Cycling and bicycle discussion forums. 
   Click here to join our community Log in to access your Control Panel  


Go Back   > >

Tandem Cycling A bicycle built for two. Want to find out more about this wonderful world of tandems? Check out this forum to talk with other tandem enthusiasts. Captains and stokers welcome!

User Tag List

Reply
 
Thread Tools Search this Thread
Old 07-31-13, 06:42 PM   #101
gracehowler
Rod & Judy
 
gracehowler's Avatar
 
Join Date: Jun 2009
Location: Montrose, CO
Bikes: Specialized S-works e-5, Davinci joint venture, Specialized Vienna Commuter
Posts: 485
Mentioned: 1 Post(s)
Tagged: 0 Thread(s)
Quoted: 2 Post(s)
Good info and pics! What are you running for rotors?
R&J
gracehowler is offline   Reply With Quote
Old 08-01-13, 11:35 AM   #102
DKMcK 
I'd rather be riding
 
DKMcK's Avatar
 
Join Date: Sep 2008
Location: Charlotte NC
Bikes: Santana Team Ti 700 S&S, Trek Madone 6, Klein Palamino, Trek 510
Posts: 112
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 2 Post(s)
Ordered the Spyre today via LBS. They are going to swap me a set of pads for the 160 rotor.
DKMcK is offline   Reply With Quote
Old 08-01-13, 12:05 PM   #103
Ritterview
Tandem Vincitur
Thread Starter
 
Ritterview's Avatar
 
Join Date: Sep 2005
Location: Northern California
Bikes: BMC Pro Machine SLC01, Specialized Globe, Burley Rock 'N Roll tandem, Calfee Dragonfly tandem.
Posts: 3,317
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Quote:
Originally Posted by DKMcK View Post
Ordered the Spyre today via LBS. They are going to swap me a set of pads for the 160 rotor.
TRP sells the Spyre with a rotor, which isn't 203 mm (see, they aren't thinking of tandems). So, they delete the rotor and sell for a lesser price, or throw in something else, such as a set of pads. That is useful for a tandem, because I think tandems go through pads a lot faster. TRP also did not have a 203 mm mount, so I had to use my old mount. TRP threw in an extra pad for the mount as well.
__________________

Strava Tandem Club
Ritterview is offline   Reply With Quote
Old 08-02-13, 09:06 AM   #104
joe@vwvortex
Senior Member
 
joe@vwvortex's Avatar
 
Join Date: Jan 2005
Location: Vacaville, CA
Bikes: Co-Motion Speedster Tandem, S-works 29r, Specialized Tarmac SL4
Posts: 534
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 2 Post(s)
Quote:
Originally Posted by Ritterview View Post
We've got a couple of rides in now with the TRP Spyre SLC, including a moderate descent this morning.

And it is two thumbs up for both captain and stoker on this brake.

I cannot make a direct comparison to the Avid BB7, as with Campy levers, the BB7 required the Brake Power Booster to operate acceptably. The BPB provided earlier engagement, but may have robbed of some power. The Spyre SLC has a direct cable line. Its engagement is nearly as early with the BB7 with the BPB. With further lever action I am not flexing the BPB, and so the cable pulls directly on the brake arm.

Given this arrangement, it appears to me that the Spyre is at least as powerful as the BPB assisted BB7. Modulation is better, and it is shhh! vewwy, vewwy ...we are hunting wabbits quiet. I think the rotor likes being squeezed between two pistons much more than being pinned down by one piston to the BB7's immobile base.
Good news! I run Campy levers with the BB7's and don't use any booster and have decent lever pull - but I also have an inline cable adjuster which takes out all slack in the cable and helps a lot. To know that these work even better in that respect is good news. I'm also running the Ice Tech rotors so it appears to be a simple bolt on. Might just have to pick some of these up.
joe@vwvortex is offline   Reply With Quote
Old 08-09-13, 07:33 PM   #105
dwmckee
Senior Member
 
dwmckee's Avatar
 
Join Date: Jun 2008
Location: Pittsburgh, PA
Bikes: Co-Motion Cappuccino Tandem,'88 Bob Jackson Touring Bike, Co-Motion Cascadia Touring Bike, Merckx Strasbourg71
Posts: 1,489
Mentioned: 1 Post(s)
Tagged: 0 Thread(s)
Quoted: 4 Post(s)
I just installed the HY/RD calipers on a single touring bike (commotion),. All I can say is WOW. And I was always happy with BB7s too. These are smooth as silk and stop like a Porsche with a very light touch. Avid look out kuz there is a new sheriff in town!
dwmckee is offline   Reply With Quote
Old 08-10-13, 10:40 AM   #106
akexpress
Senior Member
 
