Adjustable Handlebar Mount for Bike, Quick-Release, for BV-HB105 & BV-HB106 Bags, Holder for Bicycle Bag (ML-138) This handlebar mount works on BV handlebar bags (BV-HB105 and BV-HB106). The adjustable clamp fits most handlebars (22.2  31.8 mm (0.87 in - 1.25 in)). Note: Bag is not included.