Otero: I hate D[rew]i2 more than words can tell
06-11-23, 05:26 PM
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Otero: I hate D[rew]i2 more than words can tell
Those who've been around here for a decade might have an idea what's coming up given that thread title.
So a local friend - admittedly a flipper - picks up an Otero short wheelbase crit bike. "It was a good enough deal for the parts that were on it, but the owner said he modified it for Di2. That's when I realized he wrecked the frame."
So it *looks* fine...
...until:
Oh, and not only is this chainstay hole on one side, it's on the bottom too.
Apparently, someone thought this was an appropriate fix for a missing cable stop.
If the removal of paint pains you, it so happens that a lot of it is a cheap respray that happens to match the original pretty well. Nothing is particularly being lost by removing it.
Hijinks with the torch await.
-Kurt
So a local friend - admittedly a flipper - picks up an Otero short wheelbase crit bike. "It was a good enough deal for the parts that were on it, but the owner said he modified it for Di2. That's when I realized he wrecked the frame."
So it *looks* fine...
...until:
Oh, and not only is this chainstay hole on one side, it's on the bottom too.
Apparently, someone thought this was an appropriate fix for a missing cable stop.
If the removal of paint pains you, it so happens that a lot of it is a cheap respray that happens to match the original pretty well. Nothing is particularly being lost by removing it.
Hijinks with the torch await.
-Kurt
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Last edited by cudak888; 06-11-23 at 09:19 PM.
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06-11-23, 05:42 PM
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the forum had a thread on a quality model Otero road machine from the mid-sixties a few months back
https://www.bikeforums.net/classic-v...cup-issue.html
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the forum had a thread on a quality model Otero road machine from the mid-sixties a few months back
https://www.bikeforums.net/classic-v...cup-issue.html
-----
06-11-23, 05:55 PM
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that's terrible. somebody went crazy with their makita
/markp
/markp
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06-11-23, 06:35 PM
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Drillium!
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If someone tells you that you have enough bicycles and you don't need any more, stop talking to them. You don't need that kind of negativity in your life.
If someone tells you that you have enough bicycles and you don't need any more, stop talking to them. You don't need that kind of negativity in your life.
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06-11-23, 06:38 PM
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Oh dear. 
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● 1971 Grandis SL ● 1972 Lambert Grand Prix frankenbike ● 1972 Raleigh Super Course fixie ● 1973 Nishiki Semi-Pro ● 1979 Motobecane Grand Jubile ●1980 Apollo "Legnano" ● 1984 Peugeot Vagabond ● 1985 Shogun Prairie Breaker ● 1986 Merckx Super Corsa ● 1987 Schwinn Tempo ● 1988 Schwinn Voyageur ● 1989 Bottechia Team ADR replica ● 1990 Cannondale ST600 ● 1993 Technium RT600 ● 1996 Kona Lava Dome ●
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06-11-23, 06:42 PM
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Arguably worse than modifications made by the fixie crowd.
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06-11-23, 06:44 PM
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Di2 hackjobs are the new fixie hackjobs?
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06-11-23, 07:14 PM
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well I guess I won't show my latest project....
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06-11-23, 09:04 PM
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the forum had a thread on a quality model Otero road machine from the mid-sixties a few months back
https://www.bikeforums.net/classic-v...cup-issue.html
https://www.bikeforums.net/classic-v...cup-issue.html
I figured this thing deserved a better end than the scrap pile, so...if the Woodrup wasn't enough...
Will this bike make me Reverse Drillium Dude?
I wouldn't entirely call this a Di2 hackjob; I think it would have wound up hacked one way or another with that cable stop. Di2 had no bearing on someone mercilessly drilling out the stay for that cable stop; that looks as if it was going to happen Di2 or otherwise.
-Kurt
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06-11-23, 10:16 PM
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Definitely a lack of pageantry going on with those holes, opposite of, say, early Specialized Expeditions with holes at/near the BB and the lower head lug for rear-wheel-to-front-fender/end dynamo lighting. Modern bike frames built specifically for Di2 (these are often carbon) suffer the same sort of exclusivity (marginalization?) when it comes to being for sale. Mid-'80s Treks have a cable hole cut/formed at the BB end of the drive side chain stay and exit out the cast rear dropout. That's perfect, IMO, for routing a Di2 line without doing any structurally disapproved work in that sector of the frame.
