The OS-99 Stem is in Excellent condition. The Stem is in Excellent condition. The stem was previously owned for approximately ten weeks.
The following observation has been made about this item: " The stem is very clean. Light scratching where the stem would install to a steerer tube." Item sold as is. All warranties void.
Size: Unisex 90mm
Retail Cost: $174.00
Let's get one thing out of the wayâ€”the OS-99 Road Stem is the lightest stem that FSA makes, and no, the "7050 aluminum body" isn't a typo. By using a proprietary 3D forging technique and special heat treatment ("witchcraft" is the technical name) FSA makes the OS-99 as strong as a heavyweight stem but as light as a part made of pure carbon fiber. To be fair, the faceplate is built partially from carbon, to achieve the perfect balance of strength and weight, and the unbreakable bolts have been forged from titanium, so the OS-99 isn't pure aluminum. The faceplate also has a serrated surface that will grip both carbon and aluminum bars, and a rise of +/- six degrees, depending on which way you set it up.
OS-99 Stem (DWGAMVQ)