When you replace the rollers, it is a good idea to reinstall the rollers with the spring-clip (there are 3 per rotor) one hole to either side of the original hole. The spring clips WILL wear a groove in the carrier (but not the stainless rotor) and allow the other 9 rollers to wear prematurely.
Keep the rotor and carrier in the original relationship by marking it with a grease pencil or crayon before disassembly.
I had no problems replacing the rollers with NO disassembly of the front wheel. Work your way around the rotor and replace one roller at a time. Every 4th roller is a spring-clip roller.
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