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2nd wheelset for road on cross bike: use same cassette Tiagra 12-28 10spd or upgrade?

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2nd wheelset for road on cross bike: use same cassette Tiagra 12-28 10spd or upgrade?

Old 09-03-12, 07:13 PM
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2nd wheelset for road on cross bike: use same cassette Tiagra 12-28 10spd or upgrade?

Hello all! Another day, another question.

As it was anonymously concluded in another topic that for second wheelset (for road riding) I need dedicated cassette, now I would appreciate if I could get help in choosing cassette for this second road set.

Bike: Cannondale CAADX 6 Tiagra (cross bike)
Cassette: Shimano Tiagra 12-28, 10-Speed
Additional info: Riding on flat surface I'm using cogs 7-9, but once go up hill, depending on hill grade I can all way back to 1. Though, when I go down hill sometimes I wish there was another gear so I could go faster. As I have not been riding long, with more riding I would expect riding on faster gears, and not needing lowest gear going up hill, right?

Looking at cassettes out there there are so many choices
And different cog number make my head spin.

- Shimano Tiagra - ~$35
- Shimano 105 - $65
- Shimano Ultegra 11-23, 11-25, 11-28, 12-23, 12-25 ~$80
- SRAM PG1070 - ~$80

As price difference isn't that significant, if upgraded cassette offers some benefits I would be willing to upgrade.

Which one to choose? Help?
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Old 09-03-12, 07:23 PM
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keep in mind if you run different cassette ratios between the wheels your derailleurs won't be optimized for the new cassette and you may need to adjust them after each swap out.

So for example, I have one bike with 12-25 cassette and one with 11-28. I cannot just put the 12-25 on my bike that is set up with the 11-28 because the derailleur won't even let me put the wheel on without it being adjusted.

So if you are running different cassettes you'll probably encounter some issues.

You may just want to put a 12-28 on your new wheels to make it easier to switch back and forth
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Old 09-03-12, 07:29 PM
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Originally Posted by manutd
So for example, I have one bike with 12-25 cassette and one with 11-28. I cannot just put the 12-25 on my bike that is set up with the 11-28 because the derailleur won't even let me put the wheel on without it being adjusted.
There is something(s) wrong here. Wheel swaps should need no more than a wee turn of the cable adjuster.

OP because its your money we're spending, get the ultegra 11-28
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Old 09-03-12, 08:13 PM
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Originally Posted by manutd
keep in mind if you run different cassette ratios between the wheels your derailleurs won't be optimized for the new cassette and you may need to adjust them after each swap out.

So for example, I have one bike with 12-25 cassette and one with 11-28. I cannot just put the 12-25 on my bike that is set up with the 11-28 because the derailleur won't even let me put the wheel on without it being adjusted.

So if you are running different cassettes you'll probably encounter some issues.

You may just want to put a 12-28 on your new wheels to make it easier to switch back and forth
Not sure if noob like me should be messing with adjusting anything at this point. :-)
Sounds like I should pick same type.

Thanks!

Originally Posted by znomit
There is something(s) wrong here. Wheel swaps should need no more than a wee turn of the cable adjuster.

OP because its your money we're spending, get the ultegra 11-28
Sorry if silly question: why 11-28, and not 12-28 as my current cassette?
And one more question: other than weight, what would be advantages of installing ultegra?
Thanks!
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Old 09-03-12, 08:22 PM
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It probably is a simple adjustment but I don't want to mess with my derailleurs when they are shifting well as is.

I personally would just go for a 105 cassette....other than weight no real advantage at all (and even the weight isn't really noticeable especially on a cross bike)
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Old 09-04-12, 12:33 AM
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Originally Posted by Bumer
Sorry if silly question: why 11-28, and not 12-28 as my current cassette?
Originally Posted by Bumer
when I go down hill sometimes I wish there was another gear so I could go faster.
That.

Though I see 105 now has 11-28 so save some $ and get that.
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Old 09-04-12, 05:40 AM
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Originally Posted by manutd
keep in mind if you run different cassette ratios between the wheels your derailleurs won't be optimized for the new cassette and you may need to adjust them after each swap out.

So for example, I have one bike with 12-25 cassette and one with 11-28. I cannot just put the 12-25 on my bike that is set up with the 11-28 because the derailleur won't even let me put the wheel on without it being adjusted.

So if you are running different cassettes you'll probably encounter some issues.

You may just want to put a 12-28 on your new wheels to make it easier to switch back and forth
Originally Posted by znomit
There is something(s) wrong here. Wheel swaps should need no more than a wee turn of the cable adjuster.

I agree if the RD can handle the max tooth and wrap it really should just require swapping wheels.

OP because its your money we're spending, get the ultegra 11-28
Good Idea but unless these are race wheels save your money for Starbucks and get the Tiagra
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Old 09-04-12, 06:04 AM
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Originally Posted by manutd
keep in mind if you run different cassette ratios between the wheels your derailleurs won't be optimized for the new cassette and you may need to adjust them after each swap out.

So for example, I have one bike with 12-25 cassette and one with 11-28. I cannot just put the 12-25 on my bike that is set up with the 11-28 because the derailleur won't even let me put the wheel on without it being adjusted.

So if you are running different cassettes you'll probably encounter some issues.

