Chainring 3 Bolt Direct Mount 28T e*thirteen Helix
CR4HRA-144
e*thirteen Helix Race Chainring 3-Bolt Direct Mount 28T 3mm Offset …
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.
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
PRODUCT SPEC
Chain retention Updated M4 narrow-wide tooth profile improved retention, reduced chain noise, and decreased system wear.
Chainline Flip-Flop - 52mm (Boost) and 56mm (Super Boost)
Color Bronze, Naranja, Eggplant, Gray, Black, Intergalactic PVD
Compatibility Helix R Direct Mount, Helix, TRS, LG1 and XCX Direct Mount cranks (spacers required for some applications)
Material AL-7075-T6 Aluminum Alloy
Size 28-34t options
Weight 28t: 48g, 30t: 50g, 32t: 52g, 34t: 54g
Product Fitment
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