I have a 2010 Trek Madone, 3.1 with the original 11-28 cassette. how often does this item needs to be replaced?
20081
Depends entirely on how much you ride, and how you ride. Other factors include riding conditions and how often you replace your chain. Only an experienced mechanic can help you determine when your cassette needs to be replaced.
397523
Freewheels and cassettes are two different and non-compatible gear clusters for the rear hub of derailer bicycles. If you are buying a new gear cluster and are presently using a 7 speed cassette, best to buy a direct replacement cassette gear cluster. If you bought a cassette and found out your hub was older and used freewheels then those are also available. Go to the Sheldon Brown website for a more complete description of both gear systems.
133787
This wheel uses a freewheel. looks like your currently running a cassette. You'd need to get a freewheel in the least. Sorry to be so late. I use email very infrequently.
1632548
I went to my local bicycle store and they were able to replace it. Expect to pay between 20-40$ but it can easily be replaced.
2271598
I have 2 and an original....they all seem to last about the same ...I just change them when they need it and don't keep track or worry about it.....
761686
This is a screw on freewheel requiring threads on the rear hub popular on older bikes 1990's and older. I believe newer bikes use cassettes and are not interchangeable. Perhaps some less expensive bikes may still use freewheels. You can take your rear wheel to your local bike store and they can tell you what you have. You will need some kind of removal tool you can buy from them anyway.
2080071
I have the ultegra short derailer and switched from a 11-28 tiagra cassette to the 12-30 ultegra casette. It maxes out the derailer but has worked great for the Pittsburgh hills. Just completed the DC to PGH ride with that setup.
67078
Unless you are patient about doing it yourself, I would take it to a bicycle shop. They can replace it and in my area, it would cost less than $15.
2258331
Usually cassette sizes 7,8 & 9 are compatible. It's a newer bike so I think you should be fine. Remember if you decide to switch the speeds on the bike you're also going to have to switch the shifters if they are not compatible to the speed...
303355
I only use mine for a couple hours while riding my bicycle. Check the instructions for the duration of time it is suppose to last. If you are experiencing less than normal operating time, you should be able to replace it.
1816756
My gears (metal) are fine after a couple dozen uses since November 2012. Just a few spots of rust, perhaps because I wash it in the dishwasher, against manufacturer's instructions. By "wore out" do you mean the gear teeth broke or merely that the gears fell off? Be sure to only turn the crank clockwise. If you turn it the wrong way the gears will unscrew and fall off, but you can screw them back on again. That's not the same as being worn out.
479359
It sounds like you might have a medium cage rear derailleur. I have a medium cage Ultegra on another bike. I think a maximum size of 30T for the rear cassette is possible with this length of rear derailleur. You'd need a "long" rear derailleur to use anything beyond 30T. (On a second bike, I have a SRAM setup with a SRAM long cage derailleur and it works great.)
30039
I would be extremely surprised your derailleur has the capacity for a 11-36 or 12-36. 11-28 is the most they typically can handle, if that.
571233
I have a Jamis with an 11-32 cassette and this chain was original equipment. I am now using it as a replacement chain. SRAM derailleur and cassette, but I don't think that matters.
22633
Most likely ,if, all the parts are original. If you clean that cassette really well you should find some identification information stamped/engraved on it someplace. Good luck.
390104
this is a mountain cassette it wont work. yhe hub is different (im pretty sure)
916945
If I were you I'd call Schwinn and ask them. I guess you didn't see my review where I gave them a one-star rating because the electronics in my bike just up and quit after about 40 hours of use. I threw my bike away.