Technical Q&A with Lennard Zinn – Same ratio, different result?
Dear Lennard,For the sake of example, let’s say you are in 39/17 and switch to 53/23 (or whatever the equivalent ratio is). Assuming the gear size is the same, is the 53/23 more efficient because the chain is on a larger tooth cog?When compared, does the rider have more leverage on generating rotation of the rear wheel when using the larger ring? Also, does the 53T chainring reduce leverage that the crank arm exerts on the chain and thus the back wheel?TreyFrom Wayne Stetina at ShimanoAn interesting question to be sure. Basically at the heart of the debateabout any potential advantages for