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Bicycle gearing

technology Maturity 11-13

Bikes have gears to help you ride.

Shimano xt rear derailleur.jpg
Shimano xt rear derailleur.jpg
Some bikes have many gears. Some bikes have only one. Gears help you go up hills. They also help you go fast.
Singlespeed-mountainbike.jpg
Singlespeed-mountainbike.jpg
It makes riding fun! Do you like to ride your bike?

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🖼️ Images & Media (8)
File:Rohloff-nabe.jpg
Rohloff-nabe.jpg
File:Shimano xt rear derailleur.jpg
Shimano xt rear derailleur.jpg
File:Pinion P1.18 mounted.jpg
Pinion P1.18 mounted.jpg
File:Singlespeed-mountainbike.jpg
Singlespeed-mountainbike.jpg
File:2010 Cervelo RS 02.jpg
2010 Cervelo RS 02.jpg
File:2009-07-26-berlin-by-RalfR-99.jpg
2009-07-26-berlin-by-RalfR-99.jpg
File:Half-step plus granny crankset on a Trek 620 Touring Bicycle.JPG
Half-step plus granny crankset on a Trek...
File:SRAM Dual Drive.jpg
SRAM Dual Drive.jpg
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