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SRAM Red compatible with Disc brakes ?

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SRAM Red compatible with Disc brakes ?

Old 09-24-20, 04:20 PM
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bike_boy
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SRAM Red compatible with Disc brakes ?

Is 10 speed (gen 1) SRAM Red compatible for use with a bicycle that has
cable-pull Disc brakes?

Will it require a different type of cable end per attaching to Disc caliper ?

Is brake pull ratio a concern?

Last edited by bike_boy; 09-28-20 at 10:55 PM. Reason: More clarity per my inquiry
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Old 09-24-20, 05:00 PM
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100% compatible with mechanical discs. In fact i ran those levers on my son's cross bike with Avid BB7's for years for cross. My only recommendation is to use Yokozuna Reaction brake cables and housings. Mechanical disc brakes are highly susceptible to housing compression and power loss.
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Old 09-25-20, 02:12 PM
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Can the BB7 model be adapted to flat mount? All I see is post mount and most frames these days are flat mount. I run SRAM AXS rim brake with Campy chorus brakes that work fine, but someday I may find a disc frame that I can't resist.
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Old 09-25-20, 06:16 PM
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Originally Posted by bike_boy View Post
Is 10 speed (gen 1) SRAM Red compatible with cable-pull Disc brakes?

Will it require a different type of internal cable ?
(specifically with end that connects to Disc caliper)
No, they clamp just like any other brake. Answer me this: Have you ever heard of an external cable?

There are 2 parts to the system: The cable and the housing. There is no 'internal cable', it's just the cable.
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Old 09-26-20, 06:06 PM
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Originally Posted by Psimet2001 View Post
100% compatible with mechanical discs. In fact i ran those levers on my son's cross bike with Avid BB7's for years for cross. My only recommendation is to use Yokozuna Reaction brake cables and housings. Mechanical disc brakes are highly susceptible to housing compression and power loss.
Yes. I use it on my bike with TRP Spyres. It's an eTap Red bike so I presume it's the same pull ratios as with Red mech. Works great. We also have AXS force on a bike with the same brakes and it also works fine. FWIW, this is the same group I have on my road bike with rim dura-ace brakes.

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Old 09-26-20, 06:40 PM
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Originally Posted by JohnJ80 View Post
It's an eTap Red bike so I presume it's the same pull ratios as with Red mech.
J.
I went from Red 22 mechanical to a eTap mini group.... new levers, same old brakes... no problem.
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Old 09-27-20, 08:38 AM
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IMO cable discs are a PITA, with the mechanical advantage requiring frequent adjustment to keep up with pad wear. Those HY/RD TRP calipers solve that issue though. Nice to see you can get em in flat mount now.
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Old 09-27-20, 09:25 PM
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Originally Posted by Kimmo View Post
IMO cable discs are a PITA, with the mechanical advantage requiring frequent adjustment to keep up with pad wear. Those HY/RD TRP calipers solve that issue though. Nice to see you can get em in flat mount now.
What brand are you referring to? Mine (TRP Spyres) get adjusted maybe once every 2000 miles. Just not a big deal.

These are in my travel bike with s&s couplers. Hydraulics would be a mess in that application.
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Old 09-27-20, 09:33 PM
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Originally Posted by JohnJ80 View Post
These are in my travel bike with s&s couplers. Hydraulics would be a mess in that application.
The HY/RD calipers are cable actuated with master and slave in the caliper, which provides auto adjustment.
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Old 09-27-20, 09:55 PM
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Originally Posted by Kimmo View Post
The HY/RD calipers are cable actuated with master and slave in the caliper, which provides auto adjustment.
Saw those and theyre interesting but the pure mech Spyres work great and need adjustment so infrequently that its just not worth switching.
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Old 09-27-20, 11:02 PM
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Originally Posted by JohnJ80 View Post
Saw those and theyre interesting but the pure mech Spyres work great and need adjustment so infrequently that its just not worth switching.
Yeah, the Spyres are definitely a cut above other mechanical disc calipers, with the yoke to actuate both pads.
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Old 09-28-20, 06:17 AM
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Originally Posted by bike_boy View Post
Is 10 speed (gen 1) SRAM Red compatible with cable-pull Disc brakes?

