Walking your bike 200m to the closest bike shop?
With 50 EUR, every bike shop does the usual tear fixes: changing tubes, adjusting gears and brake levers, changing break pads, changing the handlebar tape, centering the wheels, and cleaning / oiling.
Those 50 EUR can't cover major damage, but lots of people in Europe have multiple bikes in their basement that are just "rusty" / flat tire / etc. and that they didn't needed during the winter.
This also illustrates a secondary benefit of these €50, namely that bike repairs are hyper-local. In addition to making bike repair more affordable for some and helping keep the momentum going on bike commuting, these euros can also drive more commerce to local small repair shops, helping them stay in business.
I have seen lineups out the door and around the block on this occasion. I think this illustrates very well people's well-known tendency to irrationally value free stuff.
I don't know how those numbers might compare in France, and there are obviously cheaper parts of the world, but the person trivializing $50 might well be in America where that's closer to a week's grocery than a month's for one person.
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For about a year when I was 19ish I managed to get by on $50-ish/month for groceries, by mainly living off rice and beans, with some eggs and other items thrown in. I don't know if that counts though because I got a lot of goods from dumpsters as well; Whole Foods throws out a lot :O
Now I'm way less frugal when it comes to groceries, probably closer to 3 or 4 times that. And I would still take that $50 for bike repair.
When I was in college, I also didn't have much more than 50€ for groceries. I did fine, but I also lived in walking distance to everything. Not everyone is as lucky.
Do people think poor people don't commute? 50$/€ is def. a lot for a myriad of people.