techno-weenie n. a rider who knows more about the newest MTB parts and techno-fads than about the trails. Someone who buys lots of gadgets to add supposed iotas of performance to the bike. Greeting a friend whom we haven't seen in a year, I might say "Hi, Marta!" A techno-weenie might say "Oooh, you got White Industries hubs on that bike now?"
From the Dictionary of Mountain Bike Slang