P4 radial vs M4 radial calipers

sev

sev

Well-known member
Subscriber
Looking at the front end on the 999, I've got the option of putting either caliper as I have a pair of both.

Never having ridden either, I was wondering drawing on your experience, what are your thoughts on either the 4 pad radials which came with the 999 family of bikes vs the M4 radials which appeared on the 1098 onwards?

Looks wise I prefer the M4 calipers, but some experience of either would be most helpful. (leaving costs of pads aside)

I'd either run the OEM PS18 master cylinder or possibly a 19x radial which I have knocking around.
 
sev

sev

Well-known member
Subscriber
Andyb said:
its all about the right size master cylinder and pads....
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Andyb said:
is this the track bike? 19x18 master and some decent pads.....
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It’s going to get some hpk discs which I’ve got tucked away and i’d need to get complementary pads from mode.


the radial is a 19x18 and I might give earls a call to get some twin brake lines made up as its got stock over the mudguard lines at the moment.
 
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