One hundred races later (the tour took a hiatus during both of the world wars), the competition is a different beast entirely. 100 Tours: Cent Ans de la Grand Boucle, a graphic from designer Sam Potts, charts the various routes the bikers have trekked over the years.
“It’s a pretty convoluted history,” Potts tells Co.Design. “They’ve done a lot of experiments. For a few years they had national teams instead of commercial teams. So riders would be riding for Switzerland instead of a company. But often now you come to associate a rider with a team.”
Nearly 30 years ago, J. David Rhoades had a unique idea – to design and market a 4-wheel bicycle that everyone could enjoy. He appropriately named it the Rhoades Car... http://www.rhoadescar.com/rcar/index.shtml
The simple tension seeker (STS) by DMR Bikes should not really be called a chain tensioner , but rather a slack-remover. It's an incredibly simple solution for those looking to convert a bike with vertical dropouts for single speed use. DMR is a UK-based company that specializes in downhill, freeride, and dirt jump chain devices, and the STS reflects this design experience in this burly device. Installation is a 5-minute job (assuming you have already replaced your cassette with a cog, and shortened your chain as much as possible). Simply remove the skewer nut and slide the black aluminum mounting bracket onto the dropout. Then loosely bolt the stainless steel arm to the bracket and the derailleur hanger with two 5mm bolts. Replace the skewer nut. Rotate the cranks until the chain is at its tightest. (Very few chainrings and cogs are perfectly round.) Lift up on the arm so that the red pulley pushes the chain upward, removing the slack, and tighten the two 5mm bolts. That...
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