Since none of my wheels have 6 bolt holes to mount disc brake rotor, then I need to get new wheel anyway. My goal would be to mount a fatter tire in front and leave skinnier wheel on rear (because in the rear I have electric hub motor and don't have much choice).
After attaching disc brake caliper (without any adapters) I tried to put my old wheel to get a feel on how everything would fit together. Then I noticed that disc brake caliper is touching spokes as can be seen in this picture:
Before I go shopping for new disc brake compatible wheel I have following questions so that I would not make any rookie mistakes:
- Why caliper touches spokes on the old wheel? Is it because I need to get adapter for caliper as well and it would move caliper away from the hub? Or is it because spokes on disc brake compatible wheels will be arranged in a more narrow manner around hub and hence will not touch the disc brake caliper?
- The fork leg to fork leg distance is 103mm as can be seen in the picture. How much wider wheel I could mount there? Especially - Do fat tire wheels have wider spoke arrangement at the hub area potentially reintroducing the "spokes touching disc brake caliper" issue?
- Would there be any issues with having fat tire on the front and this, somewhat skinny, tire on the back?