Jim Parker's blog

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Will Parker to set WRRA Junior 100 mile World Record
Submitted by Jim Parker on Tue, 07/06/2011 - 21:03
My sixteen year-old son,  Will Parker, plans to ride the new Cruzbike Vendetta 100 miles on Saturday, June 11th on the certified course in White Oak, NC. The WRRA World record for adult women was set by his mother, Maria Parker in 2010, riding a prototype of the Vendetta. The Junior record h
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Report from Bike Sebring 2011
Submitted by Jim Parker on Mon, 21/02/2011 - 8:00
Maria and I just returned from Sebring, Florida after competing in the 12 hour race that began at 6:30 AM on Saturday.  This was our second 12-hour race, the first being the 2009 12-hour non-drafting race in Saratoga, NY.  We carried the Vendetta and two Silvios (one as a back-up) to Flori
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Healthy sperm... reason #24 to get a Cruzbike
Submitted by Jim Parker on Fri, 10/12/2010 - 8:00
A new study[1] published in the journal “Fertility and Steriltiy” examined  sperm count and sperm health (based on the motility of the sperm) of over 2,200 men who gave a sample of sperm to a Boston fertility clinic. Men who reported bicycling more than 5 hours per week were twice a
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Proposal for scientific comparison of bicycle hill-climbing performance
Submitted by Jim Parker on Fri, 26/11/2010 - 8:00
Many Cruzbike owners have made the observation that they climb faster on a Cruzbike vs. other rear wheel drive (RWD) recumbent bicycles. Clearly, there are complex biomechanics involving the upper and lower body when hill climbing on a regular road bike (watch this video of Lance Armstrong climbing
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Was it really a world record?
Submitted by Jim Parker on Sat, 02/10/2010 - 17:27
Some people have asked whether it’s fair to call Maria’s records in the 100 mile, 200 mile, and 12-hour road events  “world" records. When we began researching what it would take to set a “world record” in solo long-distance cycling, we found that there is
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