T.R | Title | User | Personal Name | Date | Lines |
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2901.1 | | DELNI::CRITZ | Scott Critz, LKG2/1, Pole V3 | Wed Jan 11 1995 10:22 | 9 |
| BICYCLING did a comparison of the two shifting system within
the last two years.
I remember that the Grip Shift had about 10 moving parts; the
Rapidfire had about 40. Thus, I assume the grip shift is easier
to adjust and work on. I've heard that you need a trained mechanic
to work on rapid fire.
Scott
|
2901.2 | | SWAM2::BURDICK_JI | | Wed Jan 11 1995 10:48 | 4 |
| I have rapidfire+ and am very happy with it. The Bicycling article
mentioned that it's much harder with grip shift to shift and brake at
the same time, which I do a lot. (maybe I should learn not to be a
chicken and just not brake!)
|
2901.3 | | STOWOA::SWFULLER | | Wed Jan 11 1995 11:07 | 9 |
| There are various levels of Gripshift, make sure you do an
apple-to-apple comparison. Gripshift is becoming extremely popular in
at all levels. Also, if it is Gripshift, what is the quality of the
brake levers they are using. I have seen some pretty cheap stuff.
Unfortunately, all new systems will screw up with a good fall..., no
manual override.
steve
|
2901.4 | | PCBUOA::KRATZ | | Wed Jan 11 1995 14:11 | 9 |
| I was happy with my RapidFire right up until the point it broke
(after about 2 years). Despite the little rubber plugs, dirt
and grime ends up getting in there and it eventually fails.
Once it does, it's literally impossible to fix, and a total refurb
kit costs just as much as the top-of-the-line Grip Shifts...
so I went with GripShifts. It took me about 10 seconds to fall
in love with the GripShifts. The only thing I miss is the ability
to brake hard and shift at the same time, and even that's possible
with GripShifts and a little finesse. Kratz
|
2901.5 | Which is better? The one you like. | DECWET::TEAGUE | Windows NT Distributed Technologies | Wed Jan 11 1995 15:24 | 51 |
|
Which is better? The one you like best. That's what it comes down to.
I was skeptical last September when I first started looking at new
mountain bikes. It seemed that everyone was going to GripShift for
1995. In reality, about 50% of all bike models (industry wide) will
have GripShift in '95, which is an amazing factoid.
I rode and tested both in my shopping, and decided that I like GripShift.
GripShift is *not* new...it has been around for years, and the design
has been considerably refined and improved. I always think about things
like Shimano's rear U-brake that took the industry by storm in 86/87...
and then was even more promptly dumped after reality set in.
Indisputable facts about GripShift:
- It is a U.S.A. technology. I don't "Buy American no matter what",
but if American technology is competitive in price and quality,
I'm happy to. [My analogy about Shimano is that they were becoming
the Microsoft of mountain biking, and I think everyone will win now
that Shimano is getting some serious competition.]
- It is lighter than RapidFire+. Not only that, but it allows
you to use after market brake levers to further lighten
your bike.
- It is much less complex than RapidFire+. But wait a minute...how
often does one *really* need to do more than adjust a cable? It
doesn't appear to be any more or less prone to failure.
- It is taking the racing scene by storm. But GripShift is smart, and
has a big time race promotion program. Don't think for a second
that all racers have paused and pondered and carefully weighed all
the pros and cons, and then made independent unbiased decisions to
switch: they and their teams are being "encouraged". On the other
hand, if it adversely affected their race performance, they wouldn't
use it.
More disputable is the claim that GripShift is ergonomically superior. I
don't think so. As has already been mentioned, it does take some fancy
contortions to brake and shift at the same time. The winner is a matter
of individual taste.
There's also a second-order ergonomic effect of GripShift: note that GripShift
uses a chunk of your handlebar space. This means that your brake levers are
placed more to the inside, and further away from your fingers, resulting in
an ergonomic disadvantage. Brake lever manufacturers are starting to
compensate for this by providing either longer levers, or offset units.
Jim
|
2901.6 | i slqjh | SNLV01::PARSONSDAVID | | Wed Jan 11 1995 21:37 | 41 |
| Thanks for your constructive answers, It is late night shopping here
tonight so I am going to visit a few bike shops and see what is up for
grabs.
The Gripshift technology has been around in various guises for a number
of years now. I am English and if any of you are English and fairly
youngish you will possibly remember a kids bike made by Raleigh called
the Grifter. This was quite literally a tank of a bike, sturdily made and
weighing in at around 1 tonne, but joking aside, had a very primitive
form of gripshift (not made by Gripshift BTW). A three speed 'throttle'
style shifter using a Sturmey Archer 3 speed gear set which had an
extremely dangerous slip gear which would always take you by suprise
when you went to change gear and ended up smashing your kneecap into
the handlebars. I did this many times in my earlier days as did most of
my friends. I now wonder why such a dangerous machine was ever
produced and released on to the market but I digress.
