e*thirteen Helix Race 8-Bolt Chainring - 11/12-Speed 3mm Offset 8-Bolt Direct Mount MFPN=MIG50008 Model Adapter 3/8-26 Thread Description

Model Adapter 3/8-26 Thread Description Adapter for 3/8-26" Axles

SpeedCore brings a thinner rubber layer that allows for better handling while the aramid fibers dispersed in the blend provide the necessary mechanical strength Flat Protection Tread and Sidewall TPI 120 Color Yellow Label Team Edition Weight 290 Defined Color Yellow ISO Width (mm) 28 ISO Diameter 622 / Road / 29" Tire Intended Use Road Tire Diameter 700c Tire Bead Folding Labeled Size 700 x 28 Tire Type Tubeless Ready Clincher Size 700 X 28 Color Label YLW Label Team Edition

The individual tooth profile has moved from the traditional symmetrical shape to more directional specific design with the intention to create a positive chain roller engagement to help with chain retention critical to prevent chain slip and bounce over rough terrain

The toe inserts are easily replaceable and Cleat Bolt Pattern 2-Bolt Closure Dial Shoe Size (EU) 40 Gender/Age Men's Color Black Defined Color Black Activity Cycling Size 40

8 bolt interface for use with power meter spider

e*thirteen Helix Race 8-Bolt Chainring - 11/12-Speed 3mm Offset 8-Bolt Direct Mount MFPN=MIG50008 Model Adapter 3/8-26 Thread DescriptionHelix 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