Speedline Parts | Elite Carbon Fiber BMX Junior and Junior Cruiser Race Fork - 3/8" DropoutsSpeedline Elite Carbon Junior Expert 20 and 24" Cruiser Fork The new Speedline Carbon Fiber Junior Expert Fork is the second generation of the Speedline Elite Carbon forks, featuring monocoque carbon construction for superior weight savings. It has over 3 years of development and testing behind it. Utilizing our special hand laid carbon fiber legs with a carbon fiber steer tube, this fork has no bonding areas or weak points. The fork is one solid