Trying to find 12-30 cassette ???

eavesy31

I’ve recently got a set of wheels for my
Trek Madone 1.1 as an upgrade. I’m looking for the same cassette as on the stick wheels but seem 12-30 doesn’t exist anymore. Gearing is 105 front and rear but think current cassette is HG ??? Not sure I can change the cassette ratio as gear change won’t be as slick.. any help appreciated???

johngti

Miche via the cycle clinic?

eavesy31

Is this the brand miche ??? Sorry new to this

johngti

Yes. I believe you can spec your own combinations. Have a look at https://thecycleclinic.co.uk/collections/cassette/products/miche-10-speed-shimano-compatible-sprockets-and-cassette-spares-1 for 10-speed and https://thecycleclinic.co.uk/collections/cassette/products/miche-11-speed-for-shimano-individual-cassette-sprockets for 11-speed. Shimano do an 11-30 if that’s more to your liking

eavesy31

Thank you for your help 👍🏻

singleton

With the Miche option you are simply choosing the sprockets that you want, and assembling a cassette, but you can effectively do something similar yourself with a couple of Shimano cassette.

E.g. Here are the standard shimano cassettes:
12-25: 12-13-14-15-16-17-18-19-21-23-25T
11-30: 11-12-13-14-15-17-19-21-24-27-30T
But these are not solid and fixed, there are some fixed sprockets and some individual sprockets.

So use the bottom half of one cassette and the top half of the other, switching over at 17, this will give you: 12-13-14-15-16-17-19-21-24-27-30T, so you will lose the 11 sprocket and gain a 16 sprocket.

If you already have one of the cassettes that you want it's not too expensive, but if you have to buy both then it might be. I've done it.

johngti

Even better!

vincesummerskRoxcBTr

Why not just use and 11-30, unlikely to change gear changing!

Mad_Malx

vincesummerskRoxcBTr said:

Why not just use and 11-30, unlikely to change gear changing!

for me it would mean losing a gear. I seldom use my 12, never mind an 11.

But I'm old and feeble. (Actually I'm not that bad, I really don't understand why shimano think 11- cassettes are right for most leisure cyclists).

eavesy31

I got told that I should put the same cassette on that the bike currently has which is a 12-30... do we think putting a 11-30 won’t make much difference ???

Mad_Malx

The easiest and cheapest will be to get an 11-30, it’ll work fine.
But that’ll give you a higher gear than you currently have, which you may not need and never use, and lose one somewhere in the middle.

But you might want to think about what your gear needs are, because it would be a good time to swap to something more useful for you. You should aim for the range that you need, but not much more, so that you get the smallest jumps between changes.

If you never spin out at high speed you don’t need an 11 although, as you have found, options for a 12 top are limited.
Do you use the 30? If no, then think about an 11-28 (or 12-28 if you can find one).
Also - put a new chain on if you are swapping cassette, the old one is likely to skip on a new cassette.

eavesy31

Thanks for all the help tend not to use the 30 as get chain rubbing on front derailleur.. may need adjustment.. I do try to rarely come off the top ring on the crank so 28 or 30 can be useful...

dj58

OP is your Trek 10sp or 11sp? I don't recall Shimano offering 12-30T in 11sp, only 10sp CS-4600 and CS-6700.

eavesy31

It’s a 10spd

dj58

Shimano in their wisdom deleted the 12-30T ratio with the introduction of 10sp 4700. The 12-28T is still available which is the nearest you will get to what you have, unless you are prepared to pay the over inflated prices offered for a CS-6700.
https://www.sjscycles.co.uk/cassettes/1123-shimano-ultegra-cs6700-10-speed-cassette/

dj58

Shimano in their wisdom deleted the 12-30T ratio with the introduction of 10sp 4700. The 12-28T is still available which is the nearest you will get to what you have, unless you are prepared to pay the over inflated prices offered for a CS-6700.
https://www.sjscycles.co.uk/cassettes/1123-shimano-ultegra-cs6700-10-speed-cassette/

Mad_Malx

If you seldom use the 30 then go for a hg50 or hg500 12-28 if you can find one (stocks are patchy).

If you have a 11 speed hub in your new wheel you might need a spacer to use a 10speed cassette, otherwise it may wobble.

dj58

Good point, he would need a 1.85mm spacer behind the CS-HG500-10 12-28T, which if IIRC is a redesignated CS-4600 Tiagra, and already has a built in 1mm spacer.

vincesummerskRoxcBTr

eavesy31 said:

I got told that I should put the same cassette on that the bike currently has which is a 12-30... do we think putting a 11-30 won’t make much difference ???

Shouldn't make any difference to operation of the gears. Most people don't use the highest gear much so doesn't really matter if 11 or 12. Personally I would rather have 30t or bigger , always good to have a easy gear in hand !

eavesy31

Thanks for the advice guys... think I’m going to put the original cassette on these new wheels for now and maybe change in the future.. only other problem I’ve come across is the brake callipers are too tight on the new rims... do they just need loosening off ??? Sorry but I’m a real novice

Mad_Malx

If the barrel adjusters are wound out you might be ok just winding back in, and/or leaving the lever on the caliper (used to make wheel removal easier) open.
But just taking tension off the cable is very simple if only a few mm and cable not too crushed. Squeeze caliper onto the rim, loosen the cable bolt and let a bit of cable back in before retightening. then adjust with barrel to get spot on.
Easier to do than describe.

Mad_Malx

Look at the park tools YouTube videos. You prob have dual pivot (or maybe side pull if cheaper/old model).

mrdsgs

https://www.ebay.co.uk/itm/Shimano-ULTEGRA-CS-6700-12-30T-10-Speed-Cassette-New-in-box/274739035601?hash=item3ff7b8fdd1:g:jMMAAOSwQ61gYuFV

eavesy31

Expensive this !!!! So I’ve managed with a friend to remove the cassette off my old wheels and put on the new carbons.... slight adjustment on the derailleur to stop the chain jumping around and seems ok.... tyres and tubes next and good to go....

mididoctors

Miche still make 10 speed Shimano cassettes https://thecycleclinic.co.uk/products/miche-10-speed-shimano-compatible-sprockets-and-cassette-spares-1