A huge 45L of interior space with multiple carry options

Closure or Slip-on: An adjustable hook and loop closure ensures a proper fit

Cons: They weigh a bit more than the ARC series

Can be mounted in either the big or small ring position of a double crankset given chainstay clearance in the small ring position

POC Axion Spin Helmet - M-L - Uranium Black - Fluorite Green Matte Do Not Ship Internationally A huge 45L of interiorThe POC Axion Spin inherits many of the technological innovations from previous models to create a Trail and Enduro helmet that provides exceptional coverage and some great features designed to protect your brain and neck in the event of an accident. The Axion Spin features new rotational liner technology developed by POC to be more comfortable than other systems on the market. SPIN (Shearing Pad INside) uses a silicon gel like membrane inside the pad