2015 HPC Electric Mountain Bike XC-2 Custom. Electric Mountain Bike XC-2 Custom by Hi-Performance Cycles- The XC-2 is a full Suspension Bike with Mono Shock in the Back- The Frame is 21" and is Super Study built made in Chatsworth CA- NOT a Department store E-Bike from China- The Motor is a custom Crystalyte HPCR 356572V Hi Torque- Top Speed on flat ground without pedaling is 35 mph- Can go any...