1. Can you mount a shimano centerlock disc brake rotor on a Terramax wheel? If not why!! 2. We have a broken rear mountain bike rear derailleur. It is a long cage sram x.5 can you replace it with a long cage Shimano XT? Can you replace it with a long cage sram x.9? 3. can you use a UST tubless tire with a non-tubless wheel? If you can how? 4.