[{"id":139176771687,"handle":"all-chainrings","title":"All - Chainrings","updated_at":"2025-12-08T04:06:39-08:00","body_html":"","published_at":"2019-08-07T20:23:19-07:00","sort_order":"alpha-asc","template_suffix":"","disjunctive":false,"rules":[{"column":"tag","relation":"equals","condition":"chainring"}],"published_scope":"global"},{"id":686518468978,"handle":"all-products","title":"All Products","updated_at":"2025-12-08T14:57:12-08:00","body_html":"","published_at":"2025-12-04T17:17:42-08:00","sort_order":"best-selling","template_suffix":"","disjunctive":false,"rules":[{"column":"variant_price","relation":"greater_than","condition":"0"},{"column":"variant_inventory","relation":"greater_than","condition":"0"}],"published_scope":"global"},{"id":686518567282,"handle":"best-sellers","title":"Best Sellers","updated_at":"2025-12-08T14:57:12-08:00","body_html":"","published_at":"2025-12-04T17:22:56-08:00","sort_order":"best-selling","template_suffix":"","disjunctive":false,"rules":[{"column":"variant_inventory","relation":"greater_than","condition":"0"},{"column":"tag","relation":"not_equals","condition":"service parts"}],"published_scope":"global"},{"id":621466976626,"handle":"e-spec-chainguides","title":"E-MTB Chainguides","updated_at":"2025-12-08T13:46:39-08:00","body_html":"\u003cdiv\u003e\n\u003cdiv class=\"standard-markdown grid-cols-1 grid gap-4 [\u0026amp;_\u0026gt;_*]:min-w-0\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eChain retention designed specifically for electric mountain bikes. E-MTB drivetrains face unique challenges: heavier bikes, higher torque, and compact motors that leave chainrings exposed to impacts. Our e*spec chainguides solve for all of it. The Turbocharger integrates a bashguard, spider, and chainring into one protected package for compact motors like TQ®, Fazua®, Bosch® SX, and Avinox®. Core espec and e*spec Plus guides deliver durable ISCG-mount retention for Bosch® CX and Shimano® EP8 systems. Adjustable upper sliders, wide chainline compatibility, and easy setup across the line.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","published_at":"2025-04-15T19:55:04-07:00","sort_order":"manual","template_suffix":"emtb-chainguides-collect","disjunctive":false,"rules":[{"column":"tag","relation":"equals","condition":"chainguide"},{"column":"tag","relation":"equals","condition":"e*spec"},{"column":"tag","relation":"equals","condition":"component"}],"published_scope":"global","image":{"created_at":"2025-04-15T20:52:08-07:00","alt":null,"width":2000,"height":2000,"src":"\/\/www.ethirteen.com\/cdn\/shop\/collections\/CG3VPA-102.jpg?v=1744936303"}},{"id":621466911090,"handle":"e-spec-chainrings","title":"E-MTB Chainrings","updated_at":"2025-12-08T04:06:39-08:00","body_html":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eE-MTB chainrings engineered for the motors that power your ride. Every e*spec chainring features our M4 narrow-wide tooth profile for superior chain retention and cross-compatibility with Shimano®, SRAM®, and TRP® drivetrains including T-type®. From forged 7075 aluminum Helix Race rings to durable steel Helix Core options, there's a chainring for every motor and every budget. Wide compatibility covers Bosch®, TQ®, Fazua®, Shimano® EP8, Avinox®, and Specialized® systems. Need extra protection for compact motors? The Turbocharger integrates a spider, bashguard, and chainring to defend your drivetrain from impacts.\u003c\/p\u003e","published_at":"2025-04-15T19:53:43-07:00","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":"global","image":{"created_at":"2025-04-15T20:51:05-07:00","alt":null,"width":1956,"height":1956,"src":"\/\/www.ethirteen.com\/cdn\/shop\/collections\/CR5ERA-101-group2.jpg?v=1744775465"}}]
The 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.
TQ® HPR50, Fazua® Ride 60, Bosch® SX, and 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.
Includes 104 BCD Spider, Bashguard, and AL-7075 Chainring assembly
32T and 34T Bashguard/Chainring size options (Avinox 34T only)
Compact, integrated aesthetic with TQ HPR50, Fazua Ride 60, Bosch SX, and Avinox systems.
Bosch SX model is also compatible with Bosch CX Gen 4
Compatible with 104 BCD alloy or steel chainrings from any brand for simple and affordable chainring service with less waste
Turbocharger-compatible Upper Sliders are available separately for e*thirteen e*spec Chainguides
M4 narrow-wide tooth profile for superior chain retention, long wear life, and compatibility with Shimano®, TRP®, and SRAM® 11/12-speed drivetrains (including T-type)
Note:The Turbocharger is guaranteed compatible only with e*thirteen cranks. For non-e*thirteen cranks, please check compatibility information here BEFORE ordering. If your crank isn’t listed and you encounter issues, we can provide alternative solutions - just reach out to us via our support page.
Chainline
55mm (All)
Chainring
Aluminum
Color
Sterling Silver 104 BCD Spider / Black Chainring and Bashguard
