The best replacement for street bob is fat bob.

The best alternatives to street bob are rated as following:
★★★★★  fat bob
★★★★  wide glide
★★★  super glide
★★  night train
★★  fatboy
★★  street glide
★★  nightster
★★  softail
★★  sportster
★  iron 883
★  48
★  lowrider
★  softail slim
★  thunderbird
★  72
★  high ball
  low rider
  fatboy lo
  super glide custom
  crossbones
  highball

Your alternative for street bob is not listed? Suggest!
Speaking about street bob, one probably shouldn't forget about wide glide front end.

Other search terms related to street bob and their ratings are:
★★★★★ wide glide front end
★★★ 21 inch front wheel
You have in mind a companion for street bob and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of street bob in all years. Click on graph for more.
street bob
fat bob
wide glide