[{"id":686518468978,"handle":"all-products","title":"All Products","updated_at":"2025-12-12T04:06:22-08:00","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":"2025-12-12T04:06:22-08:00","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":686708490610,"handle":"crankmas","updated_at":"2025-12-12T12:10:32-08:00","published_at":"2025-12-12T09:14:48-08:00","sort_order":"manual","template_suffix":"deals-collection","published_scope":"web","title":"Crankmas","body_html":"\u003cp\u003eWelcome to Crankmas: December 12–16. \u003cstrong\u003eUse code CRANKMAS\u003c\/strong\u003e for 30% off cranks and more. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis code applies to full-price items listed below, or sale items with less than a 30% discount\u003c\/strong\u003e. Other select drivetrain components and pedals are discounted by up to 65%.\u003c\/p\u003e\n\u003cp\u003eDecember 16th is the order deadline for guaranteed delivery before Christmas.\u003c\/p\u003e"},{"id":621466943858,"handle":"e-spec-cranks","title":"E-MTB Cranks","updated_at":"2025-12-12T04:06:22-08:00","body_html":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003ePurpose-built for the demands of electric mountain bikes. Every e*spec crank is engineered for E-MTB strength and available in shorter lengths for improved pedal clearance on modern low-BB geometries. From the ultralight Helix Race Carbon to the value-driven Helix Core alloy, there's an option for every build and budget. Wide motor compatibility covers Bosch®, Brose®, TQ®, Fazua®, Avinox®, and Specialized® systems, with customizable offsets to dial in your Q-factor and ride feel. Self-extracting crank bolts make service simple. Molded impact boots keep you confident when pedal strikes happen.\u003c\/p\u003e","published_at":"2025-04-15T19:54:25-07:00","sort_order":"manual","template_suffix":"emtb-cranks-collection","disjunctive":false,"rules":[{"column":"tag","relation":"equals","condition":"crank"},{"column":"tag","relation":"equals","condition":"e*spec"},{"column":"tag","relation":"equals","condition":"component"}],"published_scope":"global","image":{"created_at":"2025-04-15T20:52:56-07:00","alt":null,"width":1956,"height":1956,"src":"\/\/www.ethirteen.com\/cdn\/shop\/collections\/CS4EAA-105_06.jpg?v=1744775576"}}]
We brought our World Cup-proven technology to the eBike marketplace. e*spec Plus Alloy Cranks offer a premium drivetrain upgrade for Shimano® EP8 motor systems at an unbeatable value and aesthetic.
Looking for eMTB cranks for other motors? Check out our other offerings HERE.
Shimano EP8 cranks are compatible with EP8, EP800, and E8000/E7000. E8000/7000 require conversion kit CSS30-114
Chainring
e*spec Direct Mount Chainrings
Color
Stealth Black
Compatibility
Shimano EP8TM️ and BoschTM️ CX Gen4 motor systems
Shimano EP8 also compatible with EP800, and E8000/7000 (with adapter)
BroseTM️ S Mag also compatible with Fazua and TQ motors.
NOT compatible with Fazua Ride 60 with ETOR spindle
Features
Slim Q factor, low overall profile and volume.
Included
Crankset, Sticker, User Manual
Note: EP8 Cranks include boots, other models do not have boot options. If you want a crank which comes with boots, check out our Helix Race and Helix Core e*spec cranks
Length
160mm, 165mm, 170mm, 175mm (not all models)
Material
6061 Aluminum
Mount
BoschTM️ CX Gen4, BroseTM️ S Mag or ShimanoTM️ EP8
Spindle
INTERFACE: BoschTM️ CX Gen4, BroseTM️ S Mag or ShimanoTM️ EP8