If you like it, you do you
details missing...full length brake hosing or both brake and shifter...... (full length shifter is not a good idea)
plastic pedals are generally junky...you can do better
what type of sunrace
Disc brakes are over kill and add wheel complications....... good brand double pivot with kool stop pads is way to go
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Life is too short not to ride the best bike you have, as much as you can.