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The Thomson Elite X4 is quite possibly the perfect mountain bike stem. The X4 is an iconic balance of strength, precision and design. Ridden by top enduro, downhill and cross-country riders Anyone can run the X4 confidently, it is also light enough for drop bar gravel, adventure rigs, cyclocross bikes and even track racing where front-end stability is paramount.

X4 stems offer precise steering, tracking, and more control while riding, all wrapped up in a beautiful design. The construction features smooth edges for carbon bar compatibility and uses bolts that are custom heat treated with corrosion preventative plating.

The Elite X4 line a forged AL7050 body with a 100% CNC machined surface. The faceplate is forged from AL6066 and is also 100% machined in the USA.

Pair with Thomson's Elite or Masterpiece series posts, seatpost collar and bars for an entire matched suite.



  • Manufactured in the USA
  • Iconic Thomson engineering and design
  • Durable 3mm bolts and precision matching faceplate
  • Available in black or silver finish
  • 1 1/8" steer tube diameter
  • 35mm bar clamp diameter
  • 0 deg rise
  • Available in  50mm length
  • Weight: 147g (70mm)

Thomson Elite X4 MTB/BMX Stem

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