Specialized Aerostem
$70.00
Clamp Diameter:
31.8mm
Color:
Black
Length:
80/110mm
Rise:
17°
Steerer Diameter:
1-1/8-inch
Please select options

Details

Specialized's Aerostem is designed to be used with the Specialized Carbon Aerobar (sold separately). It's adjustable for 80mm or 110mm reach.


Stem angle is one of the factors that determines handlebar height. A listed angle of 0 degrees actually provides a rise of 16-20 degrees, depending on the bike's head-tube angle. Flexible, athletic riders prefer lower-rise stems, while recreational riders usually favor higher-rise stems.

Stem length is measured along the side of the stem from the center of the steerer to the center of the handlebar clamp (see diagram). Keep in mind that as a stem provides more rise, its effective length decreases. In the example above, if the +17-degree stem measures 135 mm, it actually extends 108 mm parallel to the ground.

Part Numbers

Option UPC MPN Store SKU
31.8mm / Black / 80/110mm / 17° / 1-1/8-inch 719676220604 200E-1490 4958

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