What have they done?

[Moodyman]

Got my rear wheel re-built with stronger spokes at the weekend. Same hub, cassette and freewheel, just cleaner. (Thanks Mr Spa Cycles Wheelbuilder).

But…

When putting the wheel on the bike (upside down) and re-indexing the gears, I noticed that the crank kept going round and round after I stopped turning the pedals. Seemed odd at the time but I ignored it.

On this morning’s commute, I noticed the same when freewheeling. There seemed to be a thrust coming to the cranks from the cassette but because my stationery pedals were not allowing this thrust to carry into the chainset, the chain would hit the inside of the front mech, slacken and then straighten again.

Don’t get me wrong, it’s an improvement on the way I was riding it last week, but what on earth could the wheelbuilder have done to make it do this.

Am intrigued, but he’s not in for a few days to ask.

 

[asterix]

Got my rear wheel re-built with stronger spokes at the weekend. Same hub, cassette and freewheel, just cleaner. (Thanks Mr Spa Cycles Wheelbuilder).

But…

When putting the wheel on the bike (upside down) and re-indexing the gears, I noticed that the crank kept going round and round after I stopped turning the pedals. Seemed odd at the time but I ignored it.

On this morning’s commute, I noticed the same when freewheeling. There seemed to be a thrust coming to the cranks from the cassette but because my stationery pedals were not allowing this thrust to carry into the chainset, the chain would hit the inside of the front mech, slacken and then straighten again.

Don’t get me wrong, it’s an improvement on the way I was riding it last week, but what on earth could the wheelbuilder have done to make it do this.

Am intrigued, but he’s not in for a few days to ask.

Have you tried calling Spa Cycles? They might be the best 1st port of call. I don't think they would fob you off - I have dealt a lot with them over the years.

 

[Moodyman]

Have you tried calling Spa Cycles? They might be the best 1st port of call. I don't think they would fob you off - I have dealt a lot with them over the years.

I've too have dealt with Spa quite a bit and agree that they're great. But the guy who answered the phone can't fathom what the wheelbuilder might have done. Wheelbuilder not in for a few days.

I'm guessing that he may have serviced the hub for me which is nice as it was not part of the job, but I can't understand how this might cause the freewheel to keep turning the cassette as if it was still being pedalled.

 

[02GF74]

wot tou are saying is that when you are freewheeling i.e. not pedalling, the rear wheel is trying to turn the pedals?

are you able to keep the pedals still or is the force so great that you have to turn the pedals?

does sound like the little pawls are not disengaging.

they may have cleaned/lubricated the internals and the newly added grease is slowing the pawls or else something has popped out of place or is just plain broke.

 

[Moodyman]

wot tou are saying is that when you are freewheeling i.e. not pedalling, the rear wheel is trying to turn the pedals? Yes.

are you able to keep the pedals still ? Yes, and if I do, it freewheels happily. As soon as I let go of the pedals, the crank starts turning again though only slowly.

does sound like the little pawls are not disengaging. The wheel runs perfectly quietly, in fact better than when I took it into them.

they may have cleaned/lubricated the internals and the newly added grease is slowing the pawls or else something has popped out of place or is just plain broke - The hubs looks very clean, so I think they may have courteously cleaned it & regreased it.

Guess I'll just have to wait for the wheelbuilder to return for the explanation.

 

[marzjennings]

Sounds like a little too much grease on the pawls or they've slightly overtightened the freehub body during the rebuild. The problem may go away after a few more miles.

 

[Moodyman]

Mystery solved.

It was the plastic spoke-protecting disc between the cassette and the hub.

When I was freewheeling the disc kept rotating as it's fixed to the wheel, but because it's on quite tight, it was pushing the cassette along with it.

Time to take it off.

 

[Cheule]

Chalk up another one to experience

I'll have to remember that one in case the same happens to me.

 

[asterix]

Ah now, if you'd only told us that you'd got a spoke protector..

 

[xpc316e]

Yet another reason to get shot of the plastic pie-dish of shame!

 

[02GF74]

ah you didn't mention the spoke protector ... otherwise I'd have spotted it straight away ...






NOT!!!.

you can leave it on as it isn't harming anything - check its poistion as it must have moved a bit since it was not doing that before.

to remove it you need to take the cassette off - requires special tool plus a chain whip - if you want to get rid of, then you can snap it into little pieces using pliers, obviously it wil be no longer fit for purpose.