Zipp Service Course SL Stem

Bolt Zipp's Service Course SL Stem to the front of your bike and watch how it resists flexing during sprints and boosts steering precision thanks to its outstanding stiffness. It's made from 3D-forged 7075 aluminum with titanium bolts for a ...(Read More)

Zipp Service Course SL Stem
$108.95
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We can custom build a parts package around this bike, component or accessory. Please contact us for details.
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Bolt Zipp's Service Course SL Stem to the front of your bike and watch how it resists flexing during sprints and boosts steering precision thanks to its outstanding stiffness. It's made from 3D-forged 7075 aluminum with titanium bolts for an exceptional strength-to-weight ratio, serious rigidity and comforting reliability at a weight of only 120 grams.


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
70mm / +/- 6-degrees 00710845659003 00.6515.062.000
70mm / +/- 17-degrees 00710845659072 00.6515.062.070
80mm / +/- 6-degrees 00710845659010 00.6515.062.010
80mm / +/- 17-degrees 00710845659089 00.6515.062.080
90mm / +/- 6-degrees 00710845659027 00.6515.062.020
90mm / +/- 17-degrees 00710845659096 00.6515.062.090
100mm / +/- 6-degrees 00710845659034 00.6515.062.030
100mm / +/- 17-degrees 00710845659102 00.6515.062.100
110mm / +/- 6-degrees 00710845659041 00.6515.062.040
110mm / +/- 17-degrees 00710845659119 00.6515.062.110
120mm / +/- 6-degrees 00710845659058 00.6515.062.050
120mm / +/- 17-degrees 00710845659126 00.6515.062.120
130mm / +/- 6-degrees 00710845659065 00.6515.062.060
130mm / +/- 17-degrees 00710845659133 00.6515.062.130