We recently discovered this incredible throwback video covering a Repack downhill race in the early 1970s. In case you skipped mountain biking 101, The Repack downhill race, founded by Fred Wolf and Charlie Kelly 1976, is now touted as the first downhill time-trial race. The race earned its name from the need to repack the single rear hub break on the vintage balloon tire "klunkers" after the 2.1-mile, 1,300-vertical-foot drop on an old dirt road in Marin County.
Video: I'd Rather Be Klunking
Video: I'd Rather Be Klunking