I went to Madrid last year with a bike. Hardly saw any cyclists at all, except in the park where they all go round and round on full-sus MTBs wearing lycra. They take their park cycling seriously! People really don't use them to get around on the roads (and the traffic is a pain in the arse).
You could try riding about, but to be honest the centre of Madrid is small enough for everything to be in easy walking distance so it's really not worth it. Plus, I don't remember seeing any decent places to lock a bike up and everyone I spoke to there warned about bike thieves.
If you do decide to take a bike bear in mind it's pretty hard to get out of the airport on a bike. You can take them on the metro at the weekend (worth checking if this is still the case) so long as you don't mind funny looks + escalators + stairs.
I went to Madrid last year with a bike. Hardly saw any cyclists at all, except in the park where they all go round and round on full-sus MTBs wearing lycra. They take their park cycling seriously! People really don't use them to get around on the roads (and the traffic is a pain in the arse).
You could try riding about, but to be honest the centre of Madrid is small enough for everything to be in easy walking distance so it's really not worth it. Plus, I don't remember seeing any decent places to lock a bike up and everyone I spoke to there warned about bike thieves.
If you do decide to take a bike bear in mind it's pretty hard to get out of the airport on a bike. You can take them on the metro at the weekend (worth checking if this is still the case) so long as you don't mind funny looks + escalators + stairs.