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Thorn resistant tubes have a thicker bottom wall than standard tubes
heat-treated steel cogs are strong and durable
The design itself inspired by the structure of an atom
All Tacx jockey wheels have sealed bearings
The Fun 20" Unicycle will not only challenge your coordination but also your balance
Shimano MF-HG37 Sprocket 7 Speed 13-28T Front Thorn resistant tubes have aFor those still using a drivetrain equipped with a 7 speed freewheel on the rear wheel, the Shimano HG37 Tourney Freewheel makes an ideal replacement. Its steel construction ensures strength and durability and the spacing between the cogs are designed for use with Shimano 7 speed indexed shift levers.
