Bobby - yeah, you're right. The reason most brake manf's (Hayes, anyway)
spec DOT 4 is because they're selling MTB brakes which they assume are
going to get overheated a lot on long, steep downhills and it's kind of a
CYA issue. Besides, Hayes (Kelsey-Hayes) was in the business of making
brak
George:
Don't give mineral oil a bad rap... it's not for low end brakes... Shimano,
Tektro and a few others do use mineral oil, which is less corrosive than
DOT and it happens to work extremely well. Unless you're downhill racing
(where DOT will hold up better under extreme heat), mineral oil b
I have disc's installed on two of my bikes (both MTB's w/ robust forks and
rear stays; one with Hayes hydraulic and the other with a BB7 front) and in
addition to what Jim and others here have to say, I found:
- Disc's can be tricky when used with QR axles. I finally had to change
the QR axle
On Friday, May 8, 2015 at 8:09:46 AM UTC-7, Steve Cole wrote:
> Has anyone heard any rumors about a future Riv being introduced with disc
> brakes?
>
My money is on disc brakes appearing as a "drag brake" for the Rivendell
tandem, if that ever becomes reality. On singles, it's hard to see any
Hydraulic discs ARE indeed a game-changer for mountain biking. Lots of
advantages to discs and really very few limitations. Locating your brakes at
the center of the wheel may be technically less efficient than a brake pad on a
rim, but it isolates your brakes away from any ground hazards and
There are two key things with disk brakes -
You have to rework the frame to take the stresses - so no artful tapering
of the stays or fork ends. (Yes, I know there are folks like Curtis at
Retrotech who make them look nice - my point is that you cannot just add a
mount and expect it to work.)
Leather soled shoes make decent emergency brakes, don't ask me how I know
On Fri, May 8, 2015 at 12:46 PM, Lungimsam wrote:
> Is it possible to repair disk setups on the roadside?
>
> I wouldn't want to be stranded with a blown tube, or loss of fluid, or
> something else wrong that isn't fixable
Disc brakes are tough, I wouldn't worry about road-side fixes. Mechanical
discs are easy to work with but you need to carry an extra tool (torx).
Hydraulic are proven, I don't personally know anyone who has had an issue
on the road. Even when they need maintenance and feel spongy, they still
ha
I don't think we will see a Riv with disk brakes although a Bombadil with
clearance for modern 27.5" tires and disk brakes would be totally awesome.
On the trails, disk brakes work very well. I have a Trek Fuel EX and ride
it on fairly tight single track trails...the brakes on it, shimano XT hyd
I'm a huge fan of discs off road. The effort/power ratio is incredible
with XT hydraulic brakes. Not really "trailside servicable," but, what are
the chances of both of them going out at once? Plus, my 29er is kind of a
purpose-built machine for singletrack, and its excellent at what it does.
If joy is unconditional, why do you care about disc brakes?
On Saturday, May 9, 2015 at 7:24:52 AM UTC-4, Garth wrote:
>
>
> Mike and Patrick ,You almost had me going into a de-bait about discs
> !Almost !
>
>
> I'll just say this : Since my first ride with a banana seated little
>
A disc brake will 'twist' the fork under heavy braking as the braking force
is not symmetrical with the centre of the hub. Hence the Jones bike uses a
truss fork. I cannot see any advantages for Rivendell in using disc brakes
as it would invalidate a well worked and respected design philosophy
Mike and Patrick ,You almost had me going into a de-bait about discs
!Almost !
I'll just say this : Since my first ride with a banana seated little bike
. no "advancement" , whether it be my first 3-speed , or my first 10
speed , or my first "real good bike" .. none of th
I have Avid BB7's on my Jones Plus, which cost me $105 total for a whole kit,
with levers. The Paul Motolites on my Rivendell (only reliable V-brake for a
bike that nice) cost me $195 without levers. The BB7's seem at least as
reliable/robust as any rim brakes I've used, and I think I could do m
"The rim IS a disc, the *biggest* practical disc on the wheel, and
mechanically it has a theoretical advantage over a hub-mounted brake."
