HELIX R 3-BOLT DIRECT MOUNT CHAINRING (SRAM™ crank compatible)

CR4HRA-120
The HELIX R 3-Bolt Direct Mount Chainring is a game changer.


Proven cross-compatibility applied to an ultra-lightweight, durable AL-7075-t6 Chainring. Highly CNC’D technical finish. Available to match helix cassette colors!

Combine with the chain, derailleur/shifter of choice without a change in chain retention quality. Build a dream rig with more freedom and spec creatively.

One of the strongest and most durable alloys available, AL-7075-T6 delivers the lightest and longest wear-life chainring without compromising strength, bend resistance, or longevity.


  • 3-Bolt Direct Mount design for use with SRAM™ 3-bolt direct mount compatible cranks
  • Cut from billet AL-7075-T6 for the highest strength and wear resistance
  • SRAM™ and Shimano™ 11 and 12 Speed Chain compatible
  • Extensive CNC machining for ultra-light weight (32t=51g) and looks that kill
  • Available in bold colors to match the popular e*thirteen HELIX R Cassettes, Plus 35 Stems, and Quick Fill Plasma Valves! 
Shipping Policy    Free Domestic Shipping at $100.00
Starting at
Regular price
$94.95
Sale price
$94.95

Product Spec

Chain retention
Updated G4 narrow-wide tooth profile improved retention, reduced chain noise, and decreased system wear.
Chainline
3mm Offset from mounting surface for 3-bolt applications
Color
Bronze, Naranja, Eggplant, Gray, Intergalactic PVD
Material
AL-7075-T6 Aluminum Alloy
Size
28-34t options
Weight
28t: 48g, 30t: 50g, 32t: 52g, 34t:54g

Tech Info

How-to install
Frequently Asked Questions
Chainline explained
Helix R 3-bolt direct mount chainring - 3mm offset

Guaranteed to be free from defects in materials or workmanship for 5 years after original purchase