The hubs in this category are 'fixed', which means the sprocket on them is fixed to the hub (either with a spline or a thread) and you need to use a freewheel on your crank arms to make your bike function correctly.
All the hubs shown below are designed to work with both 20" and 26" wheeled bikes with 116mm axle spacing. If you purchase a hub from this category, please make sure that your frame has a 116mm gap between the inside faces of the dropouts.
Almost all 20" wheeled frames are the correct spacing to work with all hubs in this category and some 26" frames (the 116mm models) are compatible also.
There are also two main types of sprocket designed to fit on these hubs - screw on and splined. The screw on sprockets can be fitted by hand (we recommend plenty of grease so they can be removed in future if required) and they self-tight when you pedal. Splined sprockets are held in place with a lock ring. Please note that the Echo hubs have a specific spline and this is not compatible with any other brand's splined sprockets.
Technical InfoNew to trials? Then check out our product video guides for useful tips and technical advice
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TartyBikes Ltd, Units 3-4, Club Street, Bamber Bridge, Preston, PR5 6FN
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