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What to do?! Klein Quantum II

Old 04-13-16, 08:28 AM
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jpshoe
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What to do?! Klein Quantum II

Hey folks,

A little story behind this bike. My Dad bought it new in 1995 and rode it for less than a full season before blowing out his knee and stopped road racing. He gave me the bike in 2005 after sitting hanging in my brothers old bedroom for the better part of a decade. A quick wipe down and some air in the tires and it was good to go. I rode it for a year or so before upgrading to a new bike. Fortunately, it's my size and I decided it was time to give it the TLC it deserves. It is in absolute pristine condition. Not a single scratch on the frame. I keep looking at the thing saying "oh i'll upgrade this!" only to see that it's completely unnecessary because of the great condition. So far all I have done is put on a new chain. I have some cash I'm willing to put in it, maybe some wheels. I was thinking of upgrading to a new 105 groupset overhaul since, while it is low mileage, some of the parts on here are looking a little rough. Definitely some new tires (these are the original ones he had on, sat indoors forever but I'm not about to ride around on 20 year old tires). Anything I should look for on a bike that's sat around with very little use for the last 20 years? I have a few months off before I go back to school and I thought this would be a fun project for me, but it's kind of hard to come up with stuff to do to such a clean bike. I'm not planning on doing any serious riding with it, just something to mess around on when I don't feel like riding my commuter or road bike. Selling it isn't an option either, a lot of sentimental value to it.

Thanks,
Joel

oh yeah pictures!!!
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Old 04-13-16, 08:39 AM
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DMC707
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. Ditch the colored tires and get some black walls. It already has nice wheels that are era correct for the bike, but if you want to preserve those, source a set of 105 8 speed hubs and have them laced to a set of Open 4 rims

some bikes just dont need much. That bike will outperform 90% of the new bikes sold today

i'm a fan of keeping things fairly close to era correct on an older bike when i can
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Old 04-13-16, 08:53 AM
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jpshoe
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Originally Posted by DMC707 View Post
. Ditch the colored tires and get some black walls. It already has nice wheels that are era correct for the bike, but if you want to preserve those, source a set of 105 8 speed hubs and have them laced to a set of Open 4 rims

some bikes just dont need much. That bike will outperform 90% of the new bikes sold today

i'm a fan of keeping things fairly close to era correct on an older bike when i can
I love the rims for this bike, and since I'm not going to be doing anything crazy, I'll keep them for now. Tires are first on my list, the red is terrible haha. Maybe a new saddle in the future, this is the original on here and it's pretty rough. I agree with you, I would love to keep it as close to original as possible!!
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Old 04-13-16, 09:06 AM
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You might want to overhaul the headset and bottom bracket or get your LBS to do it. Put some new tires and then proceed to ride it as much as you can. Have fun.

Last edited by texaspandj; 04-13-16 at 12:05 PM.
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Old 04-13-16, 10:20 AM
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Those wheels have asploded .. I Would not lock the bike up on the street, ever.
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Old 04-13-16, 10:35 AM
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jpshoe
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Originally Posted by fietsbob View Post
Those wheels have asploded .. I Would not lock the bike up on the street, ever.
Yeah I know about the asploding wheels. These aren't the first generation ones though so they're a little less likely to send me to an early grave. And no, I will never even look at a bike rack with this thing or take my hands off of it when riding around.
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Old 04-13-16, 10:56 AM
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have some reliable spoked wheels built.
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Old 04-13-16, 11:10 AM
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I'd definitely get a new set of wheels. Also, if it has been twenty years since the brake pads were replaced I would get a couple new sets. Otherwise looks great!
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Old 04-13-16, 11:33 AM
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Ride the heck out of it. Maybe take it in to a shop, but only after a good hard year of riding -- I doubt the grease in the bearings in a quality bike like that need overhauling, especially after living untouched in a climate controlled room, and a year of good road experience will bring you into the shop better informed about upgrades you may want.

Right now, it's fine. I would only worry about the wheels if I were a heavy guy. Well, I kind of am...
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Old 04-13-16, 11:41 AM
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Originally Posted by Standalone View Post
Ride the heck out of it. Maybe take it in to a shop, but only after a good hard year of riding -- I doubt the grease in the bearings in a quality bike like that need overhauling, especially after living untouched in a climate controlled room, and a year of good road experience will bring you into the shop better informed about upgrades you may want.

Right now, it's fine. I would only worry about the wheels if I were a heavy guy. Well, I kind of am...
This. I think that's what I'm leaning towards. I'm pretty experienced but I just don't know what purpose I have for this bike right now. I have a road bike, a commuter, a mountain bike, a hybrid, and now this. For now it will be my weekend fun bike I suppose. Gonna pick up some tires today, and go for a ride later. Probably needs a good tune up but for now, I'll just wait and see!
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Old 04-13-16, 12:07 PM
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Sounds like a good plan to me.
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Old 04-13-16, 12:26 PM
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There may come a day, or it may be here, when that bike is valuable as a desired piece of history particularly because it's in such good shape and has all the original equipment. You might consider retaining the old original parts like tires and brake pads and such. I'd repack all the bearings or replace cartridges, brake pads and such, check for trued wheels and such. No idea if this is a valuable collectors item ...
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Old 04-13-16, 06:52 PM
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Tires. Brake pads. Maybe a new saddle of your choice.. Ride. That's a sweet bike.
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Old 04-13-16, 07:01 PM
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jpshoe
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Originally Posted by digibud View Post
There may come a day, or it may be here, when that bike is valuable as a desired piece of history particularly because it's in such good shape and has all the original equipment. You might consider retaining the old original parts like tires and brake pads and such. I'd repack all the bearings or replace cartridges, brake pads and such, check for trued wheels and such. No idea if this is a valuable collectors item ...
I'll definitely keep that in mind. I have all the original paperwork, brochures, receipts everything too. But like I said earlier, I'm keeping it for a long time

Originally Posted by BoJaffa View Post
Tires. Brake pads. Maybe a new saddle of your choice.. Ride. That's a sweet bike.
Yeah original saddle is shot ten times over haha! Thanks!
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Old 04-13-16, 07:58 PM
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The finest aluminum road bike ever made.

I had 2 Quantums, an '89 and a '95, miss them.
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Old 04-14-16, 02:27 PM
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I'd ride it for sure. I'd love to own a Klein Quantum.
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Old 04-15-16, 10:16 PM
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Other than new tires and any needed maintenance, just leave it as-is and ride and enjoy! IMO, one of the finest bikes ever made.
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