I used to have XT Rapidfire+'s, what is the Gripshift equivalent of
this level of shifter. I am in Australia now and the cost of anything
imported is pretty astronomical especially bike parts. I thought
England was expensive, you Americans would all have heart attacks if
you came over and saw some of the ridiculous prices. Because of the
expense involved, the best I can really afford would be SRT600's
although possibly SRT800's if I am lucky. How do these two systems rate?
Also I am going to have a look at some Kona's later on, can anyone give
a breif evaluation of the Kona AA as this seems to be a nicely specced
bike that is just about in my price range.
One good thing about Australia however is the amount of nice biking
weather we get when compared to England and also there are many decent
trails around Sydney too. Whats more I read somewhere that the World
Cup is coming to Thredbo soon, this is only a couple of hours away so
it will be good to go and watch.
Thanks again,
David.
|
2901.7 | | STOWOA::SWFULLER | | Thu Jan 12 1995 11:09 | 4 |
| re:.6 You should do what many over in Aussie land do, have your
travelling friends buy for you when they are travelling to the states.
steve
|
2901.8 | My experience with Gripshift | AIMHI::TCC050::LARSON | | Wed Jan 18 1995 12:06 | 31 |
| I bought into the Gripshift hype last fall. I like it for the most part
(but I liked my top mounts better).
A couple of comments:
1. It works well for the rear deraileur but the front is less than
desireable (mine is last years 500 series, and the front shifter requires
quite a bit of rotation to change chainrings. This has "almost" caused
catastrophic results when downhilling by having my wrist twisted way down
and hitting a good sized bump. I've read that this problem no longer exists
with the '95 Grip Shift. Keep your cables clean/lubed and it'll work
great.
2. I like to bunny hop. When hopping, you get the front end over
the obstacle, then you shift your weight forward while twisting your grips
forward (to raise the rear end over the obstacle). More than once I've
dumped several gears because my hand was on the shifter a bit when I began
the jump. This leaves you in a VERY low gear when you land. Consequently,
you land, start to pedal and spin wildly because your undergeared. As you
can imagine, this can also have catastrophic results.
3. There is an issue if you want to use a 1 piece bar/barend
combo, the the grip shift must be cut with a razor knife. This works but
may void the warranty. Probably best left to a bike shop.
Other than the intermittent problems I have, I like them. They
were cheap, light and I can adjust the angle of my break levers independent
of the shifter, another big plus.
Mike
|
2901.9 | Get a "Bassworm" with your gripshift | MKOTS3::tcc050.mko.dec.com::larson | | Fri Jun 30 1995 11:18 | 26 |
| I recently upgraded my Gripshift to 800 X-Ray. Performance is great. The
front shifter is real short throw. 3 clicks between chainrings. I am
using a Shimano LX front deraileur.
The rear works great also. Until the rear cable houseing got dirty. Then
it was still great going up the cogs, but when I came back down the XT
rear deraileur spring wasn't strong enough to pull the chain down. I had
to move the chain more than 1 cog at a time...VERY annoying. So, I heard
about this option from gripshift, called the Bassworm. It provides 2
functions.
1. It acts as a 2nd deraileur spring, making upshifts and
downshifts smooth.
2. It acts as a seal, keeping dirt/water out of the rear
deraileur cable housing.
I've had the Bassworm for 3 weeks and it still shifts like a dream.
Without it I had to lube the R.D. Housing after every ride. I havn't had
to touch it since.
I seriously recommend the "Bassworm" for anyone with Gripshift. It cost
$12 dollars at my local shop...although some catalogues have it for $8.
Mike
|
2901.10 | | WMOIS::GIROUARD_C | | Fri Jun 30 1995 11:21 | 3 |
| Tell me more (i have 800 X-Rays) like what's it look and attach to...
Chip
|
2901.11 | It looks like... | ODIXIE::CIAROCHI | One Less Dog | Fri Jul 07 1995 14:03 | 34 |
| I put the worm on when I installed the shifters - I can't even tell you
what it's like without it.
Basically, it looks like a worm.
Sorry, I couldn't resist. Normally, starting from the rear derailleur,
the cable goes through the jacket, and the jacket is seated in a
braze-on seat. The cable thence meanders on up to your handlebars.
The Bassworm is a piece of transclucent (worm colored) surgical tubing
with a do-hickey on one end and a collar with a set screw on the other.
The do-hickey sits in the braze-on instead of the cable jacket, and the
jacket seats in the do-hickey. I'm sure this is a clear picture, but
it's not really that important. The important part is that the cable
feeds through the worm before it meanders up to the shifters, and the
do-hickey fixes one end of the worm to your frame.
