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#11
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MTB - Need new chain + cassette
Muddy events at Westgate dirt crits or some earlier Fat Tyre Flyer events this yr can really shorten that drivechain life span. I've yet to master the - replace the chain multiple times to get extra life out of your cogs - without having it jump/skip on the first up hill. I've noticed some MTB slicks can be real thin (not skinny thin, but depth between the raod & rim thin), which can really reduce your overall gearing. I run Specialised Hemishpere 2.0 tyres on my MTD commuter & find this combo good on my Specialised Stumpjumper running stnd 27spd group on the 'Bay ride in previous years. -- Marx SS |
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#12
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MTB - Need new chain + cassette
1013 wrote:
I forgot to mention that my MTB has slick tyres as I do mainly road riding. Is it possible to change the gearing to assist the slicks - I currently run out of gears? The story is that if the chain has stretched more than half way you must replace both or it will skip. Borrow a wear guage to check or look for the measurements on line. I forget exactly but its something like 12 links must not be more than so many inches. As always check Sheldon |
#13
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MTB - Need new chain + cassette
"dave" wrote in message: The story is that if the chain has stretched more than half way you must replace both or it will skip. Borrow a wear guage to check or look for the measurements on line. I forget exactly but its something like 12 links must not be more than so many inches. As always check Sheldon 12" of chain, when new, is 12 full links. If those 12 links are now 12 1/16" you will still be OK to put a new chain on without skipping. If it's 12 1/16" - new chain and cluster. More than 12 1/8" - scrap the chainrings as well, IIRC. Cheers Peter |
#14
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MTB - Need new chain + cassette
"1013" wrote: My Avanti Barracuda MTB is due for a new chain since my current chain has stretched a fair amount. Is it true that you must replace the cassette at the same time as you replace the chain in order for them to "mesh" properly? Depends on wear. plenty of posts on this - look at Seldon Brown's website for directions My bike currently has a Shimano 9-speed cassette on it (not sure of the exact specs). The 05 Barracuda comes with the Shimano CS-HG50 11-32 9spd. What should I be looking at spending for a new one? Is $100 reasonable? I assume the more expensive cassette are lighter. Generally more expensive is lighter, but the current Shimano LX now has the capacity to remove the sprockets. Could be good for total cleaning, and the option of only replacing the worn cogs (usually only the smallest), if you can find replacement sprockets (?) Are there any good websites to compare chain/cassette prices online? I found Torpedo7 had some good prices earlier this year for chains and a cassette. www.torpedo7.co.nz But I do prefer the Wipperman chains, currently using the 908 on bothe bikes with very good wear so far. Cheers Peter |
#15
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MTB - Need new chain + cassette
Peter Signorini wrote:
"dave" wrote in message: The story is that if the chain has stretched more than half way you must replace both or it will skip. Borrow a wear guage to check or look for the measurements on line. I forget exactly but its something like 12 links must not be more than so many inches. As always check Sheldon 12" of chain, when new, is 12 full links. If those 12 links are now 12 1/16" you will still be OK to put a new chain on without skipping. If it's 12 1/16" - new chain and cluster. More than 12 1/8" - scrap the chainrings as well, IIRC. Cheers Peter Hey nearly right |
#16
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MTB - Need new chain + cassette
Paulie-AU wrote:
I reckon you should spring the dollars for an XT and then be nice to it (watch for chain wear) and you will have it for a long time. I also really like the wipperman chains. The 904 is a good chain at a nice price. Seconded. Chain wear is easy to measure. Get an imperial ruler. Measure rivet to rivet across twelve links, and it should be bang on 12". If it's 1/16 more then the chain is probably due for replacement. If it's 1/8 more then your cluster will probably need replacement as well. Dave - who has 11-34 XT clusters on both good MTBs, and cast offs on the rest of the bikes |
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