Dunno if the CB-1 kit is the same but the kit for the VFR just looks like this:-

With a set of bars, they'll relieve you of about £350

The clip ons are like these:-

I've got to admit that I'm not a big fan of companies like Spiegler. IMO they have monopolised on the vanity that seems to have inflicted yer modern day weekend biker and expoited it to the full for their own greedy ends. If people stopped patronising these companies, the prices will go down. It's just a block of alluminium that has been stuck in a machine for 90 seconds not the holy grail - probably bought out of house from China anyhow.