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| 907ie Brembo brake calipers model name ? http://ducatipaso.org/forum/viewtopic.php?f=3&t=4881 |
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| Author: | paso750 [ Fri Jun 17, 2011 1:40 pm ] |
| Post subject: | 907ie Brembo brake calipers model name ? |
Hi, does anyone know the exact model name of the black 4 piston calipers of the 907ie and 851 ? It should start with "P4" I guess. I`m currently looking for a rebuild/seal kit. G. |
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| Author: | ducinthebay [ Fri Jun 17, 2011 8:59 pm ] |
| Post subject: | Re: 907ie Brembo brake calipers model name ? |
They are called the P432, for the 4 32mm pistons. They are the black 4 pot calipers with the smooth outside were used on racing bikes in the 80's, and were on only a few bikes in production. (851 for a year or two, and 907, and European 1990 900 ss) the key characteristic was that they were 4 piston, and all the pistons were the same size, which were 32mm. The ubiquitous Gold Line calipers are 30/34. Two of the smaller size, and two of the larger size. The two piston sizes was intended to increase feel over a wider range, or at least that's what have heard. Find them on this page: http://www.cyclebrakes.com/html/brembo_caliper_3.html Cheers, |
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| Author: | paso750 [ Fri Jun 17, 2011 9:44 pm ] |
| Post subject: | Re: 907ie Brembo brake calipers model name ? |
thanks Phil.   I do have a set of P4 30/34 C, too so the naming is clear. It just seemed like the pistons of the black calipers were slightly smaller. I guess I will have to measure them tomorrow. Knowing now that these are the P4 32D and with the part#s of the repair set I can hopefully rebuild them. G. |
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| Author: | Rhino [ Mon Jun 20, 2011 8:06 am ] |
| Post subject: | Re: 907ie Brembo brake calipers model name ? |
G Just checked. They are, as you have been told, P4.32d. |
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