e*thirteen Helix Race 8-Bolt Chainring - 11/12-Speed 3mm Offset 8-Bolt Direct Mount MFPN=MIG50008 The individual tooth profile has

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

0 Length 254 Spoke Interface J-Bend Defined Color Black

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

The bit holder can be magnetically attached to any magnetic surface

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 The individual tooth profile hasHelix 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