It's always been tough to find a computer mount that's tough enough to handle the tortures of mountain biking until now. The Tate Labs Bar Fly is built specifically to safely hold your valuable computer right in front of you, where it can be easily read. The MTB 3. 0 mount is made of Delrin a stiff thermoplastic used in applications where durability is the absolutely first priority. Even so, the design ensures that you can't over tighten and crush carbon bars. The MTB 3. 0 holds your computer in the center of your bar, where it's most easily read, and it's compatible with just about any stem on the market.