Freehubs give out pretty quick in the Halo Spin doctors (avoid those). Go on singletrackworld and buy some cheap Hope XC or Pro11 stuff. DMR Revolvers are pretty solid for the money too, but they use a freewheel. You pays yer money
Avid BB7's are awesome, but most other mechanical discs are shite.
Freehubs give out pretty quick in the Halo Spin doctors (avoid those). Go on singletrackworld and buy some cheap Hope XC or Pro11 stuff. DMR Revolvers are pretty solid for the money too, but they use a freewheel. You pays yer money
Avid BB7's are awesome, but most other mechanical discs are shite.