You may just want to put a 12-28 on your new wheels to make it easier to switch back and forth
Set you B-Limit screw to accommodate the 28. It will have no trouble fitting the 25 and will not affect shifting.
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Old 09-04-12, 07:16 AM
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Do you ride cross on the bike? If not, you should really change the chain rings.
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Old 09-04-12, 07:55 AM
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Originally Posted by manutd
It probably is a simple adjustment but I don't want to mess with my derailleurs when they are shifting well as is.

I personally would just go for a 105 cassette....other than weight no real advantage at all (and even the weight isn't really noticeable especially on a cross bike)
Originally Posted by znomit
That.

Though I see 105 now has 11-28 so save some $ and get that.
Originally Posted by Bianchigirll
Good Idea but unless these are race wheels save your money for Starbucks and get the Tiagra
Thank you!

Since the price difference between Tiagra and 105 is ~$30, I might upgrade to 105. Ultegra seems like overkill, since other than weight it does not offer any other advantages. There are some fat lbs I need to shed, which will be much more advantageous.

Originally Posted by Terex
Do you ride cross on the bike? If not, you should really change the chain rings.
No. I just got this bike last week, and before I was on mountain bike.

Can you please give some details what would changing chain rings do, and what my options would be?
My guess is bigger ring would help going faster, right?
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Old 09-17-12, 12:15 PM
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I am in the same board as well. I bought the CAADX 6 a few weeks ago and am looking to buy a second set of wheels just for the road. So far I've upgraded the seatpost and saddle :-)
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Old 09-17-12, 12:41 PM
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I ride 105 11-28. It doesn't have a 16 tooth cog. Goes like this:
11-12-13-14-15-17-19...

I'd much rather have a 12-27 105 cassette. It has nice one tooth gaps up until 17, then makes larger skips. 11 is almost never used. Only on downhills, but since I don't race, I don't care for spinning fast down hill.
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Old 09-17-12, 01:10 PM
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Will my Tiagra chain and rear derailleur work with an Ultegra cassette or I have to upgrade those parts as well?
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Old 09-17-12, 01:42 PM
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Originally Posted by petermk
Will my Tiagra chain and rear derailleur work with an Ultegra cassette or I have to upgrade those parts as well?
It will if it's 10-speed Tiagra, but why not get a Tiagra cassette?
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Old 09-17-12, 03:52 PM
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Originally Posted by Andy_K
It will if it's 10-speed Tiagra, but why not get a Tiagra cassette?
I figured Ultegra would be higher quality and more durable. Any other benefits?
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Old 09-17-12, 04:09 PM
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Originally Posted by petermk
I figured Ultegra would be higher quality and more durable. Any other benefits?
There's a net weight reduction, but mostly in your wallet.

Nor have I found Ultegra (or DA for that matter) to be any longer lasting. That's more a function of keeping your chain clean and lubed. FWIW, I have that 12-28 Tiagra cassette on my race bike. It's not as pretty as the Ultegra or DA cassettes I've used, but after 50 miles you're not going to be admiring the finish any more.
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Old 09-17-12, 06:28 PM
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There are four general things you need to check out and/or know about to switch between rear wheels. NONE OF THESE are difficult, most won't be an issue at all, and those that require attention are easy and quick. Even a newby can learn them! In my personal experience swapping wheels with similar cassettes, only the indexing had to be messed with and even that was a very easy "tweek", not really a big adjustment.

Chain length: will not be an issue if you stick with the same size cassette. Most likely won't be a problem if your original is a 12-28 and your second has smaller smallest and largest sprockets. The only possiblity is that the chain will be too long, and if that, it will be just slightly too long - which is pretty much harmless, mostly will just make noise on the small-small combination (which you shouldn't use anyway). You can read how to check chain length, and just test it with the new wheel on the "small-small" combination. If the rear derailleur does not interfere with the returning chain in that combination, you're good to go. If it does interfere, then you should read up on the "big - big" method of checking chain length, and make sure that works with your larger cassette before you remove any links.

"B" adjustment screw - will not be a problem if the rear der. is adjusted properly for a 28t large sprocket and your second cassette has anything smaller than that.

High and low stops (outer and inner) on the RD. This is usually a non issue, but the first time you swap to the second wheel/cassette you should make sure that those stops are adjusted properly. Again, you can read up on this, it is easy.

Shifting/indexing/cable tension. This is the thing that you might very well have to adjust every time you swap wheel, again, once you learn how to do it, it's really quick and easy - about 1 minute. Even though you're using two cassettes from the same manufacturer, and they seem to seat identically on the wheels, I've found that sometimes the indexing sometimes just has to be tweeked a little. Sometimes not.

If I were in your boat, I would do what you're doing (second set of wheels, maybe a different or same cassette). I'd go all the way and get a substantially lighter set of wheels and high quality tires and tubes so you will really feel a weight and rolling performance difference. If you get cheap, heavy wheels and put clunker tires on it, frankly the difference between those and your cross wheels won't be all that great.
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Old 09-17-12, 10:25 PM
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I've looked at several wheelsets - Williams 30, Boyd Vitesse, Mavic Ksyrium Elite and just saw Vuelta Corsa Slr for $379.99 at nashbar. It's about $150-180 cheaper than the other sets. Would it be a good deal or I'd be getting a worse wheelset?

Thanks
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Old 09-18-12, 06:34 PM
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Soul S2.0SL seems to be another wheelset that I should consider. Anyone have any preference between the mentioned wheelsets?
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Old 10-17-12, 08:51 PM
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To bring this thread back up... I ended up ordering Soul S3.0SL
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