Thomson X4 Mountain Stems feature smooth edges for carbon bar compatibility and use bolts that are custom heat treated with corrosion preventative plating.

Specifications:

• Stem Angle (deg): 0
• S.H.I.S. Stem Clamp Diameter: 28.6
• Defined Color: Black
• Stack Height: 40.6
• Weight: 185
• Color: Black
• Rise: 0
• Material: Aluminum
• Length: 40
• Bar Clamp Diameter (mm): 35.0