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Disc Rotor 10" for Santana

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Disc Rotor 10" for Santana

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Old 06-10-18, 11:40 AM
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merzcm
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Disc Rotor 10" for Santana

Anyone have a good 3rd party source for a 10 inch rotor for a Santana tandem?
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Old 06-10-18, 07:26 PM
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If by 3rd party you mean not a Santana dealer (2nd party) or Santana direct (1st), probably not. No other manufacturer or builder has ever seen reason for such a ridiculously large rotor size.
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Old 06-14-18, 08:27 AM
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Philphine
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bicycle designer. i don't know if it's an exact match, but they sell a 255mm (10.039")
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Old 06-14-18, 08:19 PM
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Originally Posted by tkramer View Post
No other manufacturer or builder has ever seen reason for such a ridiculously large rotor size.
Harsh but true.

However, teams need the 10" rotor if they follow Santana's advice to use the rear disc as a drag brake (to "save" the front caliper) on long descents. Most teams safely use the 8" rotors because they know how to modulate the front and rear brakes.
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Old 06-15-18, 01:41 PM
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Originally Posted by mtseymour View Post
Harsh but true.

However, teams need the 10" rotor if they follow Santana's advice to use the rear disc as a drag brake (to "save" the front caliper) on long descents. Most teams safely use the 8" rotors because they know how to modulate the front and rear brakes.
A quote from Santana regarding their 4th generation 10" rotor: ..."recommended for riders who do sustained, steep descents or like to drag their rear brake to control speed on moderate descents"... I think they are saying with this big super-duper 10" rotor you can use it as a drag brake on moderate descents. Everything I read from Bill McCready and in the conversations I've had with (others at) Santana, they recommend alternating between front and back brakes to keep them cooler.
We tour unsupported, our team weight is 350 lbs (on a good day) so with bike, bags, and us we are well over 400 lbs. I don't know if we definitely need it, but I sure like having it. We don't seek out hills but are occasionally confronted with them on tour. I happily accept the slight weight penalty, versus an 8" rotor, for the same reason I have a disc...more heat tolerance before brake or tire failure versus a rim brake.

Tailwinds,
Charlie (with a personal pan pizza brake)
2016 S&S Santana Beyond
2003 S&S Santana Arriva

P.S. By the way, most of us Santana riders know how to modulate brakes, and some of us even alternate between front and back .
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Old 06-15-18, 03:01 PM
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Originally Posted by Chancy View Post
A quote from Santana regarding their 4th generation 10" rotor: ..."recommended for riders who do sustained, steep descents or like to drag their rear brake to control speed on moderate descents"... I think they are saying with this big super-duper 10" rotor you can use it as a drag brake on moderate descents. Everything I read from Bill McCready and in the conversations I've had with (others at) Santana, they recommend alternating between front and back brakes to keep them cooler.

P.S. By the way, most of us Santana riders know how to modulate brakes, and some of us even alternate between front and back .
Santana's advice to use 10" rotor as a "drag" brake should be ignored. This advice is motivated more by self-interest than good technique. Do your own research, and you'll see that skilled riders and racers modulate their front and rear brakes. They DON'T drag their brake because it will overheat the rotor (or rim), tire their hands, and slow down the tandem for no good reason.. Unfortunately, some teams rely too much on McCready and form these misconceptions about braking technique:

"We climb a lot and a front disk is totally unnecessary. In fact, I only use the front brake if I have to make a sudden and quick stop. I don't even recall the last time I used the front brake. Because there's so much weight on the rear tandem tire, one cannot lock up the rear wheel. Using only the rear disk for braking is perfectly fine on a tandem...
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Old 06-25-18, 12:39 PM
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Originally Posted by Chancy View Post
A quote from Santana regarding their 4th generation 10" rotor: ..."recommended for riders who do sustained, steep descents or like to drag their rear brake to control speed on moderate descents"... I think they are saying with this big super-duper 10" rotor you can use it as a drag brake on moderate descents. Everything I read from Bill McCready and in the conversations I've had with (others at) Santana, they recommend alternating between front and back brakes to keep them cooler.
We tour unsupported, our team weight is 350 lbs (on a good day) so with bike, bags, and us we are well over 400 lbs. I don't know if we definitely need it, but I sure like having it. We don't seek out hills but are occasionally confronted with them on tour. I happily accept the slight weight penalty, versus an 8" rotor, for the same reason I have a disc...more heat tolerance before brake or tire failure versus a rim brake.

Tailwinds,
Charlie (with a personal pan pizza brake)
2016 S&S Santana Beyond
2003 S&S Santana Arriva

P.S. By the way, most of us Santana riders know how to modulate brakes, and some of us even alternate between front and back .
We did a Santana Tour in Hawaii with Bill. On the way to Haleakala, we got the whole speech from Bill how to brake on the descent. We pretty much ignored it,put it in the 53/11 out of the parking lot hammered away and waited 20 minutes at the first stop for the next team to show up.
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Old 06-25-18, 09:31 PM
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10" Rotor for Santana

Originally Posted by Philphine View Post
bicycle designer. i don't know if it's an exact match, but they sell a 255mm (10.039")
Found it on Amazon for $69 - May buy one and try it out

https://www.amazon.com/gp/product/B0...=AI61DM6WS06ZU
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