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Capacity of 8sp Ultegra Rear(4 posts)

Capacity of 8sp Ultegra Rearflybyvine
Jan 22, 2002 8:30 PM
I have an old 8sp Ultegra Rear Derailleur on my "beater" and want to put a larger cassette on it so I can pull the kids trailer etc. Anyone know what largest cog and max capcity it can handle ?

I can';t find any info on old Shimano stuff on their web site.

re: Capacity of 8sp Ultegra Reardavet
Jan 22, 2002 10:33 PM
I believe it's 27, but I installed a 30t cog and with adjustments everything worked fine.
Rated for 27(??), but I know it works with 28Retro
Jan 23, 2002 9:31 AM
Seems to me it's rated for 27, but mine shifts with a 28, and it looks like it might handle a little more.
re: Capacity of 8sp Ultegra RearChen2
Jan 24, 2002 3:36 PM
You might want to check out for custom built cassettes and/or individual cogs available for sale.