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Kalloy 31.8- mm 80, 100 deg Bicycle Stems

Bar clamp diameter is the diamater of the handlebar.

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.

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Kalloy Uno Jump Stem, (31.8) 10d X 50mm Black
Kalloy Uno Jump Stem, (31.8) 10d X 50mm Black

2D forged aluminum stem 4-bolt windowed faceplate, 51mm tall steerer clamp. 200g Item Specifications steerer dia.: 1-1/8" bar dia.: … read more

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

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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