The design team for the new Thomson 31.8 stems had a tough goal: make a stem better than the Thomson Elite Road and Mountain Stems. That was a tall order, given the popularity of the Elite models. They’ve done it, though - the new X4 is stronger AND lighter than before. It’s designed around the 31.8mm bar standard for increased stiffness and strength. The X4 incorporates a new steerer clamp design that shaves 20 grams, and of course, the beautiful design and machine work that have made Thomson famous, with a knee-friendly clamp and no welds to break. OK for use with carbon bars (always follow the mfrs. torque specs).
- 90 degrees (0 degree rise), 100 degree (10 degree rise)
- Weight: 166g (100mm)
- 7000-series aluminum
- Steerer clamp: 1 1/8
- Stack Height: 40mm
- Bar Clamp: 31.8mm
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