Join Date: Nov 2007
Location: Anchorage, Ak
Bikes: Calfee Tetra tandem, Ventana ECDM 26, Ventana ECDM 29r, Orbea Orca, Santa Cruz Carbon 5010
Posts: 485
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 8 Post(s)
We just completed a tour of the Rhine / Mosselle rivers in France and on a descent from one of the castles we managed to melt a Xt ice tech rotor. Actually two of use did it on a 200 meter elevation loss 15% grade descent. I had a standard ice tech rotor and Hy/Rd caliper. The other tandem had a special machined Ice Tech saint rotor with the extra aluminum cooling fins and they melted the rotor and cooling fins. He was using a Bengal caliper. We are both experienced at steep descents. I replaced the rotor with a two piece Hope rotor and had no further trouble. The Hy/Rd worked very well although cable tension is critical for optimum performance.
akexpress is offline   Reply With Quote
Old 08-10-13, 02:06 PM   #107
mkane77g
Senior Member
 
mkane77g's Avatar
 
Join Date: Apr 2009
Bikes:
Posts: 696
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 1 Post(s)
That's just lovely. Suppose the money I just spent on that ice-tech was as good as flushing it.
mkane77g is offline   Reply With Quote
Old 08-10-13, 03:39 PM   #108
Ritterview
Tandem Vincitur
Thread Starter
 
Ritterview's Avatar
 
Join Date: Sep 2005
Location: Northern California
Bikes: BMC Pro Machine SLC01, Specialized Globe, Burley Rock 'N Roll tandem, Calfee Dragonfly tandem.
Posts: 3,317
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Quote:
Originally Posted by akexpress View Post
...we managed to melt a Xt ice tech rotor. Actually two of use did it on a 200 meter elevation loss 15% grade descent. I had a standard ice tech rotor and Hy/Rd caliper. The other tandem had a special machined Ice Tech saint rotor with the extra aluminum cooling fins and they melted the rotor and cooling fins. ... I replaced the rotor with a two piece Hope rotor and had no further trouble.
There are several lessons here:
  • The descents melting the IceTech rotors are very rigorous. Such as your prolonged 15% grade, these long twisty alpine (as in The Alps) descents are more common in Europe than the U.S.
  • The Hy/Rd caliper accepts the Hope Ventilated Rotor. The Avid BB7 does not.
  • The TRP Spyre might accept the Hope Ventilated rotor, that hasn't been confirmed that I've seen.
  • The IceTech is a great rotor, up until the point it melts.
  • For non-epic riding with a normal weight team, the IceTech appears to be fine. The ride we just completed had 5000 feet of climbing/descent in 46 miles, but the Highway 9 descent is a non-technical 6-7% grade that isn't going to melt any IceTechs. Mt. Umunhum, with a 10% grade x 5 miles, very well might.
  • Those embarking on epic descents with Hy/Rd (and maybe the Spyre) can switch to the Hope Ventilated, and be confident in its heat capacity.
  • The 203 mm Hope Ventilated weighs 288 grams, >100 grams more than the IceTech.



