Your vintage 28mm bicycle water bottle holder

This is an original water bottle holder tube holder created for my 1978 Motobécane TR1 Racing Bike. It normally works with bikes of the same era such as MBK, Mercier, Bianchi etc from the 50s, 60s, 70s and 80s. The bottom tube and seat tube measure around 28 mm in diameter. Some bikes have crimped nuts for water bottle holders, this bracket is for you, vintage cyclist. Tip: When sliding the ring onto the frame tube, I recommend using a protective adhesive to prevent sc