I despise the anti-social alarm of those bikes. At my work, someone has put one on the bike rack, which is a type where you suspend bikes by one wheel. If you

I despise the anti-social alarm of those bikes. At my work, someone has put one on the bike rack, which is a type where you suspend bikes by one wheel. If you so much as brush that bike, or even shake the bike rack a bit, it will scream loudly and startle you. Do it again and it's an ear-piercing alarm you have to contend with while you store your bike. And it's really hard to do considering how packed the rack is, and how normal it is to move other bikes a bit to store yours. Other than that, I don't have a strong opinion on those: they seem like overpriced bikes that are expensive to repair, and other commenters seem to agree on that.