I have a Retrax One MX Manual Retractable Tonneau Cover. ( cover Only no Rails ) Its new in the box as I bought it to replace the damaged one on my 2023 1500 Chevy Silverado but I traded it off and I no longer need it. New In the box, Fits 2019/2025 chevy trucks with 5ft 8inch bed.
L & R Rails can be bought online for around $400, New this system cost $2500 !