Yes progressive does insurance motorcycles.
You can go to progressive insurance website at progressive.com and get a free quote for your motorcycle insurance.
The younger you are the higher your motorcycle insurance costs and the older you are the less your motorcycle insurance costs.
My brother has progressive motorcycle insurance and he's been very happy when them and he pays $500.00 per year for his motorcycle insurance through progressive.
You can also check out Geico Insurance as Geico also insures motorcycles.