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Maybe also try hiking as more people are into it, plus more opportunity to chat compared to biking. Look for hiking groups in your college. There will be bikers in that group too.

Also, any activity where you see the same people on a regular basis so they get to know you is great.

Group rides, coffee outside, bike packing are all amazing ways to make friends. Shared adventures however small make long lasting bonds.

You might try to find some local group or club about one of you interests. Having common ground might help.

sounds great, don't forget to join your local makerspace / hackerspace !