Thomson X4 Mountain Stems feature smooth edges for carbon bar compatibility and use bolts that are custom heat treated with corrosion preventative plating.
- 31.8 bar clamp diameter with smooth edges for carbon bar compatibility
- Machined 7000 series extruded bar stock
- Bolts are custom heat treated with corrosion preventative plating
- Stack height is 41mm
- Use SM5320 to adapt 1-1/8" threadless stem to 1" threadless steerer
|Bar Clamp Diameter
|S.H.I.S. Clamp Diameter