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2015 Canfield Balance - April 25, 2014, 11:12 a.m.

Small variations in linkage design, if considered to an improvement, are patentable. Older patents for suspension design may expired by now, or, similar to Canfield, be only for incremental improvements.

Not to nerd too hard on the whole patent thing, but the opening statements of this article aren't correct. Once an application has been filed, it is safe to show an invention to the general public. Nobody can take an invention from someone else if it is disclosed too early; worst case scenario is that an inventor loses his or her 20 years of monopoly granted by a patent- that is still pretty bad, but it isn't outright theft.

TEMPLE

North Shore Billet Variable Tooth Ring - Jan. 22, 2014, 6:04 a.m.

As always I left one pair of links worth of slack on the chain, just in case I needed an emergency fix out on a ride.

I don't understand this. Why not run the chain at the right length all the time and carry a Powerlink or similar for emergency fixes? Otherwise, the chain will run for an indefinite amount of time at a suboptimal length before it breaks (if it ever does) before it is finally sized properly.

I haven't found that my bikes handle extra chain length very well (more chain slap, slower shifting, more dropped chains, etc.), but I have never used a 1×10 or 1×11 system. Maybe some drivetrains accept an extra link without a problem?

TEMPLE

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