To ride all mountain your bike has to be able to ride the entire mountain this means being ready for whatever the trail throws at you whether its heading up or down and theres no better bike for doing this with speed than the s works enduro fsr 29 to keep the weight down the frame is constructed from our top tier fact is x 11m carbon fibre this material comes with the added benefit of being incredibly stiff which is balanced out by our 29 geometrys roomy top tube short chainstays sl