The Nitto UI-85 is a good option if you're looking to run something like the Towel Rack on a 1 1/8" or 1" threadless bike. Its got a little more rise and comes in shorter lengths than its UI-87 cousin, so if thats what you're after, this is your stem! Each one comes with a shim to shim it down to 1" so it'd be good for something like the Single Speed Bolt as well.
Made in Japan
Color- Black or Polished
Bar Clamp Diameter- 26.0
Steerer Clamp Diameter- 1 1/8" (1" w/ provided shim)
Length- 60mm or 70mm
Weight- 129g (13g more with shim)