St150 brakes don't fit

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pumamax

New member
Joined
Dec 4, 2024
Messages
23
Location
Reuver, Limburg, Netherlands
I'm in a bit of a pickle. I ordered ST150 spec brake discs and calipers, but the disc doesn't fit within the caliper bracket. Are the standard st150 discs also 25mm thick? I can't find any carriers at all, and the calipers look exactly the same as the puma ones, so I don't see how they should fit over these bigger discs. Is there a flaw in my thinking here?
 
I'm in a bit of a pickle. I ordered ST150 spec brake discs and calipers, but the disc doesn't fit within the caliper bracket. Are the standard st150 discs also 25mm thick? I can't find any carriers at all, and the calipers look exactly the same as the puma ones, so I don't see how they should fit over these bigger discs. Is there a flaw in my thinking here?
You have fitted st150 calipers haven't you?
Not just tried to fit st150 discs with original puma calipers????
 
They definitely aren't identical, there is a very obvious size difference
This was what was so confusing to me. Blueprint and Febi both have reproduction calipers listed to fit both the st150 and the puma. I can't find any actual st150 calipers in the netherlands. Let alone the brackets. I guess I'll just send them back.
 
My studs are a bit short with my 5mm spacers, is this a problem? I've seen some people say the st150 brakes fit under the fan wheels, and some say that you need 3mm extra.
Just stripped the hex in the steering rack end link, so I must say I'm past the point of having fun with this. Lump's been off the road for two months now.
 
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