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$5 Peugeot Triathlon - Reynolds 501/Shimano 105 7sp -- in the workshop

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$5 Peugeot Triathlon - Reynolds 501/Shimano 105 7sp -- in the workshop

Old 04-13-15, 09:30 PM
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$5 Peugeot Triathlon - Reynolds 501/Shimano 105 7sp -- in the workshop

A buddy from down the street -- another Cub Scout dad -- texted me and asked if I Was around. I knew it meant that he'd be showing up with his garage sale Pugeot.

I thought it would be a basket case not-worth-fixing pug like the rusty Mixte hanging in my garage, but I first saw the Celeste blue of a Reynolds 501 sticker and then the 105 group. (1st gen bio pace...) It had clearly done hard time in a damp dusty basement on a trainer, but what a perfect bike to get someone into riding!

In two plus hours, we sanded the worst rust and touched it up, cleaned 30 years of grease off, pulled and overhauled the BB, (the spindle is hopelessly brinelled) removed the crap from the bars, cleaned and oiled the chain, removed surface rust from the front wheel spokes, threw on a new tube, refreshed the brake pad surfaces and switched out the 105 pedals for the old rat traps from my mother's Atala (my first road bike...)









These were the before pictures. She still looks rough, but rides pretty nicely. Going for a shakedown cruise on Wednesday!
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Old 04-13-15, 10:00 PM
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good man to help with the service, lets see some after photos. What merit badge comes with fixing up a Peugeot?
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Old 04-14-15, 06:07 AM
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Rear rack and aerobars? Not chic but definitely utilitarian...
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Old 04-14-15, 06:24 AM
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Old 04-14-15, 09:11 AM
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The rack stayed, the aerobars and 105 pedals went. I did not spend much time getting the oxidation off the crankset. The grease that ran down the fork from the headset is kind of baked in.

So the "after" pictures aren't going to be all that amazing.

I'm now thinking that it's a 24tpi english BB, and can replace the whole thing with one of the sealed jobs I have sitting around.
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Old 04-14-15, 10:10 AM
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Originally Posted by Standalone View Post
The rack stayed, the aerobars and 105 pedals went. I did not spend much time getting the oxidation off the crankset. The grease that ran down the fork from the headset is kind of baked in.

So the "after" pictures aren't going to be all that amazing.

I'm now thinking that it's a 24tpi english BB, and can replace the whole thing with one of the sealed jobs I have sitting around.
There's an excellent chance of that. Can't wait to see the "after" pics!
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Old 04-14-15, 10:16 AM
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Originally Posted by ThermionicScott View Post
There's an excellent chance of that. Can't wait to see the "after" pics!
It's a nicely put together frame. Simplex forged dropouts, attractively finished seat stays at the seat cluster, very nice modern fork crown. I like late 1980's bikes quite a bit. We'll have to wait until I take my buddy out for a ride tomorrow. Will snap some action shots.
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Old 04-14-15, 10:18 AM
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Best $5 bike I've seen in a while.
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Old 04-14-15, 10:20 AM
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Given the late 1980's paint, definitely no French threading on that bike.

Hardened grease can be cleaned up with goof off, the canned version not the plastic bottle.
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Old 04-14-15, 04:37 PM
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Originally Posted by Standalone View Post
overhauled the BB, (the spindle is hopelessly brinelled)
Always heartwarming to hear about a nice but neglected bike eventually finding its way into caring hands.
Are you sure the failure is brinelling? That would be a little unusual for a BB spindle. Properly speaking, brinelling is indentation of the BBs into the races due to extreme momentary overloads.
Other possible failure modes are
  • false brinelling (frequently seen on head sets, especally cheap ones, caused by continuous cyclic loading within the normal load range on a roller bearing system that stays nominally in one position; can be exacerbated by inadequate lubrication and/or contamination. This too would be unusual to see in a bottom bracket spindle.
  • fatigue - this results from cumulative damage from use exceeding design life expectancy of the bearing system, from too many cycles and/or sustained excessive loads, in any conceiveable combination. This is not unheard of in a bottom bracket.
  • simple corrosion, due to ingress of moisture and no corrective action for a long period of time. This is the most likely failure of a bottom bracket spindle, especially in the case of this particular bike, given the history.

When I say "failure", I mean in a manner as insinuated in the OP, i.e. the bearing surface becoming roughened to a degree precluding further use.
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Old 04-15-15, 12:25 PM
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"Hopelessly" meaning it looks like hell but was made "rideable." The cranks feel crunchier than I'd like them to after cleaning and re-greasing, but we just did a thirty mile ride (my friend's first road ride) and things were "fine."




it's time for a new one and new bearings.

looked a bit like this, only worn more in line-- this one looks like it was also loose... https://www.bikeforums.net/classic-vi...l#post16102012
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Old 04-15-15, 09:41 PM
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after.
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Old 04-15-15, 10:49 PM
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Nice job! Feel good about yourself, dads taking care of dads
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Old 04-16-15, 04:47 PM
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Originally Posted by Standalone View Post
"Hopelessly" meaning it looks like hell but was made "rideable." The cranks feel crunchier than I'd like them to after cleaning and re-greasing, but we just did a thirty mile ride (my friend's first road ride) and things were "fine."
BTW, any incipient failure of a roller bearing system will quickly become a runaway failure, if operation continues, leading to destruction of all the components, high friction & noise, looseness, and possibly catastrophic failure of a spindle/axle. Before that happened, however, I would expect the bike to become unrideable.



it's time for a new one and new bearings.

looked a bit like this, only worn more in line-- this one looks like it was also loose... https://www.bikeforums.net/classic-vi...l#post16102012
If the damage is somewhat evenly distributed around the race, it is most likely fatigue. Corrosion damage tends to be localized, and normally not very deep.

Last edited by old's'cool; 04-16-15 at 04:52 PM. Reason: incipient-runaway
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Old 04-16-15, 05:46 PM
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That looks like a very fine ride! I really like that vintage of Pug...
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