Essential in much the same way as whale-oil lantern maintenance is a vital skill for 2017?
I reckon we'll see the end of inner tubes for most bikes within the next five years as most things move to tubeless.
Much like how the clearly inferior technology of square taper BB and freewheels has been consigned to history?
Square taper BB hasn't been seen on a decent bike for 10 years* so yes, by freewheel you refer to a BMX/single speed type affair?
*Some track bikes notwithstanding
@Scilly.Suffolk started
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Essential in much the same way as whale-oil lantern maintenance is a vital skill for 2017?
I reckon we'll see the end of inner tubes for most bikes within the next five years as most things move to tubeless.