V4 Brake MC

Jolly Roger V4 · Jan 24, 2023

I know this has been brought up before but I thought I would ask the experts here again! Running stock brake MC and have tried many different pads.
Right now having to use too much level pressure to get the desired brake retardation. Looking for something with less level travel to get required braking.
Pretty sure RCS17 is the right size for the Stylema brakes. Don't want super hard lever action. Like the travel of the stock MC but requires too much pull for me.
Let me know what you guys are running, I know there a few different options. Yes, no lattes in this question, sorry!!!

andyb · Jan 24, 2023

phew........ I thought it was going to be Latte less...

RCS 17 is the right bore size for std ABS and callipers, get an adjustable ratio one 18/20 and you can have what feel and throw you like...I use SBS track pads great initial bite and strong feel but dot last long although that's not a consideration....

Alkhater · Jan 24, 2023

andyb said:
phew........ I thought it was going to be Latte less...

RCS 17 is the right bore size for std ABS and callipers, get an adjustable ratio one 18/20 and you can have what feel and throw you like...I use SBS track pads great initial bite and strong feel but dot last long although that's not a consideration....

ABS has nothing to do with the equation… the rest of what you said is fine.

Now let’s have some latte’s.

andyb · Jan 24, 2023

Abs has everything to do with the whole equation in it recognising and modulating a given amount of fluid…but thanks for your clearance of the the information…

RickD996 · Jan 24, 2023

This post, is so much more enjoyable, with a latte!

Jolly Roger V4 · Jan 24, 2023

No kidding, lattes for all next track day....

Kev242 · Jan 24, 2023

Watching this thread and cruising some others, it’s about the only thing I’d change at the moment. I like a less firm initial bite, and currently it’s still a little grabby. I have to really be focusing on the release to be smooth.

burton · Jan 24, 2023

I have been using Vesrah SRJL-XX for a couple of seasons now (track only). They have a good initial bite but not super aggressive, then breaking force ramps up quickly

Racing Products - Vesrah Company, Inc.

Racing Brake Pads Types and Features of Vesrah Pads Vesrah Race Pads are available in five types: RJL, SS, XX, ZZ, and RX. All Vesrah products are developed and manufactured in Japan, tailored to the individual needs of riders.We prioritize durability, initial braking responsiveness, and...

www.vesrah.tokyo

I like them

Steven31371 · Jan 24, 2023

burton said:
I have been using Vesrah SRJL-XX for a couple of seasons now (track only). They have a good initial bite but not super aggressive, then breaking force ramps up quickly

Racing Products - Vesrah Company, Inc.

Racing Brake Pads Types and Features of Vesrah Pads Vesrah Race Pads are available in five types: RJL, SS, XX, ZZ, and RX. All Vesrah products are developed and manufactured in Japan, tailored to the individual needs of riders.We prioritize durability, initial braking responsiveness, and...

www.vesrah.tokyo

I like them

I use them on my Gixxer with a 17 RCS MC and like them a lot, not too aggressive on initial bite but ramp up for big stopping power.

Alkhater · Jan 24, 2023

andyb said:
Abs has everything to do with the whole equation in it recognising and modulating a given amount of fluid…but thanks for your clearance of the the information…

The ABS doesn’t rely on feedback from the lever or MC it does recognize incoming fluid pressure regardless of piston size. Caliper piston size is more likely part of the equation though.

BP PanigaleV4S · Jan 24, 2023

Think the bike reads pressure into and from the ABS unit. I'd have to check.

Alkhater · Jan 24, 2023

@Jolly Roger V4 i haven’t tried the regular RCS but what’s nice about the corsa corta version is that aside from the 18/20 leverage ratio adjustments it has a race, sport and normal setting that adjusts sensitivity. I’m not sure where the normal RCS stands in relation to those settings.

I’ve found that these settings have a nice degree of variation between them in the way they feel.

I highly recommend them.

Also the new corsa corta RR is sexy af!

New 19RCS CORSA CORTA RR – Race Replica Radial master cylinder

Brembo rethinks the iconic radial master cylinder, now in pure racing style

www.brembo.com

Alkhater · Jan 24, 2023

Slightly off topic and quite possibly a very noob question but does anyone know what the nipple beside the fluid reservoir inlet is used for?

Is it an option to mount the pressure line as seen on Pecco’s bike or am I seeing it wrong?

RickD996 · Jan 24, 2023

Bleed nipple.

Alkhater · Jan 24, 2023

RickD996 said:
Bleed nipple.

I see a banjo fitting on Pecco’s bike
I know it has a different MC but I’m guessing the configuration is more or less the same. Do you think the bleed nipple and pressure line can be swapped?

Steven31371 · Jan 24, 2023

Alkhater said:
@Jolly Roger V4 i haven’t tried the regular RCS but what’s nice about the corsa corta version is that aside from the 18/20 leverage ratio adjustments it has a race, sport and normal setting that adjusts sensitivity. I’m not sure where the normal RCS stands in relation to those settings.

I’ve found that these settings have a nice degree of variation between them in the way they feel.

I highly recommend them.

Also the new corsa corta RR is sexy af!

New 19RCS CORSA CORTA RR – Race Replica Radial master cylinder

Brembo rethinks the iconic radial master cylinder, now in pure racing style

www.brembo.com

I have the 17rcs Corsa Corta with the remote adjuster running to the other handlebar, and GP4-MS calipers, between the adjuster on the MC and the remote adjuster you get a lot of adjustment range, that’s probably the best way to go Jolly…the Corsa Corta let’s you adjust brake pressure while the remote adjuster let’s you adjust lever throw to get the right balance between lever movement and tension.

Alkhater · Jan 24, 2023

Steven31371 said:
I have the 17rcs Corsa Corta with the remote adjuster running to the other handlebar, and GP4-MS calipers, between the adjuster on the MC and the remote adjuster you get a lot of adjustment range, that’s probably the best way to go Jolly…the Corsa Corta let’s you adjust brake pressure while the remote adjuster let’s you adjust lever throw to get the right balance between lever movement and tension.

Have you tried playing with the R, S, N knob?

I like how it feels in R with stock calipers, very responsive. I imagine that the S and N settings will probably be favorable in less grippy condition i.e. rain, tire wear etc…

An added benefit of the corsa corta.

Steven31371 · Jan 24, 2023

Alkhater said:
Have you tried playing with the R, S, N knob?

I like how it feels in R with stock calipers, very responsive. I imagine that the S and N settings will probably be favorable in less grippy condition i.e. rain, tire wear etc…

An added benefit of the corsa corta.

Yeah I run it on the R setting and then give a little more lever movement with the remote adjuster. It’s all subjective to the rider, hand size, personal feel choices, brake pad compound etc…I like a progressive initial bite that ramps up power fast, with just enough movement that I can modulate trail braking with my fingertips. The system allows for a lot of adjustment.

Alkhater · Jan 24, 2023

Steven31371 said:
Yeah I run it on the R setting and then give a little more lever movement with the remote adjuster. It’s all subjective to the rider, hand size, personal feel choices, brake pad compound etc…I like a progressive initial bite that ramps up power fast, with just enough movement that I can modulate trail braking with my fingertips. The system allows for a lot of adjustment.

It does indeed!

andyb · Jan 25, 2023

Alkhater said:
Slightly off topic and quite possibly a very noob question but does anyone know what the nipple beside the fluid reservoir inlet is used for?
View attachment 47890

Is it an option to mount the pressure line as seen on Pecco’s bike or am I seeing it wrong?
View attachment 47891

Really? ,,,,,,,you are coming out with claims about the operation of ABS ,..... yet asked this?

V4 Brake MC

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