Frame is never used or build up frame size is medium the W.I.D.E is a bike fore funn and broder tyre clearance so you cane even hit the single tracks like you would with your mountain bike the frame is very light and trough the lower chain stays you also have much more chain clearance and the hole carbon backside from the bottom bracket trough the chain stays gives you insufficient in of stiffness to get the power on to the trails it'salso hase small details like a litllehole in the seatstay tube to let yoy now this is the minimum that the seatpostshould be in the frame also direct flat mount ...