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Old 12-08-06, 05:56 AM   #1
jbrians
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Road/MTB component compatability

I am building a new commuter up from the parts bin on a KONA MTB frame. I have a complete Deore DX 8sp drivetrain that I would like to use. The crank I have is a Truvativ 53-39 from a roadie that is now a leftover since I converted to a compact.
Are there issues with getting the Deore left shifter to work on a double road crank?
The shifters are integrated with the brake levers and I was planning on changing to V brakes from the canti setup the bike came with. My guess is that won't work right without a lever change as well? I plan on staying with flat bars.

btw...the rear wheel going into this is the first wheel build that I've ever tried! 3X driveside and 2X left side. It's a thing of beauty.
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Old 12-08-06, 10:23 AM   #2
Sheldon Brown
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Quote:
Originally Posted by jbrians
I am building a new commuter up from the parts bin on a KONA MTB frame. I have a complete Deore DX 8sp drivetrain that I would like to use. The crank I have is a Truvativ 53-39 from a roadie that is now a leftover since I converted to a compact.
Are there issues with getting the Deore left shifter to work on a double road crank?
The shifter should work fine--doubles are WAY less fussy than triples.

You may have clearance issues trying to put such large chainrings on a MTB frame. Might need to use an extra long bottom bracket and settle for strange chainline.

Quote:
Originally Posted by jbrians
btw...the rear wheel going into this is the first wheel build that I've ever tried! 3X driveside and 2X left side. It's a thing of beauty.
Sounds like a lot of trouble...what's the point?

Sheldon "http://sheldonbrown.com/speeds" Brown
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Old 12-08-06, 03:18 PM   #3
jbrians
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Quote:
Originally Posted by Sheldon Brown
The shifter should work fine--doubles are WAY less fussy than triples.

You may have clearance issues trying to put such large chainrings on a MTB frame. Might need to use an extra long bottom bracket and settle for strange chainline.


Sounds like a lot of trouble...what's the point?

Sheldon "http://sheldonbrown.com/speeds" Brown
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|  The thing about the cold is that you can never tell how cold  |
|  it is from looking out a kitchen window. You have to dress    |
|  up, get out training and when you come back, you then know    |
|  how cold it is.		   	                -Sean Kelly  |
+----------------------------------------------------------------+

The point about the wheel build, was the spokes on the nondrive side where too short when I spoked it up in a 3X so I took a cross out and now they work fine.

I'll check that chainline before I order the BB. If necessary I can put in a triple and take the small one off.

Thank you for the reply!
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