1990 Trek Catalog This is an extract from the 1990 Trek Catalog. It contains details on the three steel-framed road bikes that Trek made this year: models 330, 420 and 520. Pages 5 and 6 contain the specs for these bikes as well as those for the other road bikes Trek produced in 1990. Page 5 contains half of the specs for a particular bike. The specs for each bike are continued on page 6. Pages 7 and 8 contain the specs for 1990 Mountain Bikes and Multi-Track bikes. Page 7 contains half of the specs for a particular bike. The specs for each bike are continued on page 8. Page 9 contains the geometry of the mountain and multi-track bikes. Page 10 contains the geometry of the road bikes. All of the pages can be enlarged to see more detail.