What you do is s-t-r-e-t-c-h the worm up the cable, and use the set
screw to fix the *other* end of the worm to the cable. Thus, the worm
is pulling the cable back towards the derailleur. As you shift down,
it stretches the worm, and increases the tension. This makes it easier
to shift up (the direction normally assisted only by the deraileur
spring).
I don't know why the spring tension is insufficient for these shifters,
but it does make a difference - I increased the tension a couple times
before I was happy with the result.
It costs about seven bucks. It's worth it just to be able to say you
installed a bass worm on your bike.
Later,
Mike
|
2901.12 | | ODIXIE::CIAROCHI | One Less Dog | Fri Jul 07 1995 14:16 | 22 |
| New subject - I got tired of fixing the rapid fire (very old) so I
popped for the Grip Shifts. Actually, they were cheaper. I put some
Tekro (?) levers on with the shifters, and made the bike about two
pounds lighter in the bargain.
I used to wonder about the people complaining about braking and
shifting simlutaneously with GS. Who would do that, anyway? Of
course, the first thing I did was nearly bean myself on a tree trying
to shift and brake at the same time. It takes some getting used to.
Anyway, over the 4th I made time for a ride through the country, and
learned something new about the Grip Shift. The first thing on my body
to give out was my forearms. After a couple of hours, I was just about
ready to do anything to avoid shifting gears.
It was mainly moving the between the chainrings, which is a pretty good
tug on my bike. I wonder if putting a bass-ackwards-worm on the front
derailleur would help?
I guess my training regimen should now include wrist-curls...
Mike
|
2901.13 | | BUSY::SLABOUNTY | Trouble with a capital 'T' | Thu Jul 13 1995 11:44 | 14 |
|
I have Gripshifters on my bike, and the rear derailleur seems to
have a problem with upshifting. And the thing that seems strange
to me is that the lower gear is bigger in size than the higher
gear, and closer to the wheel, and the derailleur seems to have no
problem stretching the chain around the bigger gear ... but when
it has to upshift, and move from a big gear to a small gear, it
"lags", so to speak.
Maybe it's just an adjustment ... we'll see. The bike's only 2
weeks old, so I don't want to take it in for the free check-up
[30-day] yet in case something breaks in the next 2 weeks ...
even though it already has about 185 miles on it.
|
2901.14 | | STOWOA::SWFULLER | | Thu Jul 13 1995 12:08 | 10 |
| You could either have a bind in a cable, a cable that was not properly
trimmed, or the current complaint of Shimano's springs being a lot
softer, thereby making gripshifts lag a bit. Gripshift make a piece of
rubber tubing, gripworm or something like that, which helps.
Goretex shift cables also help.
Of course it could be simply a derailleur adjustment
steve
|
2901.15 | | CONSLT::MCBRIDE | Reformatted to fit your screen | Thu Jul 13 1995 12:14 | 4 |
| >> Of course it could be simply a derailleur adjustment
What??? And deny shawn of more opportunities to spend money on his new
toy??? Surely you jest! :-).
|
2901.16 | | WMOIS::GIROUARD_C | | Thu Jul 13 1995 12:50 | 5 |
| Brian is right. Shawn, write directly to Shimano (Japan) c/o their
R&D group. Get the specifications from them (FAX'd collect of course).
Pull all of your components and the mic'd and fluxed just to make sure
it isn't just a simple adjustment that's required :-).
|
2901.17 | | BUSY::SLABOUNTY | Trouble with a capital 'T' | Thu Jul 13 1995 14:13 | 7 |
|
If the worm doesn't work I'll buy a new derailleur.
Then if that doesn't work I'll try an adjustment on the old one.
8^)
|
2901.18 | forget adjustments buy more thingies ;-) | SALEM::SHAW | | Thu Jul 13 1995 14:19 | 8 |
|
I thinks the solustions are, Gortex cables, high end grip shifts or
rapid fire plus.
BTW, has anyone seen the new Shimano shifters, I saw only a picture
in one of the bike mags a few months back. It appeared as the shifters
were monted on the break levers.
Shaw
|
2901.19 | | EXPERI::MENTAL | Got me a caffeine jones! | Thu Jul 13 1995 14:32 | 15 |
|
More than likely a new derailleur won't help much either, since
even Deore XT derailleurs have the same problem (wimpy return spring).
The BassWorm should help out - if not I think there are heftier
return springs available. Or you can go for a Sachs New Success
derailleur ($$$) which is supposed to work very well w/ GripShift.
Try fiddling with the adjustment barrel on the GripShift - try one
turn in each direction top see if it makes a difference. For your
problem, you probably need to slacken up the cable just a bit.
/ken
|
2901.20 | | WMOIS::GIROUARD_C | | Thu Jul 13 1995 15:16 | 5 |
| Shawn, make the shop fix it, period. You've got (like) no miles on that
thing. You shouldn't be having any problems with it. If it does require
an "assitance" product, e.g. bassworm, they should pay for it.
