ethirteen Race e*spec Chainring 34T Dji Avinox

Helix Race e*spec | Chainring | 34T | Avinox Direct Mount | 8mm Offset | Shimano/SRAM 11/12s Chain Compatible | Black

The Helix R espec Chainring – Avinox (34T, Black)* is a premium direct‑mount upgrade engineered for riders who want maximum performance, durability, and drivetrain precision from their Avinox‑powered e‑MTB.

Forged and CNC‑machined from 7075‑T6 aluminum, this one‑piece chainring delivers exceptional stiffness and strength while keeping weight low. Designed specifically for Avinox motor systems, it features an 8mm offset to achieve an ideal 55mm chainline, ensuring smooth power transfer, clean shifting, and optimal chain retention.

The updated M4 narrow‑wide tooth profile provides improved chain security and long wear life, while offering full cross‑compatibility with Shimano®, SRAM®, and TRP® 11/12‑speed drivetrains, including SRAM T‑Type. The refined technical aesthetic pairs perfectly with Helix Race Alloy e*spec cranks for a cohesive, high‑end look.

Finished in Black, this chainring is the ideal blend of performance, durability, and style for Avinox riders.

Key Features

• Designed exclusively for Avinox motor systems


• 34T size


• 8mm offset for a perfect 55mm chainline


• Forged + CNC‑machined 7075‑T6 aluminum


• New M4 narrow‑wide tooth profile for enhanced chain retention


• Compatible with Shimano®, SRAM®, TRP® 11/12‑speed, including SRAM T‑Type


• Long‑wearing tooth shaping for extended lifespan


• Sleek Black finish


• Premium integrated look when paired with Helix Race Alloy e*spec cranks

Specifications

• Motor System: Avinox


• Size: 34T


• Offset: 8mm


• Chainline: 55mm


• Material: 7075‑T6 Forged + CNC Aluminum


• Color: Black


• Weight: 102g


• Drivetrain Compatibility: Shimano®, SRAM®, TRP® 11/12‑speed, SRAM T‑Type