but the XX1 version is in a totally different league of performance

Rail 40 and Rise XX wheels

While only compatible to SDG's patented I-Beam Technology saddles – the original “mono rail” is the premier seat to post connection system

Teflon based for extremely low friction

Ensure you always have a clean and efficient hydration system with the Albek 2 Pack Hydration Bladder Bite Valves

Leatt Gravity 3.0 Jersey - M - Mist Green PDP|PLP|Suits Freehub Type but the XX1 version isThe Gravity 3. 0 Jersey blends laid back looks with technical performance to keep you cool, dry, and comfortable on the trail. Made from a DriRelease organic cotton blend, it dries four times faster than cotton and wicks moisture to help regulate temperature when the pace picks up. The natural handfeel and casual style make it ideal for post ride hangouts, but don't let the relaxed vibe fool youit's packed with trail ready features like anti odour