Originally Posted by noriel
At any rate, if you're gonna go with the cog bolted onto the disc side, I've read that a lot of people have had some really good experiences with the Boone Ti cog. I don't know how long it would take to get one, but they look like they'd be worth the wait.
Boone cogs are great. I have 3. I started out with just a drilled out DX cog but then had Boone make some for me. They run about $2.50 per tooth. The wait time depends on his back log.