E*Thirteen Helix R 3-Bolt Direct Mount Chainring

Proven cross-compatibility applied to an ultra-lightweight, durable al-7075-t6 chainring. Highly CNC'd technical finish. SRAM compatible 3-bolt design.

A technology first. 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. Available in bold colors to match the popular E Thirteen Helix R Cassettes, Plus 35 Stems, and Quick Fill Plasma Valves.

Features:

• Save weight, keep your drivetrain options open and use the chain you want
• 3-Bolt Direct Mount design for use with SRAM 3-bolt direct mount compatible cranks
• Cut from billet AL-7075 for the highest strength and wear resistance
• SRAM and Shimano™ 11 and 12-Speed Chain compatible
• Extensive CNC machining for light weight and looks that kill
• Match and personalize the way you want
• Updated M4 narrow-wide tooth profile improved retention, reduced chain noise, and decreased system wear

Specifications:

• Offset: 3 mm
• Material: AL-7075-T6 Aluminum Alloy
• Weight:
  • 28T: 52 g
  • 34T: 68 g

Compatability:

• All SRAM 3-Bolt Direct Mount cranks or other brand cranks that use 3-Bolt Chainrings

User Manual (4.23 MB)