Yep, direct from the BLUG; author GP.
dougP
On Friday, May 8, 2015 at 8:31:14 PM UTC-7, Surlyprof wrote:
>
> Thought I'd read something on the Blug...
>
> ht
Thought I'd read something on the Blug...
http://rivbike.tumblr.com/post/91879283499/all-of-our-bikes-have-disc-brakes
On Friday, May 8, 2015 at 8:09:46 AM UTC-7, Steve Cole wrote:
>
> Has anyone heard any rumors about a future Riv being introduced with disc
> brakes?
>
> Steve Cole
> Arlingto
Oh, alright, sorry, misunderstood.
Once again, my main point: the real benefits of disk brakes, at least for
non-technical, non-steep-downhill riding, are IMO for the rim.
On Fri, May 8, 2015 at 5:03 PM, Garth wrote:
> Yes ! As if, for example you need disc brakes now to "ride the gravel"
> !
Yes ! As if, for example you need disc brakes now to "ride the gravel" !
Hence
...you now would need a whole new bike...a "gravel grinder" marketed just
for that. Your cross or any other bike is somehow .now obsoletete !
Basicly create and market a whole new bike around the brakes a
I'm presuming Garth is saying the marketing money telling people they
*need!* a new bike with disk brakes to be safer, faster, lighter, stronger,
sexier.
On Friday, May 8, 2015 at 1:12:51 PM UTC-7, Patrick Moore wrote:
>
> Bullshit. Avid B7s are a lot cheaper than the calipers that Rivendell
Bullshit. Avid B7s are a lot cheaper than the calipers that Rivendell sells!
On Fri, May 8, 2015 at 1:59 PM, Garth wrote:
>
>
>The truth of the disc brake craze : always follow the $$$ trail .
>
> --
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> "RBW Owners Bu
A beautiful bastard, to be sure!
On Fri, May 8, 2015 at 1:58 PM, Mike Shaljian
wrote:
>
> I wonder what a Grant Petersen - Jeff Jones lovechild bike would look
> like. . .
>
> --
>
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Mechanical disks are at least (I think that's true) as simple and reliable
as calipers and cantis and V brakes. All have problems -- mine, with Avid
BB7s, is that little forces bend the disks so that they very, very light
rub -- "whisk, whisk, whisk" -- but this has been a aproblem only when
moving
The truth of the disc brake craze : always follow the $$$ trail .
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You should check out Jeff Jones' truss forks! They are freaking beautiful and
smart. After beginning to dip my feet into technical trail riding lately, I'm
really impressed with mechanical disks, despite very much being in the
Retro-Grouch camp. If you're riding a loaded bike on rough roads or r
Is it possible to repair disk setups on the roadside?
I wouldn't want to be stranded with a blown tube, or loss of fluid, or
something else wrong that isn't fixable roadside.
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It may have been discussed, but I've never seen a picture of a Bombadil
prototype with disc caliper tabs.
e.g.
http://chicogino.blogspot.com/2008/05/rivendell-bombadil-my-two-week-fling.html
On Friday, May 8, 2015 at 10:46:48 AM UTC-7, jpp wrote:
>
> I could be remembering wrong, but I feel like
I could be remembering wrong, but I feel like a bomba prototype had them.
Or at least it was discussed
On Friday, May 8, 2015 at 11:09:46 AM UTC-4, Steve Cole wrote:
>
> Has anyone heard any rumors about a future Riv being introduced with disc
> brakes?
>
> Steve Cole
> Arlington, Virgini
I hope not!
On Friday, May 8, 2015 at 11:09:46 AM UTC-4, Steve Cole wrote:
>
> Has anyone heard any rumors about a future Riv being introduced with disc
> brakes?
>
> Steve Cole
> Arlington, Virginia
>
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Haven't heard anything but it seems unlikely. Grant has stated that a
bicycle wheel functions as a large and powerful disc. Personally, the
aesthetics of disc forks look pretty dismal.
dougP
On Friday, May 8, 2015 at 8:09:46 AM UTC-7, Steve Cole wrote:
>
> Has anyone heard any rumors about
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