Upgrade your box stem bag with an airfoil shaped one!. Quick access to nutrition with a super-slide zipper. Keep tablets or pills separate with the handy inside pocket. Rubberized bottom keeps the bag in its place. Can easily hold a bar and 4 gels. More Aerodynamic Actually reduces drag caused by stem and headset spacers. Same width as head tube (Standard size bag), therefore no increase in frontal area. 72 degree front fits tight up against stem. Tapered aero design profile. Super smooth low skin friction exterior reduces drag. Non Sway Design None slip surfaces underneath and on front of bag grip top tube and back of stem. Extra-long front straps allow bag to be attached...
Best Price: £23.50 from Merlin Cycles