Specialized Hard Rock Sport mtb

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Jesper

Finally riding a big boys bike
I am being offered a bike for free from some left behind from the loss of a friend's brother. Out of a "Walmart" nearly new fake mtb, a very good condition Schwinn "newfangled" Varsity (alloy frame), and an old 70s/80s Panasonic sport "racer" (lugged steel frame, Shimano "Skylark" stuff); I thought that the Specialized mtb was the best bike for the buck (they are all free!).
I will post some photos of it (when able to), but, it seems to be in very good mechanical condition, and overall aesthetics aren't too bad for its age or presumed use.
Looks like a mix of steel and alloy parts; I guess a lower/entry level set-up for the components. From what I saw the group is Sun Tour/Dia Compe XCM (7 speed rear/3 speed front) with alloy seat post, steel bar and stem, and steel chainrings.
Although I am not familiar with the model; the frame seems to be of high quality construction and may have been the same CroMo frame used on higher end models with better components.
Appears to have been used more as a beach cruiser given the replacement saddle mounted to it.

Are these bikes considered any good? Is the XCM group worthwhile keeping on it for non-competitive riding?

I think it is early 90s (canti brakes, rigid frame), but I have not tried dating it via its serial number yet (when I locate it.)

It would seem to be a worthwhile frame to throw some basic upgrades on it if the SunTour/Dia Compe stuff wasn't up to par for my riding needs (pretty much flatland off-road, no major climbing/descents).
 

J-wagon

Wore out three sets of tires already!
Are these bikes considered any good? Is the XCM group worthwhile keeping on it for non-competitive riding?

I think it is early 90s (canti brakes, rigid frame), but I have not tried dating it via its serial number yet (when I locate it.)
Some of the early Hardrocks with araya wheels, bullmoose bars attract attention.
This one sounds more generic. Xcm 21-speed good enough for recreational riding as described. Suntour date code on derailleurs straightforward to decode here:
 

Jesper

Finally riding a big boys bike
Thanks @J-wagon
I had not had the chance to scrutinize the Sun Tour parts yet for codes, but I will do that when I get to it next weekend. I believe that all the components are original. I had not looked at the rims, except to note that they are alloy. Again, for $0 I can't go wrong, but I don't really want to do much more than to put on the type of tires I want and replace the saddle, bar and stem, and the chainrings. Maybe toss $100 into it for myself to ride; or just clean, service and sell as is for about $75-$100 (if it has that value?).
 

J-wagon

Wore out three sets of tires already!
or just clean, service and sell as is for about $75-$100 (if it has that value?).
I fixed curbside free blue specialized Rockhopper and sold for $60 (within hours), I kept the og bullmoose, the rims are og Saturae x28 (made by Ukai?).
1641980


I sold red 1980s (chainstay brakes) Hardrock for around $90 (during pandemic bike boom). Og Araya rims.
1641981
 

Jesper

Finally riding a big boys bike
Thanks again @J-wagon for the examples and general selling prices. I am hoping I will like it as a quality beater off-road bike. Would like to see it around 24-25 lbs if possible with alloy parts in place. A little touch-up paint (it's had some already) would do wonders other than a possible upgrade of parts. Tires are in very good condition, saddle sucks (condition, and type).

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Specialized HARD ROCK SPORT 5.jpg
 
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