\u003cmeta charset=\"utf-8\"\u003e® 11\/12-speed drivetrains (including T-type)\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e\u003cb\u003eNote:\u003c\/b\u003e \u003cstrong\u003eThe Turbocharger is guaranteed compatible only with e*thirteen cranks. For non-e*thirteen cranks, \u003ca rel=\"noopener\" href=\"https:\/\/support.ethirteen.com\/hc\/en-us\/articles\/40141617591835-Turbocharger-Crank-Compatibility-Listings\" target=\"_blank\"\u003eplease check compatibility information here BEFORE ordering\u003c\/a\u003e. If your crank isn’t listed and you encounter issues, we can provide alternative solutions - just reach out to us via our support page.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"e*thirteen","offers":[{"title":"Bosch SX \/ CX Gen4 - 15.5mm \/ 32T","offer_id":55730544312702,"sku":"CR5TRA-100","price":94.95,"currency_code":"GBP","in_stock":true},{"title":"Bosch SX \/ CX Gen4 - 15.5mm \/ 34T","offer_id":55730544345470,"sku":"CR5TRA-103","price":94.95,"currency_code":"GBP","in_stock":true},{"title":"Fazua Ride 60 - 18mm \/ 32T","offer_id":55730544378238,"sku":"CR5TRA-101","price":94.95,"currency_code":"GBP","in_stock":true},{"title":"Fazua Ride 60 - 18mm \/ 34T","offer_id":55730544411006,"sku":"CR5TRA-104","price":94.95,"currency_code":"GBP","in_stock":true},{"title":"TQ HPR 50\/60 - 12mm \/ 32T","offer_id":55730544443774,"sku":"CR5TRA-102","price":94.95,"currency_code":"GBP","in_stock":true},{"title":"TQ HPR 50\/60 - 12mm \/ 34T","offer_id":55730544476542,"sku":"CR5TRA-105","price":94.95,"currency_code":"GBP","in_stock":true},{"title":"Avinox - 8mm \/ 34T","offer_id":55730544509310,"sku":"CR5TRA-121","price":94.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5971\/7693\/files\/CR5TRA-100_S1.jpg?v=1749784820"},{"product_id":"helix-race-carbon-chainring-bolt-kit","title":"Chainring Bolt Kits","description":"\u003cp dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eHelix Race Carbon Chainring Bolt kit \u003c\/strong\u003e- \u003c\/span\u003e\u003cspan\u003eCompatible with Helix Race Carbon Cranks and Helix Race 8-bolt Chainrings. Unique 4-bolt system reduces weight and complexity. *While the unique design of e*thirteen’s 8-Bolt chainrings requires only 4 bolts, if you are using 8-Bolt standard rings from other brands, all 8 bolts must be used.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eTurbocharger Race e*spec Bolt Kit\u003c\/strong\u003e\u003cspan\u003e\u003cstrong\u003e \u003c\/strong\u003e- Replacement nuts, bolts and crank tab spacers for mounting e*thirteen or 3rd party 104 BCD Chainrings to Turbocharger Spider and Bashguard\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e \u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eNuts and Bolts Kit for 104 BCD and 107 BCD Spiders - \u003c\/strong\u003eReplacement fasteners for e*thirteen 104 BCD and 107 BCD Direct Mount Chainring Spiders. Compatible with Helix e*spec 104 BCD Chainrings, Helix Race 107 BCD Chainrings, and all 3mm thickness chainrings.\u003c\/span\u003e\u003c\/p\u003e","brand":"e*thirteen","offers":[{"title":"Helix Race Carbon Chainring Bolt Kit","offer_id":56908757664126,"sku":"CSS50-109","price":9.5,"currency_code":"GBP","in_stock":true},{"title":"Turbocharger Race e*spec Bolt Kit","offer_id":56908757696894,"sku":"CRS50-102","price":13.95,"currency_code":"GBP","in_stock":false},{"title":"Nuts and Bolts Kit for 104 BCD and 107 BCD Spiders","offer_id":56908757729662,"sku":"CRS50-100","price":15.95,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5971\/7693\/files\/CSS50-109.jpg?v=1758162303"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5971\/7693\/collections\/CR5ERA-101-group2_3e206fd8-10c0-4443-a134-c35993a85cd9.jpg?v=1783727664","url":"https:\/\/ethirteen.uk\/collections\/emtb-chainrings.oembed","provider":"e*thirteen UK","version":"1.0","type":"link"}