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The X4 starts life as a one-piece 7000 series extruded billet precision solid block of aluminum.

Our vision of the perfect stem… the X4 is the purist combination of strength, weight and CNC precision. Enduro, downhill, track racers – anyone can run the X4 confidently, it’s also light enough for cross country, cyclo-cross and road bikes.


SM-E169-10X70BLK

Thomson X4 31.8 10d Mountain Bike Stem

Size
Steerer Tube Diameter
Color
Black
Silver

The X4 starts life as a one-piece 7000 series extruded billet precision solid block of aluminum.

Our vision of the perfect stem… the X4 is the purist combination of strength, weight and CNC precision. Enduro, downhill, track racers – anyone can run the X4 confidently, it’s also light enough for cross country, cyclo-cross and road bikes.

In Stock & Ready To Ship In 3-5 Days
In Stock & Ready To Ship In 3-5 Days
In Stock & Ready To Ship In 3-5 Days
In Stock & Ready To Ship In 3-5 Days
In Stock & Ready To Ship In 3-5 Days
In Stock & Ready To Ship In 3-5 Days
In Stock & Ready To Ship In 3-5 Days
In Stock & Ready To Ship In 3-5 Days