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rest in peace old, stolen bike...long live new bike....but just a tiny question first

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rest in peace old, stolen bike...long live new bike....but just a tiny question first

Old 10-07-11, 07:47 PM
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chanamagoo
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rest in peace old, stolen bike...long live new bike....but just a tiny question first

My bike recently got stolen (barbarians...) and I worked together with my LBS to build a new bike! Buying an old Panasonic frame they had on the wall for a whopping $75 allowed me to splurge a little on the components...it's purple with white deep vs, white saddle, and white crank...so pretty... As soon as I figure out (orrrrrr someone tells me?) how to post pics on this forum, I will!

Quick question though...I literally JUST took it home from the shop, (they were working until after closing so that I could take it home tonight. I heart them.) and as I was riding up the hill to my apt, all of the sudden it felt like the chain snapped (even though it didnt...I just didnt know how else to describe it...) and my pedals were moving, but I definitely was not. It's a Sturmey Archer 3-speed Internal flip flop hub that's set up as a free wheel...I know VERY little about bikes, but from what I can see, nothing came loose, the chain is still in-tact and where it should be....

Unfortunately, I cant take it back to the bike shop tonight and was REEEEEEALLY hoping to commute with it tomorrow morning...is this a quick fix (or even a slow fix!) that I can do on my own? Anyone know what might be wrong with it?
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Old 10-07-11, 07:54 PM
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Sounds like the chain slipped. Are the freewheel and chain new or used? If they are worn that could be the cause.
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Old 10-07-11, 07:56 PM
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Hi matimeo...everything except for the the frame is new...the chain looks like a chain is supposed to look - around the big one in the front and the little bitty one in the back...is it possibly something internal?
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Old 10-07-11, 08:10 PM
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So it sounds like you had it flipped to the single speed side?

It could be several things or one I am not thinking of.
1. Could be the chain is the wrong size
2. Sometimes when a freewheel is installed the mechanic doesn't tighten it all the way by hand since it will tighten itself when first ridden under a load. Did it make a grinding or metal on metal sound or just slip? If the latter is true and it only happened once it could just be that theand freewheel tigtened up and you don't have anything to worry about. I would ride tomorrow and just see what happens.
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Old 10-07-11, 08:15 PM
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Hmm...I dont think the chain is the wrong size, but if that's the case I'll have to take it in since I dont have a chain adjuster tool thing.

When I was riding, it suddenly felt like it does when the chain snaps...all the sudden your riding along, then...you're not...the pedals are flying around, but you're not going anywhere. Right now when I spin the pedals, its like it's not catching or something...the chain moves, the wheel doesnt - I dont think its rideable right now. I'll take it in tomorrow when I get back from work...thanks for the feedback though! Unless you can think of something else?
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Old 10-07-11, 08:19 PM
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Now I see- after it slipped it wasn't powering the hub anymore. Have you tried flipping the wheel and seeing if the other side works? Sounds like the freewheel broke or something. Probably nothing you can fix yourself but the other side might work.
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Old 10-08-11, 05:53 AM
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Originally Posted by chanamagoo View Post
... and my pedals were moving, but I definitely was not. It's a Sturmey Archer 3-speed Internal flip flop hub that's set up as a free wheel...I know VERY little about bikes, but from what I can see, nothing came loose, the chain is still in-tact and where it should be....
I am a little mystified on the type of hub you have because I have never heard of this hub (but maybe it exists). The most likely guess is the 3 speed hub somehow got screwed up. The pawls are not engaging in the SA hub. Do a quick google search on SA hubs. If this hub actually exists, someone can enlighten me.
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Old 10-08-11, 09:38 AM
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Hi blakcloud...I think it might be a new thing because when my bike guy was looking up various hubs and saw this one, he said something to the effect of "Huh...that's weird..."

And for all those who have been waiting on baited breath for the answer to this probl I've been having, I THINK I might have figured it out...I hopped on my bike to coast downhill to the train station (no pedaling involved, really...) and out of habit did one pedal stroke and found that it did, in fact, engage the bike...

So what I think is happening is that I am not used to bar end shifters nor am I used to only having 3 gears...I think I shifted one too far and it caused something on the inside to disengage...does this sound like something that might happen? Or maybe a better question is, did my explanation of the 'solution' make sense? I'll have to get confirmation from my LBS, but it's definitely rideable for now.

Last edited by chanamagoo; 10-08-11 at 09:47 AM.
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Old 10-08-11, 09:46 AM
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(afterthought: yes. it was indeed a stoopid thing to do.)
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Old 10-08-11, 10:22 AM
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Do you mean it's a 3-speed hub with the gears inside the hub? If it is, it's called an internally geared hub, not a flip-flop hub. Flip-flop hubs are hubs threaded for singlespeed freewheels or fixed-gear sprockets on both sides, and they don't have 3 speeds. If it's an internally geared hub made by Sturmey-Archer, it will have the name printed on the shell, something like XRF-3 or S3X (standard three-speed freewheel hub and three-speed fixed-gear hub respectively)

If it's an XFR-3, the shift cable may be out of alignment. I have no experience with the S3X, but I'd imagine the issue is the same.

Last edited by Airburst; 10-08-11 at 10:26 AM.
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Old 10-08-11, 07:30 PM
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Its sounds like you chain is the wrong size or your rear wheel is not in the right spot. This sounds like an easy fix. First lossen your rear wheel but don't take it off. (just a little) Keep your chain on the gears as if you were riding your bike and pull the chain with your rear wheel as far back as it will go and then tighten it. Then take it outside and take it for a spin. This happened to me a while back with make nsx dyno. I rode it for months even it skipped alot. I thought it was something major but once I took a look at it is was easy and make sure the chain was tight and was not allowed to move as much. Best of luck to you.
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Old 10-08-11, 08:01 PM
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Might just be a bad adjustment of the shift cable. Unfortunately my experience with three-speeds goes back to the 1950s, and it wasn't a Sturmey-Archer (Brampton??). I had one on which it was possible to get the cable adjustment such that two gears would engage at the 1 & 3 lever positions, but the sprocket would just spin in the 2nd; as I recall it turned out to be the 1st and 2nd gears. Adjustment of the little ferrule and lock nut brought all 3 speeds into action.
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Old 10-11-11, 02:03 PM
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We ended up needed to tighten the shifter cable. Problem solved!

Airburst, after some investigation, I think what I have is a 3 speed internally geared fixed hub, but mine is set up as a free-wheel. I looked at the receipt from the bike shop and that was the name of it. That's possible, right? It can be a fixed or free wheel, but not necessarily a flip flop?
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