Walmart carries the cartridge filter for my 1100 so availabilty wouldn't be a factor I would consider regarding a spin on conversion. The convenience of just spinning off the filter would be appealing though. Then I considered the aesthetic aspect of a spin on filter. I wouldn't want an orange or blue, or even a black filter sticking out of the front of my engine.There is a very nice looking spin on motorcycle filter , the K&N, which comes in chrome. I use those on my Harley but those are $15.00. So if you want your bike to look nice and want a spin on filter, you need to spend a lot more for a filter. Do they make chrome or aluminum covers for standard oil filters so they look a little nicer? I don't want to see the name of the filter, the model number, etc.I love mine. An oil change is a near as the nearest walmart or equiv...