I.R.D. (Interloc Racing Designs)

Interloc Racing IRD Switchback Cantilever Brakeset w/ Tubular Booster & Straddle Cables: Black - 1st Gen Not Drilled - Linear Pull Setup (Near Mint)

Rare early version of the Interloc Switchback brake.  It was introduced in 1989, and somewhere in the early 1990's they added three holes to each arm. This is  a full front and rear setup...