Compatible shifters with SRAM X.0 rear derailleur

Please help, I need some mechanical information. I just mounted a
SRAM X.0 rear derailleur on my Bacchetta Aero to replace the Ultegra
(53-39-26 front, 12-27 rear going to a 12-30 or 12-32) I can't get
the derailleur to shift throughout all 9 cogs on the cassette. The
limit screws are set correctly. Is the Rocket shifter incompatible
with the X.0 derailleur? If not, what else might I be doing wrong?

Will Shimano Dura Ace barcon shifters work with the X.0?

Thanks for any assistance.

Marc

"Marc Rosenbaum" wrote in message:

Please help, I need some mechanical information. I just mounted a
SRAM X.0 rear derailleur on my Bacchetta Aero to replace the Ultegra
(53-39-26 front, 12-27 rear going to a 12-30 or 12-32) I can't get
the derailleur to shift throughout all 9 cogs on the cassette. The
limit screws are set correctly. Is the Rocket shifter incompatible
with the X.0 derailleur? If not, what else might I be doing wrong?

With SRAM's X.0 RD's you need the SRAM ESP 1:1 ratio shifter. Your SRAM
Rocket is Shimano compatible which is different as you learned.

Will Shimano Dura Ace barcon shifters work with the X.0?

Only in friction mode, you'd have same problem trying to index the X.0 ESP
RD with a non-ESP shifter. If you want to keep the new RD, get a Right Hand
SRAM 9spd ESP Shifter such as: X.0, X.9, X.7, 9.0 or 7.0..

Thanks for any assistance.

No problem,

Rick "a Bacchetta Dealer" Steele
Gold Country Cyclery
Cameron Park, CA
http://www.tandems-recumbents.com

"Marc Rosenbaum" wrote in message:

Please help, I need some mechanical information. I just mounted a
SRAM X.0 rear derailleur on my Bacchetta Aero to replace the Ultegra
(53-39-26 front, 12-27 rear going to a 12-30 or 12-32) I can't get
the derailleur to shift throughout all 9 cogs on the cassette. The
limit screws are set correctly. Is the Rocket shifter incompatible
with the X.0 derailleur? If not, what else might I be doing wrong?

With SRAM's X.0 RD's you need the SRAM ESP 1:1 ratio shifter. Your SRAM
Rocket is Shimano compatible which is different as you learned.

Will Shimano Dura Ace barcon shifters work with the X.0?

Only in friction mode, you'd have same problem trying to index the X.0 ESP
RD with a non-ESP shifter. If you want to keep the new RD, get a Right Hand
SRAM 9spd ESP Shifter such as: X.0, X.9, X.7, 9.0 or 7.0..

Thanks for any assistance.

No problem,

Rick "a Bacchetta Dealer" Steele
Gold Country Cyclery
Cameron Park, CA
http://www.tandems-recumbents.com

(Marc Rosenbaum) wrote in message . com...
Please help, I need some mechanical information. I just mounted a
SRAM X.0 rear derailleur on my Bacchetta Aero to replace the Ultegra
(53-39-26 front, 12-27 rear going to a 12-30 or 12-32) I can't get
the derailleur to shift throughout all 9 cogs on the cassette. The
limit screws are set correctly. Is the Rocket shifter incompatible
with the X.0 derailleur? If not, what else might I be doing wrong?


Bingo.
XO, X9's and X7's (and a few others) all use the SRAM standard amount
of cable pull. They are 1:1, while Shimano Indexes at a 2:1 ratio
(The shifter pulls twice as much cable. I don't know the actual draw
of cable distance, but it h'ain't the same. Rockets list up as
"Shimano Compatible"

http://www.sram.com/mtb/shifters/rocket/twist_shift.asp

Will Shimano Dura Ace barcon shifters work with the X.0?
Friction Mode is a go. Any friction shifter will work.

SRAM has been talking about a road group, but I haven't seen it and
don't know if it will be compatible with the mountain group. But, you
must have flat-ish bars if you are running the Rocket....

Hope you saved the receipt and the packaging...

-- Jim

(Marc Rosenbaum) wrote in message . com...
Please help, I need some mechanical information. I just mounted a
SRAM X.0 rear derailleur on my Bacchetta Aero to replace the Ultegra
(53-39-26 front, 12-27 rear going to a 12-30 or 12-32) I can't get
the derailleur to shift throughout all 9 cogs on the cassette. The
limit screws are set correctly. Is the Rocket shifter incompatible
with the X.0 derailleur? If not, what else might I be doing wrong?


Bingo.
XO, X9's and X7's (and a few others) all use the SRAM standard amount
of cable pull. They are 1:1, while Shimano Indexes at a 2:1 ratio
(The shifter pulls twice as much cable. I don't know the actual draw
of cable distance, but it h'ain't the same. Rockets list up as
"Shimano Compatible"

http://www.sram.com/mtb/shifters/rocket/twist_shift.asp

Will Shimano Dura Ace barcon shifters work with the X.0?
Friction Mode is a go. Any friction shifter will work.

SRAM has been talking about a road group, but I haven't seen it and
don't know if it will be compatible with the mountain group. But, you
must have flat-ish bars if you are running the Rocket....

Hope you saved the receipt and the packaging...

-- Jim

Got my answer, thanks - not compatible!

(Marc Rosenbaum) wrote in message . com...
Please help, I need some mechanical information. I just mounted a
SRAM X.0 rear derailleur on my Bacchetta Aero to replace the Ultegra
(53-39-26 front, 12-27 rear going to a 12-30 or 12-32) I can't get
the derailleur to shift throughout all 9 cogs on the cassette. The
limit screws are set correctly. Is the Rocket shifter incompatible
with the X.0 derailleur? If not, what else might I be doing wrong?

Will Shimano Dura Ace barcon shifters work with the X.0?

Thanks for any assistance.

Marc

Got my answer, thanks - not compatible!

(Marc Rosenbaum) wrote in message . com...
Please help, I need some mechanical information. I just mounted a
SRAM X.0 rear derailleur on my Bacchetta Aero to replace the Ultegra
(53-39-26 front, 12-27 rear going to a 12-30 or 12-32) I can't get
the derailleur to shift throughout all 9 cogs on the cassette. The
limit screws are set correctly. Is the Rocket shifter incompatible
with the X.0 derailleur? If not, what else might I be doing wrong?

Will Shimano Dura Ace barcon shifters work with the X.0?

Thanks for any assistance.

Marc

Will Shimano Dura Ace barcon shifters work with the X.0?

"Jim Edgar" wrote:

Friction Mode is a go. Any friction shifter will work.

Not this combination. There isn't enough throw in a Dura Ace barcon to
accommodate the unusual cable-pull requirement of an X.0 derailleur.

James Thomson

Will Shimano Dura Ace barcon shifters work with the X.0?

"Jim Edgar" wrote:

Friction Mode is a go. Any friction shifter will work.

Not this combination. There isn't enough throw in a Dura Ace barcon to
accommodate the unusual cable-pull requirement of an X.0 derailleur.

James Thomson

m angyo- I just mounted a
SRAM X.0 rear derailleur on my Bacchetta Aero to replace the Ultegra
(53-39-26 front, 12-27 rear going to a 12-30 or 12-32) I can't get
the derailleur to shift throughout all 9 cogs on the cassette. BRBR

This rear der is compatible with Sram shifters only. need a shimano long cage
rear der.

Peter Chisholm
Vecchio's Bicicletteria
1833 Pearl St.
Boulder, CO, 80302
(303)440-3535
http://www.vecchios.com
"Ruote convenzionali costruite eccezionalmente bene"