The black Mach1 Omega rear wheel is ideal for road bikes. It is a very resistant rim, made of aluminium and will give you excellent performance in any situation. The Mach1 Omega rear wheel has a rigid and dynamic rim, with no eyelets inside. If you are thinking of changing your wheels, this is an excellent option.It\'s a wheel with 22mm of profile, mounted with a sealed hub. This wheel has a machined sidewall, so it\'s compatible with all brake calipers.It\'s size of 700c, is compatible with all the wheels of road bikes. The tyres recommended are from size 700cx25 to size 700cx35. You will need a 48mm inner tube. And you need to mount a rim tape between the rim and the inner tube to prevent and reduce punctures..