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Discussion Starter · #1 ·
Hi,
I am considering Avid BB7 disk breaks but I hear that being mechanical they do not have the same stopping power that hydraulics do.

I am a moderate XC rider.

Would appreciate some learned opinions - Thanks
 

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A wheelist
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Winnetou said:
Hi,
I am considering Avid BB7 disk breaks but I hear that being mechanical they do not have the same stopping power that hydraulics do.
That's not true. They're one of, if not the most powerful xc BRAKES I've tested or owned. Check the spelling of that word in upper case. Power is not dependent on the method of force transmission.

Mike T. (mcm # 717 & FOG)
 

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We want... a shrubbery!
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They have more than enough stopping power--I run a set on my bike. Before Avid came out with these mech. disc brakes, the existing mech. discs weren't as good as hydraulics. That's where the mech. brake got it's bad rap from. However, those were first generation brakes, and the Avid's are pretty awesome. Oh, and extremely easy to set up.

The only difference that I keep hearing brought up is that the Avid BB7's don't have the modulation of hydraulics--you have to pull further and harder to get the full power from mech. brakes (Hydros' power arrives almost 'instantaneously'--they're really sensitive)
 

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ickyickyptngzutboing said:
The only difference that I keep hearing brought up is that the Avid BB7's don't have the modulation of hydraulics--you have to pull further and harder to get the full power from mech. brakes (Hydros' power arrives almost 'instantaneously'--they're really sensitive)
I'm pulling up a chair for when Shiggy comes along and has his way with you.
 

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Mike T. said:
Power is not dependent on the method of force transmission.

Mike T. (mcm # 717 & FOG)
Huh? I can get lots more caliper force, and stopping power, with x number of ounces of effort applied to my hydraulic levers than you can with your mechanicals. Nevertheless, both systems are miles better than the old systems. Good luck. - Dave
 

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dnpeters said:
Huh? I can get lots more caliper force, and stopping power, with x number of ounces of effort applied to my hydraulic levers than you can with your manuals. Nevertheless, both systems are miles better than the old systems. Good luck. - Dave
I don't have any "manuals". I don't have any mechanicals either or any cable discs. I never said I did. I still don't agree with you though.

Uhh on 2nd thoughts, they're ALL manuals.
 

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Mike T. said:
I don't have any "manuals". I don't have any mechanicals either or any cable discs. I never said I did. I still don't agree with you though.

Uhh on 2nd thoughts, they're ALL manuals.
Maybe those of us who are "older" still remember the differences we experienced when cars changed from "mechanical" to hydraulic brakes, and then to power. For me, the improvement is just as noticeable on my bike. You may not agree with me, but I've had both, and apparently you haven't. Good luck. - Dave
 

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dnpeters said:
Maybe those of us who are "older" still remember the differences we experienced when cars changed from "mechanical" to hydraulic brakes, and then to power. For me, the improvement is just as noticeable on my bike. You may not agree with me, but I've had both, and apparently you haven't. Good luck. - Dave
The first car we had used rod operated brakes. It was probably a '50s British Ford. I used to help my Dad change the clevises, lube the bellcranks and adjust the adjusters. That led to an early career as a licensed auto tech in two countries. Now who would even consider comparing a drum braked, rod operated braking system to a disc brake hydraulic one?

I've extensively tested Avid cable discs and many other hydraulic systems not to mention Formula cable discs in my "research" for the implementation, writing and editing of our Disc Brake FAQ at the top right of this page. I said at the time and I'll say it now after having tested, owned and used many disc braking systems over the past six years - the Avid cable disc is at least as powerful as the most powerful hydraulic xc disc setup I've tested and more powerful than most. That's my findings and opinion.

BTW - I use hydraulic brakes.

BTW² - I am "older". I'm 57. But that's relative.

Mike T. (mcm # 717 & FOG)
 

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Mike T. said:
The first car we had used rod operated brakes. It was probably a '50s British Ford. I used to help my Dad change the clevises, lube the bellcranks and adjust the adjusters. That led to an early career as a licensed auto tech in two countries. Now who would even consider comparing a drum braked, rod operated braking system to a disc brake hydraulic one?

I've extensively tested Avid cable discs and many other hydraulic systems not to mention Formula cable discs in my "research" for the implementation, writing and editing of our Disc Brake FAQ at the top right of this page. I said at the time and I'll say it now after having tested, owned and used many disc braking systems over the past six years - the Avid cable disc is at least as powerful as the most powerful hydraulic xc disc setup I've tested and more powerful than most. That's my findings and opinion.

BTW - I use hydraulic brakes.

BTW² - I am "older". I'm 57. But that's relative.

Mike T. (mcm # 717 & FOG)
Mike - Thanks for your "opinion". Fortunately there are differing opinions, or this would be a rather boring forum. Maybe when you're older and wiser you'll change your mind :) . Good luck. - Dave
 

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What about the IRD Dual-Bangers? I hear reviews that they are actually BETTER than Avids because the dual bangers push both pads into the rotor instead of one pad pushing the rotor into the other pad.
 

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ickyickyptngzutboing said:
...The only difference that I keep hearing brought up is that the Avid BB7's don't have the modulation of hydraulics--you have to pull further and harder to get the full power from mech. brakes (Hydros' power arrives almost 'instantaneously'--they're really sensitive)
BULL-PLOP!

I have used Avid BB brakes since the day they hit the market. They have plenty of power. Plenty of modulation. And need very little effort at the lever.

They are THE most adjustable brake available and can be setup to work and feel any way the rider prefers, especially when used with Avid Speed Dial levers.

Because of the adjustability it is also fairly easy to do a poor setup on the Avids. If you tried a set and thought they lacked power or modulation it was either a [email protected] setup or the rider prefers them adjusted differently than you.

I have had friends ride my bike and say the brakes lack power. I make a 2-second adjustment and have them try it again and they are tossed over the bars.

For me modulation has as much or more to do with lever effort and lever position as anything. I want a very light lever and a brake that works with the very close to the bar. This gives me the best control of the lever and hence the best modulation. I still have power. If I have the lever contact point far from the bar the brakes become grabby.

I have ridden hydro discs. They work well. But none can be adjusted to my liking and have the light lever feel I want.

Enough?
 

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Strafer said:
I haven't used hydros yet, but my understanding is that they are easier to modulate, meaning less unintentional lockups.
That is not what I think of as modulation. Modulation is how easy it is to control and change the braking force whether you are near the point of lockup or not.
 

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"They are THE most adjustable brake available"

Shiggy - that is VERY debateable. Avid isn't the best IMHO.
 
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Mike T. said:
That's not true. They're one of, if not the most powerful xc BRAKES I've tested or owned. Check the spelling of that word in upper case. Power is not dependent on the method of force transmission.

Mike T. (mcm # 717 & FOG)
Did you win the spelling bee when you were a kid? LOL, this is an internet forum, not an English class.
 
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