Half a croissant, on a plate, with a sign in front of it saying '50c'
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Kixi Bike

Kick switch from fixed gear to freewheel
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The Kixi has a front chain ring can be switched from fixed (crank and chain are always turning when the bike is moving) to freewheel (chainring can spin even when you're not pedaling). To switch between fixed and freewheel mode, the rider uses their heel to kick a button placed on either side of the crank axle, similar to how you shift gears with a Schlumpf Drive.

Gives the advantages of a flip-flop hub, without having remove the rear wheel when you want to change modes.

a1, Jun 07 2024

Schlumpf Drive https://en.wikipedi...wiki/Schlumpf_Drive
Planetary gear hub with a kick-shift button on the crank axle [a1, Jun 07 2024]

Front Freehweel https://en.wikipedi...iki/Front_freewheel
Explanations and examples [a1, Jun 07 2024]

Flip Flop Hub https://en.wikipedi.../wiki/Flip-flop_hub
[a1, Jun 07 2024]

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