This bike uses Reynolds 531 tubing and a mostly
Suntour XC component group. The components on this particular bike
are mostly original with some period correct "upgrades". The
pedals were changed from the plastic MKS Grafights to the the Shimano
alloy pedals and the bars upgraded to a Nitto bar (with the same shape).
The crank is from Specialized. Could you imagine Trek using
Specialized branded parts today? Trek continued to use the solid
rear axle since there were concerns about the quick release axles
withstanding the abuse of off-road riding.