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Calfee's 250 mm(?) rotor with an Avid BB7

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Calfee's 250 mm(?) rotor with an Avid BB7

Old 03-08-11, 04:51 AM
  #26  
PMK
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I believe this is the kit to give it a go.

https://store.formula-brake.com/items/hw-oro-220-rear-2

220mm disc with the applicable brake fitting adapter.

A composite frame is the blessing for these big brakes. As they mentioned in the reply email, they can notch the stay for clearance AND reinforce the stay as they see needed.

Additionally, with carbon having great fatigue properties when done right it's another bonus for that material.

Sure seems the vented disc mod, could make for a good rival with lighter weight. Not sure what the stopping distance is, but vented should remove a lot of the heat issue.

Being curious, does everyone here use oem Avid pads, or are other brands or even non metallic pads being used?

PK
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Old 03-09-11, 12:29 PM
  #27  
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Originally Posted by PMK

Being curious, does everyone here use oem Avid pads, or are other brands or even non metallic pads being used?

PK
We use EBC Gold.
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Old 03-09-11, 01:23 PM
  #28  
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Originally Posted by uspspro
We use EBC Gold.
Are you experiencing better wear, better stopping or both with these EBC Gold pads? You can never have too much stopping power.
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Old 03-09-11, 03:59 PM
  #29  
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Originally Posted by rdtompki
Are you experiencing better wear, better stopping or both with these EBC Gold pads? You can never have too much stopping power.

Better feel, power, and fade resistance for sure.

Not sure about wear, I never had the Avid pads on for very long.
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Old 03-10-11, 10:21 PM
  #30  
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Originally Posted by 2592
Sure looks like the 10" disk I have on my Santana.
Originally Posted by Ritterview
That was the first thing I did, and now Mike Moore has emailed me back.

Originally Posted by Mike@Calfee
* The rotor was purchased through another prominent tandem manufacturer that offers 10" (255mm) discs.
Independent confirmation that it is indeed a Santana-sourced rotor. Santana's 10" rotors are no longer sporting the slots and, instead, are just as you see on the Calfee. A dealer friend couldn't recall when the changed, but that's that.

BTW, we still use the stock Avid brake pads but, then again, since I only put the Avid BB7 caliper and rotor on when I think we might need or want it... we've probably logged under 1,500 miles of 12,000 miles or so on the Calfee while running the rear disc vs. our custom, dual-pivot rear Campy Record Skeleton caliper.

Last edited by TandemGeek; 03-10-11 at 10:25 PM.
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Old 03-11-11, 12:09 AM
  #31  
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Originally Posted by PMK
I believe this is the kit to give it a go.

https://store.formula-brake.com/items/hw-oro-220-rear-2

220mm disc with the applicable brake fitting adapter.


I emailed Formula about their one-piece 220 mm steel rotor, as well as their aluminum carrier model.



Though these are still widely available, they have both been discontinued.

Originally Posted by Formula USA
Ritterview,
Both versions of the 220mm discs were discontinued about 3 years ago simply because there was not much of a demand for rotors that big. We now only offer up to a 203mm rotor.
Here is a mountain bike Cannondale tandem that fitted the Formula 220. I'd like to see if that would fit, or could be made to fit, on my Dragonfly.
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Old 03-11-11, 05:20 AM
  #32  
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Ritterview, Nate the one that installed the big disc on his Cannondale, may be worth getting in touch with.

If you follow the link you posted, in the end it shows a Hope disc with 4 bolt mounting. Nate is a dedicated Rohloff addict. I believe he still owns the Cannondale, but was considering a Fandango. Last I knew, the Cannondale tandem had a Rohloff install and did NOT use the Formula 220mm disc. Might try contacting Nate over on MTBR, possibly he still has it and will part with or let you try it.

I'm not certain where he lives, but I believe it is near to where the Rohloff service center is, which I believe is Northern California.

Nate and I have had correspondence several times about off-road tandems. Nice enough person, I'd say give it a go.

PK
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Old 03-11-11, 11:06 PM
  #33  
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Originally Posted by akexpress
Even with a mounting adapter for the caliper it would require sending the frame back to Calfee for modification of the rear stay. Our Calfee barely clears the frame with the 203 disc.
We had the same clearance problem with our 203mm disc. The adapter on ours was 19mm. I had it machined to 16mm. Clearance problem solved for $10
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