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Thomson 31.8 mm 60 mm Bicycle Stems

About Thomson - Thomson is leading with innovative design for two primary markets - aerospace and cycling.

Bar clamp diameter is the diamater of the handlebar.

Stem length is measured from the center of one clamp to the center of the other clamp. This measurement is sometimes known as the reach or extension.

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Thomson X4 Stem Mountain 31.8 60mm 90 Degrees Black 1-1/8" Threadless
Thomson X4 Stem Mountain 31.8 60mm 90 Degrees Black 1-1/8" ThreadlessThomson

Thomson X4 Mountain Stems feature smooth edges for carbon bar compatibility and use bolts that are custom heat treated with corrosion preventative plating. … read more

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Thomson

Thomson is leading with innovative design for two primary markets - aerospace and cycling.

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We define color as the main color of the item. It may have accents or highlights in other colors.

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Bar clamp diameter is the diamater of the handlebar.

Stem length is measured from the center of one clamp to the center of the other clamp. This measurement is sometimes known as the reach or extension.

S.H.I.S clamp diameter is the steerer tube diameter.

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.

Stem Type

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