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 Lateral play in rear wheel

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motor-timothy
Tiradritto
Tiradritto
motor-timothy

Posts : 300
Join date : 2016-12-20

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PostSubject: Lateral play in rear wheel   Lateral play in rear wheel Icon_minitime1Fri Dec 20, 2019 12:13 pm

Just had my tires replaced today for Metzeler Roadtec01's, and the mechanic noticed that the rear wheel has a little side to side play. He said typically there should be no play at all, but as he wasn't familiar with the GRiSO he suggested a little play might be normal depending on the type of bearing used by the manufacturer. So here is me checking, is any play in the rear wheel acceptable for the GRiSO?
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Pete Roper
GRiSO Capo
GRiSO Capo
Pete Roper

Posts : 6605
Join date : 2013-05-29
Age : 62

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PostSubject: Re: Lateral play in rear wheel   Lateral play in rear wheel Icon_minitime1Fri Dec 20, 2019 1:12 pm

The large crownwheel support bearing is a C3 bearing but obviously there is some tolerance for that clearance as this rear wheel play, or its absence, is something that has been noted fairly regularly over the years. Some bikes exhibit it, some don't. There is really no other explanation.

The important thing is if the bearing does begin to fail, and this usually takes one of two forms of failure, the seal will begin to leak dramatically before the bearing has the opportunity to fail catastrophically. (Having said that one will probably prove me wrong next week! Rolling Eyes ).

The failures I have seen over the years have all been the result of either the balls and races brinneling
up or the cage disintegrating, both are rare after the very early bikes where an inferior bearing with only 17 balls was used, later bikes use a 19 ball bearing with a stronger cage design.

My advice would be to keep checking it regularly to see if it worsens but not to worry unduly. As I said if something bad is happening you'll loose the seal before you loose the wheel! Very Happy
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motor-timothy
Tiradritto
Tiradritto
motor-timothy

Posts : 300
Join date : 2016-12-20

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PostSubject: Re: Lateral play in rear wheel   Lateral play in rear wheel Icon_minitime1Fri Dec 20, 2019 1:14 pm

Pete Roper wrote:
The large crownwheel support bearing is a C3 bearing but obviously there is some tolerance for that clearance as this rear wheel play, or its absence, is something that has been noted fairly regularly over the years. Some bikes exhibit it, some don't. There is really no other explanation.

The important thing is if the bearing does begin to fail, and this usually takes one of two forms of failure, the seal will begin to leak dramatically before the bearing has the opportunity to fail catastrophically. (Having said that one will probably prove me wrong next week! Rolling Eyes ).

The failures I have seen over the years have all been the result of either the balls and races brinneling
up or the cage disintegrating, both are rare after the very early bikes where an inferior bearing with only 17 balls was used, later bikes use a 19 ball bearing with a stronger cage design.

My advice would be to keep checking it regularly to see if it worsens but not to worry unduly. As I said if something bad is happening you'll loose the seal before you loose the wheel! Very Happy

Fantastic, thank you Pete! cheers
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Brent S
Grignapoco
Grignapoco
Brent S

Posts : 172
Join date : 2015-10-19

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PostSubject: Re: Lateral play in rear wheel   Lateral play in rear wheel Icon_minitime1Sat Dec 21, 2019 2:53 pm

Mine has the same. Noted by the mechanic during a service when the bike had barely 5,000kms on it. Just intend on keeping an eye on it to ensure it doesn’t worsen dramatically over time.
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