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Commuting in temperatures below -10'c these days. The ride feels notably sluggish and I feel like I need to put in significantly more effort to keep the usual pace
Tests on marching soldiers show a substantial increase in energy expenditure when T drops from 20°C to - 10°C. Also there is an increase in drag due to the higher air density at low T. Your grease will slow down, but not critically - common general purpose grease of the type used on bicycles is typically rated to work down to - 20°C
gbj_tester
Commuting in temperatures below -10'c these days. The ride feels notably sluggish and I feel like I need to put in significantly more effort to keep the usual pace. I am wondering if the grease in my BB and ball bearings does not respond well to the cold. My commuter bike is a bog standard CX jobbie with Shimano 105 for all moving parts.