CMS-Japanese Motorcycle Supply Parts


CX500 single piston brake upgrade parts required


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Looking to swap your Honda CX500's single piston brake caliper(s) out for the later model twin piston brake calipers? Here is some info that might help you out in your search for the right parts.

Here's the single piston brake caliper:

Here's a photo of the single piston front brake caliper setup on a Honda CX500 motorcycle

^^^The above was commented out pending further examination of the part numbers.

Twin-piston 30mm calipers

The left side bracket is part number 45110-445-632 and was supposedly used on the below list of bikes. Some of these only seem to be for some markets as I can't find evidence of it in their parts lists but I will add notes as I find out more details. Confirm the appearance before buying anything. It looks a bit like a mirror image of the right hand bracket, pictured in the section below this one.

The right side bracket is part number 45210-445-632 and looks like this:

Here's what the Honda brake caliper bracket 45210-445-632 - right hand side - looks like.

Here's what the Honda brake caliper bracket 45210-445-632 - right hand side - looks like.

Here's what the Honda brake caliper bracket 45210-445-632 - right hand side - looks like.

It was apparently used on the following list of bikes. This may vary depending on market so please check before ordering anything:

The above brackets fit 276mm brake rotors.

Note that the CX500E and CX650E used the right bracket but the left was different as they had TRAC on the left fork leg.

The twin piston calipers are part numbers:

The left caliper was supposedly used on the following list of bikes. This seems to have varied between markets so please check before ordering anything!

The right was supposedly used on the following list of bikes. This seems to have varied between markets so please check before ordering anything!

Twin-piston 32mm calipers

These were apparently used on the Honda CB900, which also uses ~295mm discs - with the right brackets you could have a dual-sided setup with bigger pistons and bigger discs, which should notably improve braking. This info will be added once I have time to find the right part numbers etc.

Hope that helps. Anyone who has more information on these is welcome to get in touch.



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