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Shimano brake pad compatibility chart

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Shimano brake pad compatibility chart

Old 05-08-22, 07:15 AM
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nPn
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Shimano brake pad compatibility chart

I am having a hard time finding brake pads for my BR-RX400 bakes.

Shimano's product page for the BR-RX400 calipers, lists K03S, K04S, L03C and L04C as standard pads and option pads and a recent Shimano compatibility chart seems to indicate that B035, G03A, G03S, G04S, G04Ti, K03S, K03Ti, K04S, K04Ti, J03A, J04C, L03A, L04C are all compatible.

Is it correct that all those pads are compatible and the dashes in each column just mean that those pads are not included as an pre-installed option when you buy a new caliper? If so I have more options that I was looking for.
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Old 05-08-22, 07:58 AM
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I'm not all that familiar with Shimano's brake pad nomenclature but I believe these pads all have the same configuration but vary in pad composition (e.g. resin, semi-metallic, full metallic) and backing plate material (steel, Ti and Al). Someone who is more familiar can verify or alter my take on them.
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Old 05-09-22, 09:40 AM
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Originally Posted by nPn View Post
a recent Shimano compatibility chart seems to indicate that B035, G03A, G03S, G04S, G04Ti, K03S, K03Ti, K04S, K04Ti, J03A, J04C, L03A, L04C are all compatible.
No it doesn't.

Is it correct that all those pads are compatible and the dashes in each column just mean that those pads are not included as an pre-installed option when you buy a new caliper?
No.

K-type and L-type pads are only for flat mount calipers, they are smaller in length to the G-type, J-type and B-type pads that are for post mount calipers, the B-type pad is a wide type pad that's only made for use with certain calipers and rotors.

Brakes that use K-type and L-type pads can''t use G-type, J-type or B-type pads because they won't fit in the caliper.

These 3 pages show the different lengths of K-type, G-type and B-type pads.
https://bikeimport.ch/shop/product/2...K03%20/%20K03S
https://bikeimport.ch/shop/product/1...TI%20/%20G04S/
https://bikeimport.ch/shop/product/1...S%20/%20Resin/

Last edited by cobba; 05-09-22 at 09:56 AM.
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Old 05-09-22, 05:36 PM
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Originally Posted by cobba View Post
No it doesn't.




No.


K-type and L-type pads are only for flat mount calipers, they are smaller in length to the G-type, J-type and B-type pads that are for post mount calipers, the B-type pad is a wide type pad that's only made for use with certain calipers and rotors.


Brakes that use K-type and L-type pads can''t use G-type, J-type or B-type pads because they won't fit in the caliper.


These 3 pages show the different lengths of K-type, G-type and B-type pads.

https://bikeimport.ch/shop/product/2...K03%20/%20K03S

https://bikeimport.ch/shop/product/1...TI%20/%20G04S/

https://bikeimport.ch/shop/product/1...S%20/%20Resin/

Thanks this is very useful info. It's disappointing that the chart does not mark the L-types, which the product pages says are compatible, any differently than the other types such as the J-types. As far as I can tell the main difference between the K and L is that the L's has fins and K's don't?

I really don't see the need for the fins so I will stick with the K-type if possible. A LBS near me did have at few K04Ti's. At the time I did not purchase them, because I had only written down the K03S, K04S, L03A and L04C as being compatible. Can I assume that if I can only find a K03Ti or a K04Ti those will be OK? BTW my disc are metal pad compatible, not resin-only, so while I think I would rather have the longer lasting metal pads, I would take the resin pads if that's all I can find.
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