Yellowbird BarkeepersYellowbird's Marion BarKeepers are the ideal finishing touch for your drop handlebar setup. These brass bar end plugs are versatile, fitting both drop handlebars and many 22. 2mm flat handlebars. Handcrafted in the USA, each piece is unique and treated with archival wax to preserve its distinctive color and finish over time. Due to their handmade nature, slight variations in appearance may occur.