Topeak dyna wedge wstrap microthis topeak dyna wedge wstrap micro is quick and easy to mount to either your saddle rails or seatpost via clever hook and look straps or a rubber strap with a minimalist design that opens uniquely in the centre this dyna wedge wstrap micro is aerodynamic and water repellent youll have swift access to your food phone wallet tools and other essentials featuresmaterial elastic polyurethane fibreeva foameasy mount to saddle rails and seatpost with hook an