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New old bike, few questions.

Road Cycling “It is by riding a bicycle that you learn the contours of a country best, since you have to sweat up the hills and coast down them. Thus you remember them as they actually are, while in a motor car only a high hill impresses you, and you have no such accurate remembrance of country you have driven through as you gain by riding a bicycle.” -- Ernest Hemingway

New old bike, few questions.

Old 04-26-09, 07:54 PM
  #1  
mzeffex 
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New old bike, few questions.

Hey how are you? :]

I just got a what I think is an '82 lotus grand prix luxe. I know there is not much about this brand so the questions are not specific to this brand but more about old road bikes.

Question one: Could I replace the brake levers (which have extensions so you can use it while riding the flat part on the top) and the stem shifters with STI brifters? It has a suntour drivetrain, 6/2 speeds.

Question two: How to change a tube?? As stupid as this may sound, I don't know. I'm used to quick release levers on my hardtail mtb, and the last time I tried changing a tire with bolts I couldn't get the wheel back on. Ever. So on here it has rear bolts, and it needs a new rear tube. The derailleur seems to be bolted to the wheel? Maybe I'm wrong, but it looks like when I take off the rear wheel the derailleur will come off with it. What???

Question three: Can I replace the bolts with a quick release lever?

Question four: Tires = dry rotted as hell. What will be the result of not replacing them?

Thanks for your time
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Old 04-26-09, 08:52 PM
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Steev
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1. You could, but, you will need to replace most, if not all the drive train, and the rear wheel as well. You will also need to cold set (bend) the chain stays out to accept the wider rear wheel. It will cost more than you probably paid for the bike. Maybe consider bar end shifters and new aero brake levers.
2. Search around Youtube, you'll find videos there to show how to change a tube. The derailleur is held by the wheel nut, but also has an extra small retainer at the back of the drop-out so it doesn't fall out during a wheel change. Other than using a wrench to do up the nuts, there's no difference removing and replacing a wheel with bolted or quick release axles.
3. You can, but due to different threading on the axles you will need to get new bearing cones as well. A new wheel may be a better choice.
4. The result could well be a blow-out while riding. Replace the tires.
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Old 04-27-09, 05:25 AM
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Hey man thanks for answering all the questions in one. Good advice!
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Old 04-27-09, 07:10 AM
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Unless that frame is something extra special, you're better off buying a different bike with the components already there. I routinely see good quality older bikes with relatively new components for $300 at my LBS.
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Old 04-27-09, 06:39 PM
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I got the bike, and it rides beautifully. Just put a new rear tube in there, all it needed. Oh, and some new bar tape. Wonderful
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