Originally Posted by
damnable
Hmm the only printing on the lever (other than 'Ultegra' on the front) is indeed on the back. It says 21 F. Not sure what that tells me though. The rest of the Ultegra parts I find markings on are all 6500 though.
Oops, sorry. The part # is molded onto the side of the lever body. Roll the brake hood away from the bar to see it. It'll be on the outer side, and there may be a bit of bar tape partially or fully concealing it.