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How different are Shimano Chains/Cassettes?(5 posts)

How different are Shimano Chains/Cassettes?zakky
Jun 20, 2003 7:00 AM
i just got a lemond buenos aires. lemond cheaps-out and specs the bike with an HG-70 cassette from the 105 group and an HG-53 chain from the tiagra group, despite the ultegra parts everywhere else

i'm trying to decide whether to buy a better chain and/or a better cassette.

what's the difference in the manufacturing and performace of chains and cassettes as you move from tiagra to 105 to ultegra? do cheaper chains wear out faster? can i do any *damage* by keeping the stock chain and cassette? will shifting be smoother or noticeably better with an ultegra chain and cassette?

i know i'm being a bit paranoid, but i'm thinking that spending a few dollars now might save me hassle and/or money later.

thanks,
zak.
IMHO, not noticeable differences in perfomance and longevityc722061
Jun 20, 2003 8:00 AM
Never noticed a difference, either (but I use SRAM now) -nm-cory
Jun 20, 2003 8:17 AM
re: How different are Shimano Chains/Cassettes?LC
Jun 20, 2003 9:07 AM
Not worth changing till it wears out unless you want different sized cassette.
re: How different are Shimano Chains/Cassettes?CurtSD
Jun 20, 2003 9:49 AM
The main difference between the 105 cassette and ultegra, is that the 105 uses all individual cogs, while the ultegra has multiple cogs connected together into a single subassembly to save weight - so ultegra will be a few grams lighter. Dura-ace cassettes have Ti cogs that are lighter still, but wear faster. I've used 105, Ultegra, and Dura-ace cassettes, and I've noticed no performance difference between them.