Bicycle hire with classic bicycle models. Black granny bikes and side by side bike for 2.
Star Bikes has special bicycles, adapted for disabled people.
You can also buy bicycle tours here.

The bikes you rent here do not carry the name of the rental agency, so you're not so recognizable as a tourist.

Address:
De Ruyterkade 143, Amsterdam
Web:
http://www.starbikesrental.com