Before I tear something up
02-09-23, 11:15 AM
#1
Junior Member
Thread Starter
Before I tear something up
This is an older Puch 12 speed. The BB is rough and I want to service it. Can someone tell me if the locking ring and adjusting nut on this are normal RH threads? The opposite side had 2 large flats on it. Is this side RH or LH threads? Thanks!
02-09-23, 11:27 AM
#2
Really Old Senior Member
The DS should be LH and the NDS should be RH.
If you just cleaned off the dirt, you should be able to run a finger nail in the threads (or just look) and see which way they go on the NDS.
If you just cleaned off the dirt, you should be able to run a finger nail in the threads (or just look) and see which way they go on the NDS.
02-09-23, 11:38 AM
#3
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The early 70's Puch I had used an English BB. Yours looks later, and I'd be surprised if they went to something else. That should be right hand thread.
02-09-23, 12:19 PM
#4
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Use penetrating oil before.
a good lockring wrench will help also, but don't know which one other than a hook will fit
I find that tapping the wrench with hammer helps break loose....most lockrings, once they move a little are easy to get off the rest of the way IME
a good lockring wrench will help also, but don't know which one other than a hook will fit
I find that tapping the wrench with hammer helps break loose....most lockrings, once they move a little are easy to get off the rest of the way IME
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Life is too short not to ride the best bike you have, as much as you can
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Life is too short not to ride the best bike you have, as much as you can
(looking for Torpado Super light frame/fork or for Raleigh International frame fork 58cm)
02-09-23, 12:26 PM
#5
Junior Member
Thread Starter
Thanks to all. I don't have any specialty tools for this. Ended up using a pipewrench on the ND side. I tried a punch first and it wasn't moving and was distorting the notches so I opted for the pipewrench and it came off pretty easily. I ended up using a crescent wrench with a sharp blow to get the drive side (which WAS LHT).
02-09-23, 12:30 PM
#6
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Thread Starter
Yes, I figure maybe 90's. Headbadge say Made FOR Puch. The decal at the base of the seat tube has worn away, but the last letter of the "Made in" is an "N" so I assume Taiwan.
02-09-23, 04:40 PM
#7
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For English threaded bottom brackets, left is right and right is wrong. For pedals, the right is right and the left is wrong.
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Stuart Black
Plan Epsilon Around Lake Michigan in the era of Covid
Old School…When It Wasn’t Ancient bikepacking
Gold Fever Three days of dirt in Colorado
Pokin' around the Poconos A cold ride around Lake Erie
Dinosaurs in Colorado A mountain bike guide to the Purgatory Canyon dinosaur trackway
Solo Without Pie. The search for pie in the Midwest.
Picking the Scablands. Washington and Oregon, 2005. Pie and spiders on the Columbia River!
