How to overhaul vintage mountain bike headset bearings
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- čas přidán 4. 06. 2021
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In this video I’m going to explain how to overhaul a vintage mountain bike headset and its bearings.
I was lucky enough to be able to buy a Koga Miyata Skyrunner Carbolite. But, as is often the case with bikes which are 3 decades old, the bike is in need of some love.
The bike is from 1991 and comes with a for the time top-of-the-line Shimano Deore XT groupset, including the headset we’re going to look into.
The previous owner said the headset had issues. When I came to pick up the bike he told me a bearing had split, and his father had removed it.
I had never heard of something as a split bearing. And as it turned out this wasn’t the case. So I’m not going to repair a caged bearing. But I am going to give you a couple of pointers when overhauling a vintage mountain bike headset yourself.
I've also written a blog post with more information. If you want to read this article go to www.restoration.bike/bike-rep...
Visit my website for more bike restoration tutorials: www.restoration.bike/
Instagram: / restoration.bike
Music is from the CZcams Audio Library
Song is "Bonfire" from An Jone - Jak na to + styl
Perfect explanation for a novice like me. I really appreciate it. Subscribed.
Thanks for the sub!
These videos are great bro , very helpfull and informative thank you
Glad you like them!
I have a 91' Giant bought new, just like this setup😮😂❤
thanks for uploading this!
omg you have the volvo bike! what a gem! (huge Volvo fan)
this is perfect thank you
What about the bottom headset bearings? While having the top headset cup removed, pull out the fork and you'll find the second caged bearing set that needs to be serviced too. Also, on the bike that old it might make sense to replace the ball bearings instead of reusing them.
The bearings were fine. There was an ample amount of grease on them when I opened them. No signs of rust or damage except for the fact that someone had tightened them to the point they had left dents in the crown race. I could've done the bottom and shown it but I'm not looking for work I don't think needs to be done. And once you've seen how the top looks, the bottom is basically the same.
Quick questions. You recommend white spirits for cleaning purposes. Are there any areas of the bike this cleaning option is NOT recommended? Also, for engines, many recommend using gasoline. Is this an acceptable substitution?
Anything that's not metal I wouldn't clean with white spirit. That means grips, tires, decals etc. But as far as I know white spirit doesn't have a negative impact on hard plastic like shifters and cables, and frame paint as well. I recently cleaned sticky shifters by submerging them into a jar of white spirit. Worked like a charm. I don't have any experience with cleaning engines.
yeah! 💪
white spirit aka paint diluter. In my country we have many types of paint thinner. I assume as long as it's for alkydic paints, or general purpose i can use them .
correct
Can auto brake cleaner be used? I imagine it would work about the same
Thank you❤
You're welcome 😊
how many ball bearing should i used in a traditional headset that has 25.4mm fork diameter? Is it 20pcs or 16pcs ball bearing?
I don't know, but the answer is "as much same-size bearings as you can fit in there, side-by-side"
@@restorationdotbike thanks
Great video! What are the measurements for your headset? 1” or 1-1/8”?
Considering its age, it's probably a 1"
Isn't there bearings at the bottom of the stem?
Yes