Axion Helmet Maximum Head Circumference:52 The resin ribs on the

The resin ribs on the back of the chainrings are Shimano 105's unique structural design that achieves both through weight reduction and crisp shifting performance

prevents slippage

And with this frame set

Anitgram V2 Cassette Hub with 9t driver

One wheel that had all the aerodynamic benefits of the 64 in a package that climbed like the 32

Axion Helmet Maximum Head Circumference:52 The resin ribs on theLightweight, well ventilated and with extended coverage around the temples and at the back of the head, the POC Axion gives protection optimized for the trail. Ideal for a wide variety of riding styles, the helmet features extended protection zones for extra protection in the areas where most impacts occur. Extra safety features include the patented adjustable breakaway peak that reduces forces transmitted to the neck in a crash. Designed for trail