Q-Tubes 700c x 30-43mm 48mm Presta Valve Tube Boys Not sure what size you

Not sure what size you need

Medium: Mens 9-11

Every ride is a Daily Double with the Michelin Lithion 2 Reinforced tire

5 mm textured rubber sole won't add bulk

Q-Tubes 700c x 30-43mm 48mm Presta Valve Tube Boys Not sure what size youThe Q Tubes Standard Line Presta Valve tubes feature QBP's widest variety of tube sizes and valve lengths with a proven record of high quality control and consistent availability. . 9mm wall thickness Removable Presta valve core Q Tubes Standard Line packaging features environmentally friendly soy ink printing on recycled cardboard Master Cartons of Q Tubes Standard Line tubes contain a total of fifty tubes: Five inner cartons of ten individually