Helix Race e*spec Chainrings merge cutting-edge design and performance. Designed for Bosch equipped e-bikes, this 1pc direct mount chainring is forged from 7075 AL for lightweight durability, impressive stiffness, and a standout technical aesthetic. Its custom metal dust cover enhances style and minimizes seal and lockring contamination.
The new M4 narrow-wide profile delivers enhanced chain retention and cross-compatibility with Shimano, Sram, and TRP 11/12s drivetrains, including SRAM T-Type.
13mm Offset
Specifications & Identifiers
Chainline/Hub Compatibility
141/148 Boost Hubs
Chainring BCD
Direct Mount - Bosch
Defined Color
Black
Designed for ebike
Yes
Direct Mount Type
Direct Mount Bosch
Drivetrain Speeds
11, 12
Material
Aluminum
Ring Position/Type
Chain Retaining Single Ring
Round or Oval
Round
Tooth Count
32t, 34t
Black - 32 UPC
4711280341092
Black - 32 MPN
CR5ERA-100
Black - 34 UPC
4711280341108
Black - 34 MPN
CR5ERA-101
Tree Fort ID:
333222467278
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