FINALLY...2 finger braking - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 12 Old 12-28-2009, 01:25 PM Thread Starter
Rjsurfer
 
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FINALLY...2 finger braking

Just got through with the installation of some 4 pot brake calipers off an SV-1000 using the adapters that Blair sells here on this forum. Along with the adapters I bought new Galfer pads as well following Blair's recommendation.

The calipers were purchased off Ebay for $50, a little beat up and by the looks of them they were sitting around for awhile. The remaining brake fluid in them was brown and had some specks of what looked like hardened fluid. I flushed them out with some Gumout and ran some new brake fluid through them a few times to elimanate any crud and remaining de-greaser. I also painted them up with some old truck bed spray paint I had laying around:mrgreen: When I go back to finalize the installation and apply locktite to the mounting bolts I'll do a better job on painting them to make them look pretty.

Dramatic improvement in braking, I like to ride with two fingers covering the brakes when riding around town, the few times I have had to brake hard, 2 finger braking wasn't cutting it. I never could get enough leverage to really push the limits of the brakes even with new EBC pads. I have probably reduced the pressure required for maximum braking by half, which kind of makes sense, since there are two more pistons applying force to the pads.






Ron W.

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16 T Sprocket
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Last edited by rjsurfer; 12-28-2009 at 02:53 PM.
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post #2 of 12 Old 12-28-2009, 01:44 PM
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Very nice. Assuming $50 calipers, what's a ballpark figure for the total project cost?
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post #3 of 12 Old 12-28-2009, 02:58 PM Thread Starter
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Originally Posted by perfectstranger View Post
Very nice. Assuming $50 calipers, what's a ballpark figure for the total project cost?
$50--Calipers
$70--New Galfer Pads
$65--Adapter plates
-----
$185 Total

07 Wee
07 DRZ400 SM (wifeys)
16 T Sprocket
Short screen & Washers
Replaced 'P" shooter
35W halogen rear signals
RT Gold Valves
Sonic Springs
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post #4 of 12 Old 12-28-2009, 03:03 PM
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Dramatic improvement in braking, I like to ride with two fingers covering the brakes when riding around town, the few times I have had to brake hard, 2 finger braking wasn't cutting it. I never could get enough leverage to really push the limits of the brakes even with new EBC pads. I have probably reduced the pressure required for maximum braking by half, which kind of makes sense, since there are two more pistons applying force to the pads.
But does it require more brake lever travel? The hydraulic system can't add more total work than was applied...it can trade travel for pressure, or vice versa. Think of how many pumps of the handle a hydraulic jack takes to jack up your car, and a higher capacity jack takes either more pumps of the handle or stronger effort on the handle.

The four piston caliper upgrade is in the future for my Strom.

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post #5 of 12 Old 12-28-2009, 03:35 PM
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That's a pretty reasonable cost I think. May have to try it later on down the line. Right now the V's brakes are like heaven to me. Just came off of a rear drum, front single disc bike. Talk about brakes that feel wooden. They were adequate and that was it.
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post #6 of 12 Old 12-28-2009, 04:05 PM Thread Starter
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Originally Posted by PTRider View Post
But does it require more brake lever travel? The hydraulic system can't add more total work than was applied...it can trade travel for pressure, or vice versa. Think of how many pumps of the handle a hydraulic jack takes to jack up your car, and a higher capacity jack takes either more pumps of the handle or stronger effort on the handle.

The four piston caliper upgrade is in the future for my Strom.
I know what your saying but the for some reason the length of travel did not change at all, I guess you would think that it might increase but if I closed my eyes while braking the range of motion did not change a mm.

Ron W.

07 Wee
07 DRZ400 SM (wifeys)
16 T Sprocket
Short screen & Washers
Replaced 'P" shooter
35W halogen rear signals
RT Gold Valves
Sonic Springs
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post #7 of 12 Old 01-10-2010, 06:13 AM
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First up get ride of those standard brake lines you will not

I know what you mean PT rider about hydralic force ,but in changing to better callipers you change the most important area which is how the force is applied to the leading edge of pads contacting the discs. Brake force applied by 4 piston caliper is better than standard calipers.You will note that Bembo make a 6 piston caliper that is on Moto Guzzi Norge etc, now they are brakes !

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post #8 of 12 Old 01-11-2010, 02:21 AM
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Here is how they look with Galfer steel brake lines from Blair :mrgreen:


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post #9 of 12 Old 01-11-2010, 10:59 AM
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Quote:
Originally Posted by PTRider View Post
But does it require more brake lever travel? The hydraulic system can't add more total work than was applied...it can trade travel for pressure, or vice versa. Think of how many pumps of the handle a hydraulic jack takes to jack up your car, and a higher capacity jack takes either more pumps of the handle or stronger effort on the handle.
It doesn't. If you look at Suzuki parts lists, the SV1000 and DL1000 use mostly the same brake parts, including the master cylinder, with the exception of the calipers.

I'm ready to do the same upgrade. Got all the parts, just waiting for the garage to warm up some.

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post #10 of 12 Old 01-12-2010, 01:42 AM
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I'm ready to do the same upgrade. Got all the parts, just waiting for the garage to warm up some.
Well I have the opposit problem it's 40C degrees here in the shade ( about 104f )and about 80% humidity , so in the garage it's about ... too hot to work on my bike .I will just have to jump in the pool and play with kids

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