Can someone here tell me the work involved in changing the wheels over aas described

Front Wheel Purchased 09 softail front wheel MH90-21

Replacing 08 Dyna with 100/90-19

Rear Wheel Purchased 200/55/17

Replacing 160/70/17

I know it wont be a straight swap, never that easy, but is it just wheel bearings and a smaller tyre on the rear. The tyres on the wheels i purchased are just about stuffed, reallybought them for the rims. 

I think you'd have to change the front guard for starters. My son's got a Night Train and I was looking at the sizing of his 21" front compared to mine and it wouldn't fit under my guard, it's too tall. As for the rear I have a 180 tyre and there's not much clearance to the belt, so you'd have to go for something in that sizing because you'd have a fair bit of fucking around to get a 200 on.

The other Problem your got is a Dyna with a 19" Wheel is normaly a Narrow Glide or Mid Glide Front End, That Hub is only 106 mm Wide I think, Softails are Wide Glide Front Ends and there Hubs are 165 mm Wide, Unless you have a Wide Glide Front End the Front Wheel is not going to fit

Thanks guys for you input, the front wheel is a rolled edge 21' so i am going to change hubs because the wheel looks awesome, the rear i think will have to be sold. thanks again.

the rear "should" fit with minimal work.

a tidy up of wiring under the guard and maybe some messing around with spacers