Re: My Cascadia build.
nice build - I like your choice of hop-ups.
spur gears are noisier than helical gear on a like-for-like basis, but because Tamiya uses nylon gears, the orginal spur design will be quieter than the metal helical alternative. I agree with the view that stock ones are good till you break 'em, at which point you can justify the upgrade!
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