Disc Rotor for AMP Resarch - exact dimensions

[brakestuff]

Hi, can anyone know the exact sizes (outer diameter, pitch diameter, etc.) of the AMP Disc say (front and back) to me?
What is the difference between 3-hole disc of Rock Shox and AMP Research?

Greetings
Torsten

 

[B3]

Re:

Hi Torsten,

Front disc is 163.5mm or 6.437" Rear is 133.35mm or 5.25" There was also a smaller front disc.

The Rock Shox/White Industry hubs use the same mounting sizes, the smaller front however is AMP specific.

 

[danson67]

Hi Torsten,

Are you https://shop.brake-stuff.de/?...cool if you are...Keep up the good retro work.

Here are the 3 rotors that B3 referred to:

Front AMP/RockShox, Front AMP floating, Rear AMP/RockShox.

From my measurements:

Front: 163.5mm diameter, 2.2mm thick, 12.9mm wide brake track. 3x 5.2mm holes on 60.4mm (2.5") bolt circle.
Front floating: 152.5mm diameter, 2.2 thick, 13mm wide brake track, 3 x 5.2mm holes on 39mm circle, 30mm centre hole
Rear: 134mm diameter, 2.2 thick, 12.9mm wide brake track, 3 x 5.2mm holes on 44.5 circle.

Hub fittings in same order:

Later front:

Floating front:

Later rear with bolt on adapter:


I can lend them out or make some proper drawings if you need, STL or dxf etc.

All the best,

 

[FMJ]

The 2 front rotors.

 

[danson67]

Ooh..that'll be a 145mm front rotor with the slotted fittings ....things are getting complicated :roll:

All the best,

 

[brakestuff]

Thanks @danson67 for the information. These have helped me a lot (y)!
Yes, we are the guys from BrakeSTUFF.

Greetings Torsten

 

[Swede]

Re:

Hi Torsten, you've already made a rear disc for me and it's fine.

 

[brakestuff]

Re: Re:

Hi Torsten, you've already made a rear disc for me and it's fine.

Hi @Swede, can you send us a photo of your bike with the disc?

 

[Swede]

Re: Re:

Hi Torsten, you've already made a rear disc for me and it's fine.

Hi @Swede, can you send us a photo of your bike with the disc?

Don't have a bike yet! Still gathering parts...