Hope Ventilated Rotor
__________________

Strava Tandem Club
Ritterview is offline   Reply With Quote
Old 08-10-13, 04:13 PM   #109
SaddleSoar
Senior Member
 
Join Date: Jun 2012
Location: San Jose, CA
Bikes:
Posts: 60
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
We've flatted on Mt Umunhum before, back when using 26" rims with cantis, and boy that Velocity rim was HOT! A 10% grade doesn't do it justice as there are stretches at up to 18%. Throw in the road surface which is better suited for a mountain bike, and that's not a hill I'll be doing on the tandem again in the future - disc brakes or not. I never did figure out if it was the heat or the potholes that caused the flat. Lots of fun finishing the descent on a soft tire pumped up by a compact frame pump.
Stuart


Quote:
Originally Posted by Ritterview View Post
There are several lessons here:
  • The descents melting the IceTech rotors are very rigorous. Such as your prolonged 15% grade, these long twisty alpine (as in The Alps) descents are more common in Europe than the U.S.
  • The Hy/Rd caliper accepts the Hope Ventilated Rotor. The Avid BB7 does not.
  • The TRP Spyre might accept the Hope Ventilated rotor, that hasn't been confirmed that I've seen.
  • The IceTech is a great rotor, up until the point it melts.
  • For non-epic riding with a normal weight team, the IceTech appears to be fine. The ride we just completed had 5000 feet of climbing/descent in 46 miles, but the Highway 9 descent is a non-technical 6-7% grade that isn't going to melt any IceTechs. Mt. Umunhum, with a 10% grade x 5 miles, very well might.
  • Those embarking on epic descents with Hy/Rd (and maybe the Spyre) can switch to the Hope Ventilated, and be confident in its heat capacity.
  • The 203 mm Hope Ventilated weighs 288 grams, >100 grams more than the IceTech.



Hope Ventilated Rotor

Last edited by SaddleSoar; 08-10-13 at 05:42 PM.
SaddleSoar is offline   Reply With Quote
Old 08-10-13, 05:12 PM   #110
mkane77g
Senior Member
 
mkane77g's Avatar
 
Join Date: Apr 2009
Bikes:
Posts: 696
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 1 Post(s)
Heat build up in disc rotors here in Sonoma County is a major concern if climbing areas such as The Geysers, King Ridge/Scaggs Springs, Trinity Grade. We no longer like screaming down these hills at 55+mph. Can't stop at that speed with a Caliper/Disc combo if needed in panic mode. Now, if that Hope rotor can take the heat and the fluid will not boil we can keep our speed in check on these decents, say below 40mph, we can once again explore these back roads with a cushion. Mabey the stoker should start wearing a parachute for emergency situations.
mkane77g is offline   Reply With Quote
Old 08-10-13, 08:58 PM   #111
colotandem 
Senior Member
 
colotandem's Avatar
 
Join Date: Oct 2007
Location: Golden, CO
Bikes: n+1
Posts: 321
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 6 Post(s)
Quote:
Originally Posted by Ritterview View Post
...
  • The Hy/Rd caliper accepts the Hope Ventilated Rotor. The Avid BB7 does not.
  • The TRP Spyre might accept the Hope Ventilated rotor, that hasn't been confirmed that I've seen...



Hope Ventilated Rotor
I don't know if akexpress said that the Hope Ventilated Rotor fits on the TRP HY/RD. I think he said that it works with a Hope two piece rotor. I am not sure that those are one in the same.

All this brake talk makes me wonder if we need a tips and tricks for tandem disc thread?
colotandem is offline   Reply With Quote
Old 08-10-13, 09:57 PM   #112
Ritterview
Tandem Vincitur
Thread Starter
 
Ritterview's Avatar
 
Join Date: Sep 2005
Location: Northern California
Bikes: BMC Pro Machine SLC01, Specialized Globe, Burley Rock 'N Roll tandem, Calfee Dragonfly tandem.
Posts: 3,317
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Quote:
Originally Posted by colotandem View Post
I don't know if akexpress said that the Hope Ventilated Rotor fits on the TRP HY/RD. I think he said that it works with a Hope two piece rotor. I am not sure that those are one in the same.
Excellent point. Hope has three types of rotors.



According to Hope's terminolgy, these are from Left to Right, Fixed, Floating and Vented.

This is explained here. The Floating is indeed the two part, not the Vented.

Quote:
Originally Posted by Hope Tech
TO AVOID ANY PERMANENT DEFORMATION EVEN UNDER
THE MOST SEVERE CONDITIONS A FLOATING DISC IS
CONSTRUCTED IN TWO PARTS. AN ALUMINIUM CENTRE PART
CARRIER WHICH IS FIXED TO THE HUB AND A STAINLESS
ROTOR PART IN CONTACT WITH THE BRAKE PADS.

