BMX Bicycles Hub

The BMX bike original got its name through BMX racing, but has now grown to cover nearly every type of racing bike available -- whether for vert, dirt, street, park, or flatlanding. They also cover nearly every speciality of freestyle BMX riding.

The added abuse that BMX bikes get put through means their frames are some of the most durable out of any other type of bike. They’re usually built out of materials such as steel, chromoly, and even carbon fiber, in some of the more expensive bikes.

BMX bikes also use a different type of gearing, known as cassette hubs. Rather than using the standard 44 / 16 gearing found on most older BMX bikes, or the newer 36 / 13, 30 / 11, or 25 / 9, BMX bikes have a much smaller ratio.

The smaller ratios allow them to run lighter weights while providing significantly more clearance for some of the tricks that require the rider to “grind” the bike across an obstacle.

Freewheel hubs are also only used on the lower-end BMX bikes, because cassette hubs are less prone to failure or breaking under the extreme stress that BMX riders put their bikes through.

BMX bikes are built with thicker rims and tires that are smooth, for maximum grip and an increased ability to withstand harsh landings after coming from a ramp, vert, box, or other obstacle.

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