e*thirteen Helix Race 8-Bolt Chainring - 11/12-Speed 3mm Offset 8-Bolt Direct Mount Size:30T 6 / EC44/40 Stack 16mm/14mm

6 / EC44/40 Stack 16mm/14mm Headtube Length 130-139mm Color Black Weight -

Primary Color Green Color Green Size L Gender Unisex

Nalgene Bottle

Features a weight saving 4-bolt design with a BCD of 110 mm Ring Position/Type Outer Tooth Count 52 Drivetrain Speeds 11 Chainring BCD 110 Shimano Asymmetric Color Black Defined Color Black Combination 36/52T

e*thirteen Helix Race 8-Bolt Chainring - 11/12-Speed 3mm Offset 8-Bolt Direct Mount Size:30T 6 / EC44/40 Stack 16mm/14mmHelix Race 8 Bolt Chainrings are an update to any 8 bolt drivetrain. Exquisitely machined from 7075 AL they're stiff and durable and provide a significant weight reduction over competitors. A unique four bolt locking interface reduces assembly weight while improving longevity and ease of assembly and maintenance. Featuring e*thirteen's M4 narrow wide tooth profile they deliver excellent chain retention long wear life and cross compatibility. Helix