Senior Member
Join Date: Sep 2012
Location: Back-of-beyond, Kootenays, BC
Posts: 750
Bikes: Specialized Roubaix Exp ert Road and Specialized Stump Jumper FS Mountain; De Vinci Caribou touring, Intense Tracer T275c, Cramerotti, Specialized Allez, Condor
Mentioned: 2 Post(s)
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☝️ I agree!
Every time you pedal a circle you move the bike ‘X’ teeth. So with your new gearing you will move the bike fewer ‘teeth’ than with your former chain ring. Now, of course, that also depends on your cassette, but since you don’t say you have changed that it should be irrelevant.
If the gear on you are using on your cassette has 24 teeth then with every cycle the old chain ring (large gear) would rotate the tires 48/24 or 2Xs. The new one will rotate the tires 42/24 or 1.75Xs. Less distance equals less effort.