Cross Chaining and Ring Size Efficiency Test

Effects of Cross Chaining on Efficiency and Effects of Chainring Size on Efficiency

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$7.95
Effects of Cross Chaining on Drivetrain Efficiency and Effects of Chainring Size on Drivetrain Efficiency. This test analyzes the frictional losses of the 22 ring-cog combinations of a 2x11 speed drivetrain, as well as the effects of frictional losses based solely on chainring size. 39T and 53T rings were anlayzed, with an 11-28 cassette.