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: Silver
• Stack Height: 41
• Weight: 169
• Color: Silver
• Material: Alloy
• Length: 40
• Bar Clamp Diameter (mm): 31.8