Thomson Available 90 deg 31.8 mm Bicycle Stems
About Thomson - Thomson is leading with innovative design for two primary markets - aerospace and cycling.
These models are available for online purchasing and can be shipped directly to you.
Stem angles are measured perpendicular to the clamp. For example, a 90 degree stem is straight. Sometimes, this may also be refered to as a 0 degree stem. If two measurements are listed, the stem can be flipped for angling up or down.
Bar clamp diameter is the diamater of the handlebar.