[{"id":139345789025,"handle":"all-chainrings","title":"All - Chainrings","updated_at":"2026-01-02T13:04:27+01:00","body_html":"","published_at":"2019-08-08T06:43:46+02:00","sort_order":"manual","template_suffix":"","disjunctive":false,"rules":[{"column":"tag","relation":"equals","condition":"chainring"},{"column":"tag","relation":"equals","condition":"after-market"}],"published_scope":"web"},{"id":138617847905,"handle":"all-products","title":"All Products","updated_at":"2026-01-02T13:04:27+01:00","body_html":"","published_at":"2019-07-30T05:30:21+02:00","sort_order":"best-selling","template_suffix":"","disjunctive":false,"rules":[{"column":"variant_price","relation":"greater_than","condition":"0"},{"column":"tag","relation":"equals","condition":"after-market"},{"column":"tag","relation":"equals","condition":"b2c"}],"published_scope":"web"},{"id":587732811976,"handle":"color-line","updated_at":"2026-01-01T13:02:49+01:00","published_at":"2022-12-19T08:21:50+01:00","sort_order":"best-selling","template_suffix":"","published_scope":"web","title":"COLOR LINE","body_html":"\u003cp\u003eIntroducing the vibrant and captivating e*thirteen Color Line! \u003cmeta charset=\"utf-8\"\u003eDiscover our distinctive color options, including Bronze, Eggplant, Naranja, Grey, Black, and Intergalactic, and give your bike a striking visual upgrade.\u003c\/p\u003e","image":{"created_at":"2022-12-13T18:50:29+01:00","alt":null,"width":500,"height":500,"src":"\/\/ethirteen.eu\/cdn\/shop\/collections\/Capture03075.jpg?v=1670955871"}},{"id":152749080673,"handle":"deals","title":"Deals","updated_at":"2026-01-02T13:04:27+01:00","body_html":"\u003cp\u003eScore deals up to \u003cstrong\u003e75% off on select e*thirteen MTB components\u003c\/strong\u003e on sale. Stock is limited. Grab what you need before it's gone\u003c\/p\u003e","published_at":"2019-10-16T22:32:00+02:00","sort_order":"manual","template_suffix":"deals-collection","disjunctive":false,"rules":[{"column":"tag","relation":"equals","condition":"clearance"},{"column":"tag","relation":"equals","condition":"b2c"}],"published_scope":"web"},{"id":162600190049,"handle":"discounts-apply","title":"Discounts Apply","updated_at":"2026-01-02T13:04:27+01:00","body_html":"This collection includes all products on the web store that are not independently on sale. Pull the tag 'discounts apply' from any product that is discounted, to prevent compounding discounts.","published_at":"2020-04-01T19:12:43+02:00","sort_order":"best-selling","template_suffix":"","disjunctive":false,"rules":[{"column":"tag","relation":"equals","condition":"discounts apply"}],"published_scope":"web"},{"id":632633295184,"handle":"e-spec-chainrings","title":"eMTB Chainrings","updated_at":"2025-12-28T13:04:04+01:00","body_html":"","published_at":"2025-06-19T04:09:13+02:00","sort_order":"manual","template_suffix":"emtb-chainrings-collect","disjunctive":false,"rules":[{"column":"tag","relation":"equals","condition":"chainring"},{"column":"tag","relation":"equals","condition":"e*spec"},{"column":"tag","relation":"equals","condition":"component"}],"published_scope":"web","image":{"created_at":"2025-06-19T04:09:14+02:00","alt":null,"width":1956,"height":1956,"src":"\/\/ethirteen.eu\/cdn\/shop\/collections\/CR5ERA-101-group2.jpg?v=1750298955"}},{"id":138545496161,"handle":"service-parts","title":"Service Parts","updated_at":"2026-01-02T13:04:27+01:00","body_html":"","published_at":"2019-07-29T05:28:49+02:00","sort_order":"best-selling","template_suffix":"service-2","disjunctive":false,"rules":[{"column":"tag","relation":"equals","condition":"servicepart"}],"published_scope":"web","image":{"created_at":"2020-06-11T02:55:50+02:00","alt":null,"width":2048,"height":2048,"src":"\/\/ethirteen.eu\/cdn\/shop\/collections\/service-parts.jpg?v=1591836951"}},{"id":139346378849,"handle":"service-parts-chainrings","title":"Service Parts - Chainrings","updated_at":"2026-01-02T13:04:27+01:00","body_html":"","published_at":"2019-08-08T06:48:04+02:00","sort_order":"manual","template_suffix":"","disjunctive":false,"rules":[{"column":"tag","relation":"equals","condition":"servicepart"},{"column":"tag","relation":"equals","condition":"chainring"},{"column":"tag","relation":"equals","condition":"after-market"}],"published_scope":"web"}]
Save 35% on Bosch® 13mm Eggplant and Naranja rings while supplies last!
Helix 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 HPR50, Fazua Ride 60, Shimano EP8, Avinox, as well as Specialized SL1.1 and 2.1/2.2 motors.
With 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 e-bike.
The 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 ofSpecialized® colors for coordination with e*thirteen cranks, cassettes, stems, tubeless valves, and more.
Bosch rings are offered in two offset options:
13mm for 53mm chainline on CX Gen4/SX and 55mm chainline on CX Gen5 bikes
15mm offset for 55mm chainline on CX Gen4/SX, and 57mm chainline on CX Gen5
Chainline
Bosch®: 13mm offset for 53mm chainline on CX Gen4/SX and 55mm chainline on CX Gen5
Bosch®: 15mm offset for 55mm chainline on CX Gen4/SX, and 57mm chainline on CX Gen5
Shimano®: 21.5mm offset for 55mm chainline
Specialized® Kenevo/Levo SL 1.1: -4mm offset for 52mm chainline
Specialized® Turbo Levo 2.1/2.2: 9mm offset for 52mm chainline
TQ® HPR50: 12mm offset for 55mm chainline
Fazua® Ride 60: 18mm offset for 55mm chainline
Avinox: 8mm offset for 55mm chainline
Lightweight, stiff, long wearlife, with technical aesthetics and enhanced chain retention. Cross-compatibility with Shimano®, Sram®, and TRP® 11/12s drivetrains.
Included
Bosch® rings only: Integrated Aluminum Dust Cover (rubber seal is specific to Helix Race cranks and not included)
