Helix Core Alloy Cranks e*spec Available Full Coverage for traditional

Available Full Coverage for traditional ISCG05 bikes and "Lower Only" version (seen on this page) for applications on most popular high-idler bikes

e*thirteen brings a unique perspective to gravel components

Drive side TRS/LG1 Carbon Shell

EZO + TPX bearings

but takes advantage of a nylon breaker under the tread for heightened puncture protection and a more supportive feel in rougher terrain

Helix Core Alloy Cranks e*spec Available Full Coverage for traditionalLighter, stronger and more value than the competition. Helix Cranks proven forged AL 6066 alloy for trail weights and Enduro strength and durability. Engineered with weight reduction features into the mold, resulting in a sleek, minimalist aesthetic. CNC cuts further optimize weights for a crank that's equally at home on long singletrack days and for bikepark shuttles. The AL6066 T6 arms are paired with a 24mm heat treated chromoly spindle, resulting