Since the Hope puts only stainless steel in contact with brake parts, it isn't going to melt so easily as the IceTech, which has aluminum (melting temp 1220 F) sandwiched between steel (2750 F). I don't see how Shimano gets past the considerably different coefficients of thermal expansion of aluminum and steel in this configuration, 22.2 and 13 (10-6 m/m K) *) respectively.

Interestingly, the Hope 203 mm floating rotor has the same weight as the IceTech, 169 grams.

Too bad no one makes a magnesium carrier rotor in 203 mm, such as Scrub does in 160 mm.

__________________

Strava Tandem Club
Ritterview is offline   Reply With Quote
Old 08-11-13, 08:55 AM   #113
mkane77g
Senior Member
 
mkane77g's Avatar
 
Join Date: Apr 2009
Bikes:
Posts: 696
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 1 Post(s)
Quote:
Originally Posted by Ritterview;15946872[*
The Hy/Rd caliper accepts the Hope Ventilated Rotor. The Avid BB7 does not.
[/LIST]


Hope Ventilated Rotor
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
mkane77g is offline   Reply With Quote
Old 08-11-13, 09:34 AM   #114
Ritterview
Tandem Vincitur
Thread Starter
 
Ritterview's Avatar
 
Join Date: Sep 2005
Location: Northern California
Bikes: BMC Pro Machine SLC01, Specialized Globe, Burley Rock 'N Roll tandem, Calfee Dragonfly tandem.
Posts: 3,317
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Quote:
Originally Posted by mkane77g View Post
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
?????????????????
__________________

Strava Tandem Club
Ritterview is offline   Reply With Quote
Old 08-11-13, 08:08 PM   #115
mkane77g
Senior Member
 
mkane77g's Avatar
 
Join Date: Apr 2009
Bikes:
Posts: 696
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 1 Post(s)
Quote:
Originally Posted by colotandem View Post
I don't know if akexpress said that the Hope Ventilated Rotor fits on the TRP HY/RD. I think he said that it works with a Hope two piece rotor.
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^aimed at this quote.
mkane77g is offline   Reply With Quote
Old 08-14-13, 09:49 AM   #116
akexpress
Senior Member
 
Join Date: Nov 2007
Location: Anchorage, Ak
Bikes: Calfee Tetra tandem, Ventana ECDM 26, Ventana ECDM 29r, Orbea Orca, Santa Cruz Carbon 5010
Posts: 485
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 8 Post(s)
Sorry for the slow response but we are still traveling home from the trip. Yes we are now using the Hope "floating rotor" not the vented rotor. this has been our go to rotor for European descents as it has been trouble free and pretty quite and has not warped in any descent. We tried the Shimano hoping for more heat dissipation but went into it with caution. With even the Saint melting the experiment is finished as having a failure in a descent can be harrowing. My opinion of the Hy/Rd is good with the caveat that it is sensitive to cable adjustment. It does not have a long throw and the best braking is near the lever at the bar so if the pads wear and you don't adjust for that it becomes ineffective. With everything in adjustment it seems to have the best braking of any of the disc systems we have used so far. (Avid, Bengal and now the Hy/Rd). We are using Ultegra DI2 levers with them. The Hy/RD is quite and does not rattle like some other systems. It did not experience any fluid boiling problems at any time and we used EBC gold pads. They ultimate tandem disc brake system is still not there yet but it is getting better all the time. Supposedly Shimano will have Ultegra DI2 hydraulic levers in the fall available so that may change the game entirely.
akexpress is offline   Reply With Quote
Old 08-14-13, 01:43 PM   #117
Dean V
Senior Member
 
