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Convert 13-26 to 11-30 8spd(3 posts)

Convert 13-26 to 11-30 8spdST
May 25, 2001 2:35 PM
I have a 96 trek bike with an Shimano 8spd 105 drivetrain and an 600 rear deraileur. Lately, my friends have been taking me on rides that have lots of hills. Although I can climb with the gearing that I have now, I feel it would be easier on my knees if I have a higher gear than the 13-26. I looked at the 8 spd XT cassete, but I am not sure that it will work with deraileur. I don't want to spend alot of money to get a triple. What do I need in order to get the drive train to work with an XT11-30 cassete?
re: Convert 13-26 to 11-30 8spdSpoke Wrench
May 25, 2001 6:23 PM
In addition to the new cassette you will need a new, longer chain and a mountain bike rear derailleur.
re: Convert 13-26 to 11-30 8spdJethro Notbodine
May 25, 2001 8:38 PM
Your derailer is speced for a 28 tooth max rear cog.Mine shifts a 30 just fine.Most will handle a few extra teeth with no problem,as specs are typically conservative to give manufacturers 'wiggle room'. You may have to fiddle with chain length and B tension adjustment.