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Derailleur hanger length???

kellyn7

Monkey
Apr 12, 2005
125
0
San Diego
I'm upgrading my drivetrain on my demo8 with a Sram x.9 rear derailleur but I'm wondering what cage length I should run. I plan on running a 38t chainring up front with a Sram 9spd 12-26 cassette in back. Any other drivetrain recommondations will be appreciated.
 

Jm_

Turbo Monkey
Jan 14, 2002
9,653
2,013
AK
kellyn7 said:
I'm upgrading my drivetrain on my demo8 with a Sram x.9 rear derailleur but I'm wondering what cage length I should run. I plan on running a 38t chainring up front with a Sram 9spd 12-26 cassette in back. Any other drivetrain recommondations will be appreciated.
Depends on how much chainstretch your bike has.
 

zahgurim

Underwater monkey
Mar 9, 2005
1,101
12
lolAsia
I run a super short roady(less than 50mm) cage on my 9" DH with no probs whatsoever. I'm also running an 11-32 cassette, which is a much larger range than your 12-26.

Since you're running a single ring up front, you should be able to run a short cage no prob.