Join Date: Jun 2005
Location: Pagosa Springs, CO, USA
Bikes: Road, MTB, Cruiser, Chopper, BMX
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I wouldn't call it "lying" as much as having a margin of error. Much like overclocking a computer, there are always "hacks" that allow one to exceed the manufacturer's specs...at the risk of accelerated wear, less than optimal performance, loss of warranties and more attention paid to maintenance. I'm sure the folks at Shimano (and PC hardware manufacturers) are well aware of how their products are being implemented by savvy enthusiasts, but using their compatibility specs keeps things within a "safe" level of wear, keeps returns to a minimum, and allows almost any mechanic a reasonable chance at building a modular drivetrain that works well with a minimum of incompatibility issues. The extra capacities are built in to ensure reliability.
Originally Posted by ahsposo
Ski, bike and wish I was gay.