e*thirteen spared no expense creating the Helix Race e*spec Chainring. Designed for Bosch Gen 4 e-bikes, this 1-piece direct-mount chainring is forged from 7075 AL for stiffness, strength and the longest wear life. The extensive CNC machining and M3 tooth profile delivers an ultra lightweight upgrade chainring that offers the best cross compatible Shimano/SRAM chain retention and eye-catching technical aesthetics. A custom alloy outer dust cover enhances the integrated style and helps to prevent contamination.

Features:

• Lightweight, stiff, long wearlife, with technical aesthetics and enhanced chain retention
• Fully compatible with Shimano, SRAM, and TRP 11 and 12 speed drivetrains
• Available with 53mm chainline, it supports dropping a chainring size to take full advantage of e*thirteen’s proprietary 9T smallest cog, wide-range cassettes.
• Chainline: 53mm
• Compatibility: Bosch CX Gen4 Motor
• T-Type Chain Compatible
• Integrated Aluminum Dust Cover
• Size: 32T / 34T
• Weight: 32T: 103g, 34T:111g (without rubber dust seal)

Product Code: CR5ERA-10-Blk