The orange crush pro 275 hardtail mountain bike 2017 gets a geometry update for 2017 improving on its riding traits to up the fun factor without upsetting the function everything that made the last version great has come along for the ride the rear triangle features a bolt through axle for stability and strength the crush39s long top tube design that adds an extra few milimetres means size for size a 50mm stem puts the rider right where they need to be with tuning