e*thirteen Helix Race 8-Bolt Chainring - 30t 11/12-Speed 3mm Offset 8-Bolt Direct Mount BLK Overall Length (mm)-209 DNA rubber improves grip with

DNA rubber improves grip with or without gloves

5" Small/Medium

Pre-lubed with special polymer compatible grease

It incorporates the latest technologies developed in collaboration with professional athletes from World Tour teams making it faster grippier and lighter than the more versatile P ZERO Race

e*thirteen Helix Race 8-Bolt Chainring - 30t 11/12-Speed 3mm Offset 8-Bolt Direct Mount BLK Overall Length (mm)-209 DNA rubber improves grip withe*thirteen Helix Race 8 Bolt Chainring 30t 11 12 Speed 3mm Offset 8 Bolt Direct Mount Black. Helix Race 8 Bolt Chainrings are an update to any 8 bolt drivetrain. Exquisitely machined from 7075 AL theyre 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*thirteens M4 narrow wide tooth