Kryptonite, makers of ‘Tough Locks for a Tough World’, are now known to have been selling bicycle locks which are not only more expensive, but can also be opened with a ball point pen. Apparently, this keyless mechanism was first documented in 1992.
Tag Archives: cycling
Compact cranks and gearing
“Human power output is a bit like a modern high performance engine, but with tiny amounts of power.” Simon Butterworth discusses the pros and cons of different types of cranks and gearing ratios.
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