[29er]

http://www.topbrakes.com/c/car-items/45520/4#

http://www.racingbrake.com/Big-Brake...10-p/2302k.htm

http://www.racingbrake.com/Two-piece...ZL1-p/2140.htm

they are not given can't comment on how they perform just a site that i found..
good luck! and let us know ,what you'll decide.