https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5858726/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5858726/ https://cyclingincities.spph.ubc.ca/injuries/the-bi

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5858726/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5858726/ https://cyclingincities.spph.ubc.ca/injuries/the-bice-study/ https://cyclingincities.spph.ubc.ca/injuries/the-bice-study/ https://ehjournal.biomedcentral.com/articles/10.1186/1476-069X-8-47 https://ehjournal.biomedcentral.com/articles/10.1186/1476-06... With the skimming of abstracts, that took < 5 minutes from opening google to typing this. Three will suffice, I trust? I don't have hours to read abstracts for the other fifty. >at least in the north, is cause it’s below zero for half the year. Oh, okay, in the north. If you're American, I'm currently north of you unless you happen to be in Alaska, and I bike 9-10 months a year, basically until it gets below zero. Someone forgot to tell Canadians it's below zero here for half the year :)