Helix E*Spec Direct Mount Chainring multi-speed freewheels the Mashup blends the coolest

the Mashup blends the coolest elements from several pieces in the ONE by Optic Nerve collection to make the ultimate pair of polarized sunglasses

This crankset features a self-extracting axle/arm interface

High durability for all-day performance

As with all of our S-Works bikes

This chain is super lightweight with its patented chain configuration

Helix E*Spec Direct Mount Chainring multi-speed freewheels the Mashup blends the coolestHelix Core e*spec Direct Mount Chainrings feature a narrow wide tooth profile, for reliable chain retention and an extra long wear life. Helix Core e*spec rings are cold formed from steel and then heat treated to provide excellent durability and toughness, all at a price that's easy on your wallet.