How Do You Fix A Flat On The Rear Tire Of A Roadmaster MT Sport SX Bicycle?
Like any bicycle, the Roadmaster Sport SX is prone to the occasional flat. A sharp object on the ground can penetrate the tire and puncture the inner tube, causing air to escape and leaving the rim vulnerable to damage. A rear tire is particularly susceptible to flats, due to the weight of the rider being placed directly over the tire. Fixing a flat yourself is a quick and cheap way to get your bicycle back on the road. Shift the chain to the outermost gear combination. This will place the chain on the smallest rear sprocket and largest front chain ring. Use an adjustable wrench to loosen the rear wheel axle nuts. Newer models may feature an axle skewer with a quick-release. In this instance, no tools are required—simply open the release arm and loosen the nut on the other end. Elevate the rear wheel, and push it from behind to dislodge the axle from the frame. Remove the wheel from the bicycle. Insert the flat end of a tire lever beneath the bead of the tire and wrap the opposite, h
