Australian Tube Products (ATP) Bar Plugs

Australian Tube Products (ATP) was a company that made handlebars and stems for bicycles. In the 1950’s they produced handlebars with plastic bar plugs. Over the past 60 years, the plastic plugs were either lost, deteriorated from UV exposure, or damaged upon removal.

ATP bars have a 19mm internal diameter with a 21.75mm outer diameter. Other bars from the era had an I.D. of 19.5mm, but the same O.D. of ~21.75mm. So to make these plugs suit all types of bars, I've made the plugs slightly tape