Twitter 3900 XC Custom MTB

Bicycle Sales and Service

Circuit Cycle Twitter 3900XC MTB

A custom in-house build from the bottom up. Designed around the 16.5" 3900XC Twitter Frame, this hardtail is equipped with 27 gears, and a Lanxuanr lightweight front suspension air fork.

Our custom builds are carefully designed around components that compliment each other and provide years of carefree riding.  Each custom build bicycle from Circuit Cycle come with a two-year warranty.

  • Frame - 7005 Aluminum Alloy
  • Gears - 27 Speed
  • Shifters - Shimano Alivio
  • Colours - Grey
  • Sizes - 16.5" (S)
  • Brakes - Mechanical Disc
  • Rims - USA Made, Dually¬† (Capable of 3.25" tires)
  • Forks - Lanxuanr Lightweight Air Suspension. Lock outs and Preloads.

In Stock