http://nubikemfg.com/ Apparently this is the first major improvement in biek concept in over 100 years!
the first major improvement in biek concept in over 100 years!
It's actually the same concept as used on some ordinaries to permit higher gearing than the rider's leg length would otherwise allow, as well as other kinds of treadle driven cycles.
@gbj_tester started
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http://nubikemfg.com/
Apparently this is the first major improvement in biek concept in over 100 years!