Will it require a different type of internal cable ?
(specifically with end that connects to Disc caliper)
1. Yes
2. No
(3. You'll need a new frameset)
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Old 09-28-20, 04:06 PM
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Originally Posted by Kimmo View Post
Yeah, the Spyres are definitely a cut above other mechanical disc calipers, with the yoke to actuate both pads.
Yes, agree. Youre comment on the hydro/mech Spyres was interesting and did go look at them again. I could see putting those on to give them a try but the additional 100g for a set was kind of a turn off to my weight weenie tendencies.
The TRP Spyres need adjustment around the same amount as my rim brakes did. Adjustment is the normal little knurled knob thing so its a minute or two to do. After using some BB7s and some of the others with the single pad that moves, Id agree that Id want something other than that. There, you have to adjust the cable *and* the brake position too often.
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Old 09-28-20, 11:06 PM
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Originally Posted by cxwrench View Post
No, they clamp just like any other brake. Answer me this: Have you ever heard of an external cable?

There are 2 parts to the system: The cable and the housing. There is no 'internal cable', it's just the cable.
I apologize. I've edited my original post for better clarity. I was just referring to cable itself as opposed the cable and it's housing,
Thanks for the info per clamping as I've not yet seen mechanical cable-pull Disc brakes to observer/understand how cable end attaches
to them.
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Old 09-29-20, 01:35 AM
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TRP Spyres are pretty awesome, as well as BB7s which I have on my touring bike, but TRP Spyres are even better and come in flat mount. Super light, too.

Every once in a while (typically after rides including big, steep descents) I grab an allen key and adjust for pad wear, takes far less time than cleaning and relubing the chain, and the pads never drag because I can adjust the spacing.

​​​​​Naturally they work fime with rim brake levers.

​​​​​
​​​​​
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Old 10-02-20, 08:03 AM
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Originally Posted by Branko D View Post
TRP Spyres are pretty awesome, as well as BB7s which I have on my touring bike, but TRP Spyres are even better and come in flat mount. Super light, too.

Every once in a while (typically after rides including big, steep descents) I grab an allen key and adjust for pad wear, takes far less time than cleaning and relubing the chain, and the pads never drag because I can adjust the spacing.

​​​​​Naturally they work fime with rim brake levers.

​​​​​
​​​​​
Yep. That's my experience too.

Do note - using the good cables with the slippery coating on them and compassionless housing to run it through makes it very hard for me to notice much of a difference from my hydraulic brake mountain bike.

J.
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Old 10-03-20, 03:00 AM
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Originally Posted by JohnJ80 View Post
...but the additional 100g for a set was kind of a turn off to my weight weenie tendencies.
Juin Tech GT.
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Old 10-03-20, 10:28 AM
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Originally Posted by tangerineowl View Post
Juin Tech GT.
very interesting. Have you used them?
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Old 10-08-20, 05:48 PM
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Originally Posted by JohnJ80 View Post
very interesting. Have you used them?
On the R1 2piston at the moment. Compressionless brake housing and good pads get the best performance out of them. Been happy with them.

Don't really need the GT 4piston at my weight, but would like to see the braking difference on downhill runs.
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Old 10-09-20, 11:38 AM
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Originally Posted by tangerineowl View Post
On the R1 2piston at the moment. Compressionless brake housing and good pads get the best performance out of them. Been happy with them.

Don't really need the GT 4piston at my weight, but would like to see the braking difference on downhill runs.
how is the modulation? Compared to TRP Spyre?

I've been really happy with the Spyres but if the modulation were better, Id consider a change since theres no real weight penalty for me. Already have compressionless housing installed.
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Old 10-10-20, 05:42 PM
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Originally Posted by JohnJ80 View Post
how is the modulation? Compared to TRP Spyre?

I've been really happy with the Spyres but if the modulation were better, I’d consider a change since there’s no real weight penalty for me. Already have compressionless housing installed.
No Spyre experience. First disc setup went straight to JuinTech R1. I feel the modulation is very good.

Last edited by tangerineowl; 10-10-20 at 05:42 PM. Reason: txt
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