Bontrager XXX OS Carbon Stem (+/-12-degree Rise)
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Details
Fly faster with Bontrager's XXX OS Carbon Stem. With sleek, stylish looks that make it resemble an amazing alien artifact, it offers other-worldly-lightness and strength for your terrestrial rocket. The carbon construction and the cold-forged X-band clamp are strong enough to handle all-day off-road torture and the torque from 1,800-watt road sprints. This stem's feathery weight ensures your bike is that much lighter when the road tilts skyward and its carbon construction cuts down on road vibration so you never get numb hands. Plus, the clamping mechanisms are ultra safe and secure.
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.
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.
Clamp Diameter: 31.8mm
Steerer Size: 1 1/8 inch
Weight: 155 grams (100mm)
Part Numbers
| Option | UPC | MPN |
|---|---|---|
| Black / 70mm | 745889663686 | 409413 |
| Black / 75mm | 745889663723 | 409415 |
| Black / 80mm | 745889663761 | 409417 |
| Black / 90mm | 745889663808 | 409419 |
| Black / 100mm | 745889663440 | 409401 |
| Black / 110mm | 745889663525 | 409405 |
| Black / 120mm | 745889663563 | 409407 |
| Black / 130mm | 745889663600 | 409409 |
| Black / 140mm | 745889663648 | 409411 |
| White / 70mm | 745889663709 | 409414 |
| White / 75mm | 745889663747 | 409416 |
| White / 80mm | 745889663785 | 409418 |
| White / 90mm | 745889663822 | 409420 |
| White / 100mm | 745889663464 | 409402 |
| White / 105mm | 745889663501 | 409404 |
| White / 110mm | 745889663549 | 409406 |
| White / 120mm | 745889663587 | 409408 |
| White / 130mm | 745889663624 | 409410 |
| White / 140mm | 745889663662 | 409412 |
Reviews
Bontrager XXX OS Carbon Stem (+/-12-degree Rise)
$249.99