Cassette size versus chain length

[LOOK695]

At the moment I am using a 10speed 13/29 cassette. Problem is for fast road riding I lack topend, spinning out from 50km/h. If I change the cassette to an 11/25, will the current chain length be ok?

[Captain Fastbastard Mayhem]

I'd remove a link

[LOOK695]

I'd remove a link

Would prefer not to remove a link, so that I could swap cassettes as needed

[Odinson]

Would prefer not to remove a link, so that I could swap cassettes as needed

 

Then why ask?

 

You're either going to adjust the chain lenght or not.

 

*SMH*

[David Marshall]

Before removing a link check the chain on the small - small gears.  If there is enough tension on the RD ie if the chain is not slack it should be ok as is.

[GavS]

I have the opposite problem

 

currently have a 11-25 on a 53/39 and need more hill friendly gearing. Was wanting to go for a 11-29 cassette rather but my issue is that my chain will be too short and will need a new one.

 

ideally i would want to keep the 11-25 on another set of wheels and be able to swap but would be a problem to use the same chain length for both

[LOOK695]

Then why ask?

 

You're either going to adjust the chain lenght or not.

 

*SMH*

Because I want to know if it will work ????????. Not so easy and economical to remove and add a link every time I change the cassette

[LOOK695]

Before removing a link check the chain on the small - small gears.  If there is enough tension on the RD ie if the chain is not slack it should be ok as is.

Thanks David. Still need to purchase a new cassette. I will check it then

[Karman de Lange]

Read the manual on how to set your chain length :-)

 

si.shimano.com/php/download.php?file=pdf/dm/DM-CN0001-02-A-ENG.pdf

[Schnavel]

I have the opposite problem

 

currently have a 11-25 on a 53/39 and need more hill friendly gearing. Was wanting to go for a 11-29 cassette rather but my issue is that my chain will be too short and will need a new one.

 

ideally i would want to keep the 11-25 on another set of wheels and be able to swap but would be a problem to use the same chain length for both

 

I have a similar setup where my everyday wheels have an 11-25 cassette, and when I go to hilly areas around Nelspruit, I use an 11-28 cassette with no problems.

 

An 11-29 should still work, but like David says, check your tensions in your RD when in your biggest gear at the back. If the derailleur is sitting at a very funny angle towards the front of your bike, you risk damaging it.

 

*Edit: Spelling