90s Trek MTBs - Steel frames, rigid forks, 26" wheels

Acronym for all terrain bike.

Trek's exclusive fork design.

A tube having different wall thicknesses along its length, while its diameter remains constant.

Low alloy steel with a medium carbon content, that gets its name from the primary alloying elements, chromium and molybendium. It has an excellent strength to weight ratio and is considerably stronger, harder more durable than mild carbon steel.

Trek's exclusive fork design using taper gauge tubing and provides a blade with more elasticity for better shock absoption.

The thickness of the tube at both ends is thicker than in the centre.

Shifting system, where part of the handlebar grip rotates back and forth, clicking into each gear.

Low alloy steel that can withstand significant stress before breaking or becoming deformed. The term 'tensile' refers to the amount of stress a material can endure before failing.

Steel tubing connected with socket-like sleeves, called lugs.

Shimano's multi-condition brake system with specialized shoes, levers and cables designed for enhanced stopping power in rain, mud and snow.

A house brand for Trek during the 80s and early 90s.

Optimal Dimension; Trek's large diameter, thin wall tubing design.

Oversize; Trek's large diameter, thin wall tubing design.

Shimano's oversize hub system designed to minimize wheel flex.

Shimano's under handlebar, two-finger shift system, giving riders the ability to downshift more than one gears in one stroke.

Brake lever system that lets riders adjust braking power modulation.

Shimano Integrated Shifting. Shift mechanism indents control cable advance for quick, precise gear changes without over-shifting.

Shimano Linear Response. Friction reducing levers, cables and calipers.

Japanese steel tubing manufacturer for bicycle frames.

A tube having a maller diameter at one end and a larger diameter on the other end.

Tungsten Inert Gas welding is an arc welding process that produces the weld with a non-consumable tungsten electrode.

Trek-designed components. The higher the number ona given component, the higher its performance level.

Three different wall thicknesses along the length.

American tubing manufacturer.

Special all-terrain tubing, developed to withstand demands of off-road cycling.

A lighter weight version of the AT frame set, featuring a triple-butted down tube.

Zero Excess; Trek's guiding principle of making stronger bikes with less material.