Product DescriptionMade from Toray 700 3K carbon fiber wrapped over a 6061-T6 spine, the GPa4.8 is such a smart looking stem it might as well be taking AP classes. All the hardware is stainless steel and the steerer tube bolts are opposed to keep stress on delicate carbon steerer tubes to a minimum. The rise is +/- 10 degrees. The handlebar clamp is 31.8mm and 1 1/8 is the magic number for your steerer tube.
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