During the 1990s, Specialized manufactured a series of mountain bikes that competed for market dominance. Specialised engineered the Rockhopper series, sturdy and light bikes with midrange components, best suited to intermediate rides. The Rockhopper series had two bikes in the Comp model: the Comp FS, with front suspension for tough cross-country trails and beginner downhill riding and the Comp, a rigid (no suspension bicycle). The Comp FS models originally retailed for about £455, and the Comp model sold for a little less, around £390.
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Weight and Size
The Rockhopper Comp came in five frame sizes (14.5 inches, 16.5 inches, 18 inches, 20 inches and 22 inches) and weighed 11.6kg. The FS model was a bit heavier because of its front suspension, at 12.2kg., and came in one less size (16.5 inches, 18 inches, 20 inches and 21.5 inches).
Frame and Fork
On the Rockhopper Comp, the frame and fork were made of the same material (chromoly, which was designed to be tough and light). The Comp FS has the same frame at the Comp model, but its front fork is replaced by a suspension fork. The stock fork on the FS model was the Specialized Future Shock Sport.
The wheels on both models are almost identical. Both bikes have the same hub and rim set (a Shimano STX SE hub and Specialized Z-23, 32 spoke rims). The only difference was the stock tires. The Comp model came with Specialized Ground Control tires, and the FS came included with the slightly more specific Specialized Shockmaster tires, designed for better grip in conjunction with the front suspension.
The mechanical components on both models are very similar, though some components on the Comp FS are a bit more advanced. Both models feature a seven-speed rear cog, with a small gear of 11 teeth and a big gear of 28 teeth. The cranksets are identical too, with Shimano STX SE gears of 24, 32 and 42 teeth. Both bikes had aluminium handlebars with alloy bar ends.
The Comp model was set stock with Shimano STX SE components for brakes, brake levers and front and rear derailleurs. It featured rapid-fire shifting with an optical display for indicating the gear.
The FS model used Dia-Compe PC-5 with Shimano Alivio brakes and levers. Instead of the Comp's rapid-fire shifters, the FS used Grip-shift technology.
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