I was on the fence about building a TRP
over the goblin for a few of those reasons. Mostly the transmission and higer redline. No reverse was an issue as well as I wasn't crazy about the chain drive. Also being able to get a good portion of the parts at a local parts store if anything breaks is just hard to beat.
I am surprised they produced so few of the rockets but the price was pretty insane for the early 90s.