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It currently has a 7-speed Shimano Altus derailleur The RD-M310 is actually a 7/8 speed derailleur. Kind of between the bottom-line Shimano Tourney line, designated as 7 speed, and the Acera 8 speed (RD-M360). Still, just this morning I saw a Tourney on someone's 8 speed commuting bike (one chainring front, 11-34T 8 in the back). I can't think of any ...


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High end road bikes often use high profile carbon rims which act like a sound box. You'll notice not only the freewheel is louder, other rattling noises the bike makes (like on bad pavement) are louder as well.


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If you want to change your cassette to something with more gears, then you will need to replace the rear shifter and possibly the rear derailleur. A cheaper option would be to get a wider range cassette which still has 8 gears. You'll have bigger jumps between the gears, but you'll have a bigger range of gears. With a wider range cassette, you may need a ...


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Like another answer pointed out, there will be a difference in how the transition between gears feels; assuming they have the same number of sprockets, shifting from one gear to another on the 14-28 should feel "smoother" than on the 11-28. From a performance standpoint, the 11-28 will give you the option of more speed, by virtue of you having smaller ...


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With 11 teeth, you'll get more range when you max out. However, the 14-28 cassette will feel smoother as you go through the gears, because the number of teeth of adjacent gears will be that much closer. For my money, you spend little enough time in those highest gears that any "advantage" is debateable.


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You need Med to long dérailleur for 32t+34t Cogs. Not sure but, yours should be long, due to age. You can't add a gear. Road bikes usually do not have a 32t cog. Change out your large cog for a 32t cog. You may need a longer chain too. Here is a link on freewheels customizing etc...http://www.sheldonbrown.com/freewheels.html


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Just to add one more perspective: I've done this on a racing route full of hills. I swapped out my medium cage 105 for a mountain bike derailleur (Deore 9 speed). I was teased a bit, but after 85 miles I was asked a lot of questions as to how I did this and why it worked. Large cog was 34, and I had no problems shifting. So consider dishing out for a ...


3

It is a freewheel. You will need the appropriate freewheel tool. The tool typically won't fit without removing the axle. You may also need the correct cone wrenches. This makes it a good time to service the wheels bearings as well. You may want to consult your LBS and compare the cost of having it done versus purchasing the tools you may only use once.


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Take your rear wheel off and visually inspect the cassette. Compare with this answer http://bicycles.stackexchange.com/a/21406/19705 and see which you have. Given bikepedia says 8 speed, its most likely to be a cassette. This is a freehub with a cassette. Note the ring of indentations just inside where it says 12T. That silver ring will unscrew ...


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I just upgraded from a 9 speed to a 10 speed cassette. All I changed was my shifters and my chain. It's the shifters that determine how much the derailleur moves. The big companies want you to spend money in upgrading everything but that is not needed. I did this on my 2011 Giant Defy that was outfitted with Tiagra group set. I changed the shifters to 10 ...



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