A2Z Adaptor I.S to P.M. to Keep 160mm AD-ISPM160

£9.99 Please note this product has selling restrictions to your country. was
Manufacturer : 
SJS Cycles part number : 
Manufacturer part number : 
- Converts International Standard (IS) type caliper mounting to Manitou type Post Mount (PM) mounting
- Allows a larger diameter rotor (20 - 25 mm larger in diameter or 25 mm with spacers) to be used
- Allow to adjust disc caliper to align with rotor
- ISPM adapters also available in fork O.L.D 110 20 mm thru-axle version
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Questions & Answers (2)
Can you confirm that the post mount spacing is 74mm?
15 Oct 2023
The post mount spacing is 74mm. SK 16/10/23
Is this a PM 160 to IS 160 adapter oder a 20 mm adapter
11 Dec 2017
The title suggests you can fit an IS caliper to a PM fork and the disc size won't change - this is what I'm looking for.

The description says you'll boost to 20 mm i.e. will need to fit a bigger disc. Which is correct? It looks like I can keep the same disc after swapping from an IS to a PM fork, which is what I want.

Thanks for the info,


If you are looking to convert your IS mount caliper to fit your post mount fork this should work.

You can use a bigger rotor if you want, but this is designed for a 160mm rotor.