Nothing wrong with riding 6 bolt fixed. However, finding a hub that with a cassette and 6 bolt disc mount that will fit your rim brake bike won't be easy..
This is for a 135mm QR MTB frame, should be fine right?
yes
@frankenbike started
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Nothing wrong with riding 6 bolt fixed. However, finding a hub that with a cassette and 6 bolt disc mount that will fit your rim brake bike won't be easy..