/ Box Hollow Stems

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Hollow stems are cold forged from the highest quality 6061-T6 aluminum available. Featuring an open skeletal design and a dual mid-bolt wedge mounting system, they are lightweight yet maintain a very high level of strength. A 53-millimeter extension stem weighs just 215 grams/7.6 ounces.

By removing the rear pinch bolts and moving the mounting bolts to the middle of the stem, we reduced the weight and size and eliminated a serious hazard to the rider’s knees.
The stems come with a 48- or 53-millimeter extension and a 5-degree rise or drop.

To ensure proper clamping force, the stem must be mounted on a fork with at least 40 millimeters of exposed steerer tube.

Available in anodized red, blue, gold and black with laser-etched graphics and six hollow chromoly Allen bolts. Meets or exceeds ENBMX Category 1 standards.

48mm: 213 grams/7.5 ounces
53mm: 218 grams/7.7 ounces

$139.00

Or 6 weekly payments of $23.17 with