I rode this stem on my levelboss, and it was fine. Don't know how it rides on the xtp... I couldn't really test the bike, because of this shit king cog.. I tried two different chains and both skipped.. impossible to ride...
here are the specs..
frame: xtp long (1095mm wheelbase!)
fork: koxx 190mm
front wheel: Mavid x317 disc, Magura Pro (DT 240) hub, Dt revolution spokes
rear wheel: koxx 42mm rim, chris king hub, 18t rohloff single speed cog, the other 5 cogs are carbon, silly 6speed rule at comps.. DT Revolution spokes
tyres: Michelin HOT S 2.1 and HOT S 2.5
tubes: Schwalbe standard
brakes: hope mini, Maguras with monty chees pads
cranks: echo ff, track cog, drilled bash
bb: 122mm XT, there is only about 1 or 2mm clearance between the teeth of the chainring and the chainstay yoke.. crazy..
stem: Roox, to be replaced by a ritchey wcs
headset: ritchey scuzzy logic pro
deraiileur and shifter: xtr