Join Date: Oct 2009
Bikes:
Posts: 1,106
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 13 Post(s)
Even the hydraulic levers may not be the solution as their master cylinder size will be matched to their own calipers.
This may well be too small for the calipers that we want to use on the tandems.
Dean V is offline   Reply With Quote
Old 08-14-13, 04:09 PM   #118
colotandem 
Senior Member
 
colotandem's Avatar
 
Join Date: Oct 2007
Location: Golden, CO
Bikes: n+1
Posts: 321
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 6 Post(s)
Quote:
Originally Posted by akexpress View Post
Sorry for the slow response but we are still traveling home from the trip. Yes we are now using the Hope "floating rotor" not the vented rotor. this has been our go to rotor for European descents as it has been trouble free and pretty quite and has not warped in any descent. We tried the Shimano hoping for more heat dissipation but went into it with caution. With even the Saint melting the experiment is finished as having a failure in a descent can be harrowing. My opinion of the Hy/Rd is good with the caveat that it is sensitive to cable adjustment. It does not have a long throw and the best braking is near the lever at the bar so if the pads wear and you don't adjust for that it becomes ineffective. With everything in adjustment it seems to have the best braking of any of the disc systems we have used so far. (Avid, Bengal and now the Hy/Rd). We are using Ultegra DI2 levers with them. The Hy/RD is quite and does not rattle like some other systems. It did not experience any fluid boiling problems at any time and we used EBC gold pads. They ultimate tandem disc brake system is still not there yet but it is getting better all the time. Supposedly Shimano will have Ultegra DI2 hydraulic levers in the fall available so that may change the game entirely.
I'm not giving up on the TRP HY/RD yet, when adjusted properly, it works great! The adjustment that akexpress is talking about is just a barrel adjuster where the cable housing enters the Hydraulic caliper (or you could put an inline adjuster near the handlebar). It's really just to compensate for pad wear. But I would agree with akexpress in that the "sweet spot" is relatively small. But I found that to be the case with the BB7 with a road lever too.

That said, we are currently set up with our lighter weight wheels and rim brakes front and rear, so I will not be doing much testing for now. Next time we are doing any extended climbs, we'll have the HY/RD mated with the Hope floating rotor.
colotandem is offline   Reply With Quote
Old 08-14-13, 06:05 PM   #119
Ritterview
Tandem Vincitur
Thread Starter
 
Ritterview's Avatar
 
Join Date: Sep 2005
Location: Northern California
Bikes: BMC Pro Machine SLC01, Specialized Globe, Burley Rock 'N Roll tandem, Calfee Dragonfly tandem.
Posts: 3,317
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Quote:
Originally Posted by akexpress View Post
My opinion of the Hy/Rd is good with the caveat that it is sensitive to cable adjustment. It does not have a long throw and the best braking is near the lever at the bar so if the pads wear and you don't adjust for that it becomes ineffective.
Aye, there's the rub, or rather the lack of rub. With Campy shifters, the throw was inadequate for BB7, and required a brake booster. The TRP Spyre has been much better, and I am obtaining engagement within the first 1/3 of the lever travel. With a lot of brake use, this will need to be adjusted, but this is really easy with the symmetrically squeezing dual piston Spyre.

I want to make every millimeter of lever action count, and to that end I am going to revise my brake cable to straighten its path. I also want the cable housing to be as compression-less as possible. I started a thread on Weight Weenies to ask about the least compressionable brake cable housing, and the learned consensus was Nokons.

Brake cable housing for road disc.


Quote:
Originally Posted by "madcow"
We've recently built a brake test jig and have tested a bunch of caliper brakes, once we write and publish the results we'll be using the same jig to do some testing on brake levers, cables and perhaps of more interest to you cable housing compression. My gut feeling is that Nokon will top the chart in compression.
__________________

Strava Tandem Club
Ritterview is offline   Reply With Quote
Old 08-14-13, 10:38 PM   #120
SaddleSoar
Senior Member
 
Join Date: Jun 2012
Location: San Jose, CA
Bikes:
Posts: 60
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
So what is the quantitative difference in the cable pulls of the Shimano versus the Campy brifters? I've heard claims on both sides, but never seen any data from the mfgs or any third party.

Quote:
Originally Posted by Ritterview View Post
Aye, there's the rub, or rather the lack of rub. With Campy shifters, the throw was inadequate for BB7, and required a brake booster. The TRP Spyre has been much better, and I am obtaining engagement within the first 1/3 of the lever travel. With a lot of brake use, this will need to be adjusted, but this is really easy with the symmetrically squeezing dual piston Spyre.

I want to make every millimeter of lever action count, and to that end I am going to revise my brake cable to straighten its path. I also want the cable housing to be as compression-less as possible. I started a thread on Weight Weenies to ask about the least compressionable brake cable housing, and the learned consensus was Nokons.

