Giant Bicycles Egypt - Giant Connect SL Clip-On Bar Clamp fits oversized 31.8mm bars and allows you to add Giant Connect SL Aero Extensions of your choice. Clamps and arm rests only,
Giant Handlebars for Racing Bike 31.8 mm Clamp Diameter | eBay
Contact Aero Clip-On Clamps for Contact SLR Aero Handlebars | Giant Bicycles US