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-   -   making cranks lighter? (https://www.bikeforums.net/bicycle-mechanics/1102273-making-cranks-lighter.html)

SkyDog75 06-28-17 05:22 PM
Originally Posted by maddog34 (Post 19678702)
your weight savings if you swap out both chain rings? in the neighborhood of 1/2 lb. of ROTATING MASS, that must be accelerated EVERY TIME YOU PEDAL YOUR BIKE...
While technically true, we're talking about rotating mass that's near the axis of rotation. The closer you get to that axis, the less importance we can place on the "rotating" part.

LesterOfPuppets 06-28-17 07:15 PM
Totally worth it to get a lighter crankset. I'd probably go 1x for delivery duty - get some shorter chainring bolts and ditch the 52.


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