Brake cable housing for road disc.
SaddleSoar is offline   Reply With Quote
Old 08-15-13, 02:49 AM   #121
Dean V
Senior Member
 
Join Date: Oct 2009
Bikes:
Posts: 1,106
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 13 Post(s)
I know my Campy levers have about 10mm (3/8") of cable pull. Haven't measured Shimano.
Dean V is offline   Reply With Quote
Old 08-17-13, 05:27 PM   #122
uspspro
Tandem Mountain Climber
 
Join Date: Mar 2007
Location: San Mateo, CA
Bikes: Calfee Tandem, Custom CAAD9 BB30, 90 Santana Arriva Tandem, 02 CAAD4 errand bike, 87 Cannondale "Black Lightning"
Posts: 4,101
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
The HyRd should automatically compensate for pad wear (once they are readjusted after pad break-in).

The problem I have right now is fluid expansion.

We were descending HWY 84 E from Sky Londa back to Woodside, the TRP HyRd (and the 28mm Ultremos) were just amazing. About half way down we caught up to some slow vehicle traffic (damn cars!), and I had to ride the brakes a bit more then I would if I was descending at my own pace.

By the bottom of the hill, the fluid expanded quite a bit. The fluid expansion pushed in the pistons. As such, all my lever travel was gone... meaning the brakes would engage at the slightest touch of the brake lever. On a more severe descent, this expansion might even engage the brakes!!

On a positive note, the brakes never had fade or lost power at all, even with the fluid expansion and no lever travel.

So, I thought...

- Well maybe the fluid reservoir is overfilled?
--- I opened it up and there is a diaphragm that fits just under the cover. That allows for expansion, while keeping air out.
--- The fluid level was where it should be.
--- There is very little fluid in this system

- I probably have the cable adjuster just a tad bit too tight.
--- Probably so, but this was a lot of expansion. Even with the tension slightly looser, there would have been a problem.

So I am thinking about increasing the fluid capacity of the system by adding a piece which expands the capacity of the reservoir, and provides a larger heat sink.




Last edited by uspspro; 08-17-13 at 06:03 PM.
uspspro is offline   Reply With Quote
Old 08-17-13, 07:32 PM   #123
Carbonfiberboy 
just another gosling
 
Carbonfiberboy's Avatar
 
Join Date: Feb 2007
Location: Everett, WA
Bikes: CoMo Speedster 2003, Trek 5200, CAAD 9, Fred 2004
Posts: 11,246
Mentioned: 8 Post(s)
Tagged: 0 Thread(s)
Quoted: 98 Post(s)
Quote:
Originally Posted by uspspro View Post
<snip>
We were descending HWY 84 E from Sky Londa back to Woodside, the TRP HyRd (and the 28mm Ultremos) were just amazing.
<snip>
You're running the 28s on your new 22mm rims?
Thanks.
Carbonfiberboy is online now   Reply With Quote
Old 08-17-13, 07:35 PM   #124
uspspro
Tandem Mountain Climber
 
Join Date: Mar 2007
Location: San Mateo, CA
Bikes: Calfee Tandem, Custom CAAD9 BB30, 90 Santana Arriva Tandem, 02 CAAD4 errand bike, 87 Cannondale "Black Lightning"
Posts: 4,101
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Quote:
Originally Posted by Carbonfiberboy View Post
You're running the 28s on your new 22mm rims?
Thanks.
23mm rims, yes.
uspspro is offline   Reply With Quote
Old 08-17-13, 09:09 PM   #125
Team Fab
Senior Member
 
Team Fab's Avatar
 
Join Date: Jan 2012
Location: Vancouver BC
Bikes: Comotion Supremo, Trek T1000, Comotion Supremo Triple
Posts: 341
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Is it possible that there was any air in the system?
Also what type of brake fluid do they use? Some fluids boil at lower temps?
When i would do any brake work on my racing motorcycles I would flush the system over and over to make sure no air possible in system. I would also tap the caliper to help any bubbles come loose.
Team Fab is offline   Reply With Quote
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off



All times are GMT -6. The time now is 09:01 AM.