WTB: cheap bits for commuter (650b tyres, chainring)

looking for:

1. 650b disc wheels (qr front/rear, 9/10/11 spd compatible)
   
2. tyres, something for commuting or like GK slicks, marathon suprime etc (~38c/1.5")
   
3. flat mtb bars, narrow (~6oomm), not too much rise, 31.8 clamp
   
4. mtb rear derailleur, 10spd
   
5. 42-44t, 104 bcd chainring, 10spd
   
   

@BareNecessities usually has some MTB stuffs?

anyone got anything?
cheers.