Light Source M-140 Cyc Track - 20 ft - Black Anodized
Details
The M-140 Cyc Track is a walk-along studio/stage curtain track with rounded edges and is fully compatible with the H&H 300, and the ADC 140 style tracks. Track should be supported every 4-5 feet. A complete system of hangers and splices is available to make installation quick and easy. Machine rolled corners are available to your radius specifications.
The M-140 Cyc Track is sold in 10' or 20' lengths, and may be factory cut to any size you need. (There is a custom cutting fee).
Standard radius rolled track sizes are priced per piece.
Custom radius rolled track are cut from a standard size piece and custom priced per inch of bent part.
Light Source M-140 Cyc Track - 20 ft - Black Anodized (Light Source M140CYC-E-B) 
very easy
Nice web site easy to navigate. Colorful.
Service was great! Got a response to my question within 24 hours (next business day).