E-Thirteen Helix R 3-Bolt Direct Mount MTB Guidering

Proven cross-compatibility applied to an ultra-lightweight, durable al-7075-t6 chainring. Highly CNC’D technical finish. Available to match helix cassette colors. 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 Race Cassettes, Plus 35 Stems, and Quick Fill Plasma Valves.

• 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 ultra-light weight (32t=51g) and looks that kill
• Available in 5 bold Ano colors and 4 sizes 28/30/32/34t
• Match and personalize the way you want

• Chain retention: Updated M4 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, Black, Intergalactic PVD
• Compatibility: All SRAMTM 3-Bolt Direct Mount cranks or other brand cranks that use 3-Bolt Chainrings
• Material: AL-7075-T6 Aluminum Alloy
• Size: 28-34t options
• Weight: 28t: 48g, 30t: 50g, 32t: 52g, 34t:54g