MAVIC 820 shift control levers - braze-on mount - retro-friction type design - aluminum alloy composition with anodized clear coat - model 820 ... [USED - perfectly functional, with only minor evidence of cosmetic compromise - while the lever handles and mounting plates themselves are near perfect in their appearance, this is the slightest degree of chamfering to be found on the slotted heads of their adjustment screws - suitable for braze-on mounting or even clamp-on if you adapt them to something along the lines of a Simplex Prestige or Criterium downtube clamp - generally acknowledged as the best down tube friction shifters ever marketed to the general public, the version seen here are basically post 1977 “open hoop” second edition Simplex Super Lucien Juy (SLJ) retro-friction alloy shift levers absent the word "SIMPLEX" which would normally have been proudly emblazoned across their facing - in actuality, Simplex licensed these units for OEM use in conjunction with several other component manufacturer and/or manufacturer group offerings such as those once sold under the brands Spidel, Galli, Gipiemme, OFMEGA, and in this particular instance, MAVIC]