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  1. Thread: Old Rockhoppers

    by dddd
    Replies
    116
    Views
    18,884

    1985 was the year the RockHopper was rolled out,...

    1985 was the year the RockHopper was rolled out, as one level below the StumpJumper Sport (and at $400 vs. $500).

    The following year, 1986, the Sport model was dropped, and the RockHopper acquired...
  2. Replies
    7
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    223

    I recall seeing a Huffy funnybike in that exact...

    I recall seeing a Huffy funnybike in that exact color scheme. I believe it's still at a nearby town's only bike shop, on display up high so I will have to wear good glasses to get a proper good look...
  3. Module-E and the colored G-40 were the earlier,...

    Module-E and the colored G-40 were the earlier, narrower ones with a more rounded profile.

    When the cross-section was revised to the wider, more squared profile, the silver and dark versions were...
  4. Noting that Matthauser's literature warned about...

    Noting that Matthauser's literature warned about the possibility of salt corrosion compromising the "aluminum/glue interface".

    At least that one aspect of the bonding concerns is likely visible...
  5. Replies
    27
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    532

    There were Reynolds 753 steel-maintube Techniums...

    There were Reynolds 753 steel-maintube Techniums with aluminum lugs, as well as the common aluminum-maintube Techniums with steel lugs!

    I've not heard of any of the Technium bikes having frame...
  6. Replies
    17
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    276

    I agree that since all spokes have 100% of their...

    I agree that since all spokes have 100% of their tension applied through their threaded section that additional threading cannot weaken them more than statistically, i.e. knowing that the threading...
  7. One note about using abrasive processes on...

    One note about using abrasive processes on aluminum:

    Airborne aluminum is a potent neuro-toxin that causes permanent neurological damage.

    Wet-sanding and/or high-efficiency exhaust evacuation...
  8. Replies
    17
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    346

    I suspect that at some point, all of today's...

    I suspect that at some point, all of today's cable vendors have switched from lead to a zinc-based "pot metal" alloy.

    I have filed many of them down, and the rate of cut along with the coloration...
  9. Replies
    13
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    309

    These bearings aren't sealed, so grease (once...

    These bearings aren't sealed, so grease (once enough has been expelled to stop the churning action) will provide a barrier to the ingress of dirt.

    And as J T CUNNINGHAM mentioned, grease provides...
  10. Replies
    23
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    389

    Chas, you are THE Simplex expert. I can...

    Chas, you are THE Simplex expert.

    I can recall struggling to get climbing gears to work with certain of the drop-parallelogram derailers, both Suntour's and also certain of the Simplex-built...
  11. Replies
    30
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    555

    Good point. When I measure freewheels for...

    Good point. When I measure freewheels for "width", I also take a "depth" measurement off the back side of the big cog to where the freewheel's inner body contacts the surface at the base of the...
  12. Replies
    24
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    527

    I often just lay the bike on it's side and apply...

    I often just lay the bike on it's side and apply thick oil to the spindle/cup interface, allowing the few drops time to sink into the bearings depending on how cold it is.
    Don't move the cranks...
  13. Replies
    30
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    555

    Any photos possible of the clearance area?

    Any photos possible of the clearance area?
  14. Replies
    25
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    672

    It has always amazed me that objects are heralded...

    It has always amazed me that objects are heralded as "art" in a positive sense, when what they firstly accomplish is to destroy the functionality of the functional object they are patterned after.
    ...
  15. Replies
    30
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    555

    I have measured and compared several key...

    I have measured and compared several key dimensions onSunrace, Shimano and Suntour freewheels, and found only slight differences, never enough to cause me any problems that I can remember.

    I...
  16. The only thing left that I can think of, and that...

    The only thing left that I can think of, and that hasn't been mentioned, is relaxing the springs at the caliper.

    I've noted a seemingly disproportionate improvement in braking responsiveness after...
  17. Replies
    58
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    1,099

    I think someone touched on this already, but the...

    I think someone touched on this already, but the way some bikes steer (the way that the steering behavior magically keeps the bike centered under the rider without inducing tire scrub) makes for an...
  18. Replies
    58
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    1,099

    Is that from this thread? Can you perhaps cite...

    Is that from this thread? Can you perhaps cite what anyone said to this effect?

    Regardless of geometry, one is free to set the saddle and handlebar positions just about anywhere, using the right...
  19. Replies
    58
    Views
    1,099

    Horizontal dropouts usually work fine, but when...

    Horizontal dropouts usually work fine, but when wheel suppliers started using aluminum locknut grip surfaces, these won't bite into dropouts like hardened steel toothing does.
    I've had a couple of...
  20. Replies
    41
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    650

    Without correlating any specific tires and sizes...

    Without correlating any specific tires and sizes to actual observations in this regard, I will note that it is the tension in the tire casing that pulls a bead up and over the edge of the rim.
    And...
  21. Good point, LOL how did we miss that? ...

    Good point, LOL how did we miss that?

    As far as "rubber" deteriorating, remember, these ain't rubber (they're urethane). I strongly doubt that urethane can be vulcanized, as I...
  22. Replies
    32
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    685

    Unless the standover height is literally at the...

    Unless the standover height is literally at the bones, It looks like some minor tweaking of the saddle fore/aft might get the reach dimension just where it needs to be. At least there will be no...
  23. Replies
    287
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    37,625

    Is that a picture of the bike that you fitted an...

    Is that a picture of the bike that you fitted an aftermarket carbon fork on?

    How did the frame's handling respond?

    Your "Here" text, was that intended to be a hyperlink? Just wondering, in part...
  24. Replies
    41
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    650

    Straight-seated tire beads are usually the key,...

    Straight-seated tire beads are usually the key, even if it takes perhaps an extra wrap of rim tape laid wall-to-wall to take up any remaining unwanted slack (on certain specific rims only).

    Many,...
  25. Replies
    25
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    552

    Your craftsmanship came through, no doubt. Looks...

    Your craftsmanship came through, no doubt. Looks very, very round, and the Steyr "precision steel" took it all in stride.

    What size seatpost will you now be using? I guess I'd be looking for...
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