Chip
|
2901.21 | Adjusting an indexed derailleur is easy | NETCAD::FORSBERG | NIPG, Hub Products Group | Thu Jul 13 1995 15:48 | 9 |
| Two years ago, my brand new road bike had too much drivetrain noise.
It was my first bike with indexed shifting. At the suggestion of this
conference, I adjusted the rear derailleur using the procedure
described in 1993.19.
Yes, the store would have done it for me for free but it took me less
time to do it myself than to drive to the store and back.
Erik
|
2901.22 | | BUSY::SLABOUNTY | Trouble with a capital 'T' | Thu Jul 13 1995 15:50 | 12 |
|
Oh, I know ... that's what I'll probably end up doing. It just
seemed strange to me that the derailleur seems to have trouble
shifting in what appears to be the easier direction.
RE: Shaw
I saw a street racer at Landry's that had those shifters. I bel-
ieve it was a Cannondale, and the shifters are inside the brake
levers on the drop bars ... so to shift, you slide the levers with
your index fingers.
|
2901.23 | | PCBUOA::KRATZ | | Thu Jul 13 1995 16:02 | 7 |
| The shift-levers-in-the-brake-levers from Shimano are called STI
and are standard for virtually their entire line (DuraAce, Ultegra,
105, RX100) for '95. Campagnolo has an equivalent (and some say
better, including me) system called ErgoPower.
Do a SEARCH "STI" and you'll find out more than you wanted to know.
Kratz
|
2901.24 | | WMOIS::GIROUARD_C | | Fri Jul 14 1995 06:45 | 5 |
| -1 you're Kratz, they are better...
now duck, i think i hear incoming :-)
Chip
|
2901.25 | No, these are for MTBs | SALEM::SHAW | | Fri Jul 14 1995 07:58 | 8 |
|
No folks, I'm not talking about STI. I have a Kestrel 4000 with STI
(DuraAce ). The Shifters I'm talking about are MTB special
they look likt the current rapid fire plus (except these
in the picture were chrome) but they are place on top of
the break lever.
Shaw
|
2901.26 | | WMOIS::GIROUARD_C | | Fri Jul 14 1995 08:49 | 2 |
| they weren't thumb shifters, were they? you know, those old, obsolete,
and anti-ergonomic disasters...
|
2901.27 | Nahh no thumb shifters.. | SALEM::SHAW | | Fri Jul 14 1995 08:55 | 12 |
|
No they were not thumb shifteres, the levers are exactly like
Rapid fire plus, except they are sitting on the break lever
I guess I need to go back to the mag and copy the picture.
Or we will probably see them on the market next year for year end
MTBs.
Off the subject, everyone be easy on your riding this weekend.
Go to the beach or the mountains were its cooler and ride.
Drink plenty of fluids.....
Shaw
|
2901.28 | | STOWOA::SWFULLER | | Fri Jul 14 1995 09:35 | 6 |
| I personally feel if Gripshift can get their derailleur into mass
production this fall, they are going to make a significant inroad on
the OEM market above $800. Who knows in a few years we may actually
have a reasonably price all american bike.
steve
|
2901.29 | Maybe I need more practice with these... | SALEM::SHAW | | Fri Jul 14 1995 09:58 | 15 |
|
I feel Gripshift need some design improvement or I need more practice
;-)
I am currently in the market for a third MTB, either a Y22 or ProFlex
855. My first upgrade would be to diss the Gripshifts for a set of
Rapidfire plus, (actually the 855 I rode had the Rapidfire plus
already).
I do some nasty trails that have sudden drops or climbs and need to
be able to shift fast and accurately. For X-crountry cruising the
GS are probably ok.
Shaw
|
2901.30 | | WMOIS::GIROUARD_C | | Fri Jul 14 1995 10:59 | 11 |
| -1 no kidding? i've found no deterioration in the speed of shifting.
i think i'll like the shifters. it's just an adjustment to go from
rapids to grips...
on the other topic... funny how a design would go back to the
placement of a shifter that is basically outdated and has been
panned (in comparison to rapids and grip shifters) by all the
big rags...
Chip
|
2901.31 | New Rapid fire shifters | EDWIN::HARVELL | | Mon Jul 17 1995 09:17 | 14 |
| The shifters that are being talked about are the new for 96 model year
rapid fire shifters. They are not yet available. Word is that they are
lighter, have fewer moving parts and will be available without integrated
brake levers. They will be available on at least the xt and xtr line.
Look for them in the fall time. By the way I believe they are machine AL
not chrome.
Me I want to check out the V brake when they are available...
Now to get completely off the subject, not hard around here, anyone doing the
'working mans race' this week? If so what cat? I will be doing cat 5 35+...
Scott
|