E-THIRTEEN E13 Helix R chainring 30t

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. Features: - 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! Chain retention: - Updated G4 narrow-wide tooth profile improved retention, reduced chain noise, and decreased system wear. Compatibility: - Helix R 3-Bolt Direct Mount All SRAM™ 3-Bolt Direct Mount cranks - Please reference our hub compatibility article to ensure the e*thirteen cassette will work on the hub you have before purchase. Specifications: - Material: AL-7075-T6 Aluminum Alloy - Size: 28-34t options - Weight: 30t: 50g