yeah that'll do. just pull it back dead hard and tighten at the same time. the chain should be very snug but not tight. chaintugs make the process a little more controlled but aren't totally necessary. good luck!
i have a 17t miche track sprocket, the kind that sits on a carrier, and i'd like an 18t. would be swapping just the sprocket and not the carrier. mine is in really good condition. a longshot i know...
what's bamboo (in this context)?