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06-11-23, 11:25 PM
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I've got a frame that I need to remove all the extra braze-on parts on it that shouldn't be there. Very bad mismatch between the shifters and dropouts.
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06-12-23, 05:50 AM
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Definitely a lack of pageantry going on with those holes, opposite of, say, early Specialized Expeditions with holes at/near the BB and the lower head lug for rear-wheel-to-front-fender/end dynamo lighting. Modern bike frames built specifically for Di2 (these are often carbon) suffer the same sort of exclusivity (marginalization?) when it comes to being for sale. Mid-'80s Treks have a cable hole cut/formed at the BB end of the drive side chain stay and exit out the cast rear dropout. That's perfect, IMO, for routing a Di2 line without doing any structurally disapproved work in that sector of the frame.
-Kurt
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06-12-23, 07:45 AM
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Unthinkable and terrible
06-12-23, 09:09 AM
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I feel like I'm being trolled.
All of them. Any of them.
https://en.m.wikipedia.org/wiki/Stress_concentration
All of them. Any of them.
https://en.m.wikipedia.org/wiki/Stress_concentration
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I shouldn't have to "make myself more visible;" Drivers should just stop running people over.
Car dependency is a tax.
I shouldn't have to "make myself more visible;" Drivers should just stop running people over.
Car dependency is a tax.
06-12-23, 09:11 AM
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I feel like I'm being trolled.
All of them. Any of them.
https://en.m.wikipedia.org/wiki/Stress_concentration
All of them. Any of them.
https://en.m.wikipedia.org/wiki/Stress_concentration
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06-12-23, 09:21 AM
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The through hole on the chainstay is the issue. A singular hole for Di2 can be "gotten away with' , ideally it's reinforced (requires brazing), but going all the way through is the sin, in the manner it was done.
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06-12-23, 09:56 AM
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I've seen holes drilled for internal cable routing on a former CAAD10 of mine where it exited at the top of the chain stays nearer to the dropout, one for shifting (right stay) and one for the disc brake hose (left stay). There was reinforcement on each of those in similar form to internal top tube cable guides on steel bikes we've seen (as well as on this frame). It helped that the CAAD frames are not waifs. The size of the chain stay hole on this Otero in relation to the diameter of the chain stay at that point is what makes me a touch uneasy. Everything else looks fine enough to me, structurally. You plan to eventually send it along to someone else? [I am not asking this for me as the frame is much too small, and I have plenty on my plate already]
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06-12-23, 10:46 AM
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Consider a bicycle frame to be a cantilever bridge with each part between endpoints as a stressed member
When a body is on it, the whole unit supports that weight.
When part of that unit designed to be used as a unit is compromised that creates a failure zone.
Where that hole has been placed as well as the position of the hole is creating a weak point. unfixed the frame WILL break there.
When a body is on it, the whole unit supports that weight.
When part of that unit designed to be used as a unit is compromised that creates a failure zone.
Where that hole has been placed as well as the position of the hole is creating a weak point. unfixed the frame WILL break there.
Last edited by Schweinhund; 06-12-23 at 10:49 AM.
06-12-23, 12:08 PM
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I've had a chance to see one time trial example in person; roughly the same era as the short wheelbase Swiss cheese I'm working with here. They're nicely-built machines, and the "OterO" bicycle logo on the seatstay caps is a fun touch.
I figured this thing deserved a better end than the scrap pile, so...if the Woodrup wasn't enough...
-Kurt
I figured this thing deserved a better end than the scrap pile, so...if the Woodrup wasn't enough...
-Kurt
wrt the fun Otero crest:
it is interesting to compare it with that of Cyclo of France
IIRC the CyclePro line of house branded products also made use of this idea for an emblem - at least in the early days...
expect there may well be others have not seen or do not recall
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https://www.oterociclos.es/
Otero main
https://www.thebeautifulbicycle.com/...est-bike-shop/
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06-12-23, 12:49 PM
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Ah, I missed the hole going all the way through, that changes things.
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06-12-23, 01:03 PM
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You beat me to it.
Personally, I think this is a job for 650b modifications... put a cantilever boss on the chain stays...stopping power would be excellent!
Personally, I think this is a job for 650b modifications... put a cantilever boss on the chain stays...stopping power would be excellent!
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