I posted the info about the Black Caps on the YouTube video. For now the Black Caps can be the equivalent of the front brake. From what I can remember of the stock front brake it is probably capable of about minus 10 bhp, same as the Black Caps!
Anyway, I hope he makes the switch as he's happy with the oomph now, just imagine how he'll enjoy it with a proper top end pull.
Seems like he'll figure it all out.
Glen