Why it makes perfect sense for this bike to have two gears and two chains
The Buffalo Bicycle Utility S2 has won an award from Eurobike and earned a German Design Award. With components designed by ...
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Science/Physics KS2/KS3: Will gears let children pull a piano uphill with their bikes?
SOPHIE:Bikes can do all sorts ... makes it harder to cycle but they go faster. How gears work is explained using model gears, linked together in pairs on a board. By counting the number of ...