Box Two 22.2 X 1-1/8" Centre Clamp Stem
Box Two Centre clamp Hollow stems are cold forged from the highest quality 6061-T6 aluminium 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 53mm extension stem weighs just 218 grams/7.7 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.
These stems come with either a 48 or 53mm extension and a 22.2mm bar bore. To ensure proper clamping force, the stem must be mounted on a fork with at least 45mm of exposed steerer tube.
Features
- Lightweight Skeleton Design
- Knee-Saving Wedge Centre Clamp System
- Superior Strength
Specifications
- Material: Cold-Forged 6061-T6 Aluminium
- Hardware: Chromoly Clamping Bolts
- Finish: Anodised w/Laser-Etched Graphics
- Length: 48mm, 53mm
- Clamp Diameter: 22.2mm
- Stack Height: 28mm
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