Timeline for Can I use a 42 tooth max derailleur on my 13-32 tooth 9 speed freewheel?
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| Oct 1, 2021 at 8:25 | comment | added | Dave Johnson | Jeff's answer is all well and good, but from my direct experience swapping out a Sunrace-class 12-40t cassette where a Shimano 12-32 was before (42t narrow-wide single), there is no way a 42t cassette would make it without an extension hanger on the XT derailer, as it just makes it at full-loose on the slack tensioner without interference meshing on the 40t. Since the Advent is coming at the same problem from the other direction, there should be just enough slack tensioner adjustment to effectively shift on the 32t, although you may want to yank a few links out to make it more optimal. | |
| Sep 14, 2021 at 8:34 | comment | added | Jeff | Some words of encouragement: rear wheels--both new and used--with 135mm spacing and HG freehubs (splined, Shimano style) are currently very good values in most areas. They are being heavily discounted as the industry moves to wider spacing, disc brakes, and Microspline/XD driver hubs. Many used options include the cassette. It's far more economical to buy a whole new wheel rather than replacing a hub and re-lacing the spokes even if u could diy it. Bicycle "Co-ops" in larger urban areas are great sources of discounted parts and help | |
| Sep 13, 2021 at 7:00 | comment | added | River | I would add a wider range cassette if I could but I'm unable to without buying a whole new rear hub because its a freewheel. I wouldn't be able to fit a cassette on a freewheel hub because a freewheel hub is threaded instead of having splines. And I've always just stayed on my first cog in the front anyways which would be 24/32 and never really shifted it so at this point 32/32 would be an upgrade. Just kinda bummed that I won't be able to get a clutched derailleur without buying a whole new hub and cassette, but thanks for the clarification. | |
| Sep 13, 2021 at 4:26 | comment | added | Jeff | Must mention too, that it's best practice to install a new chain with a new cassette as running an unstretched chain extends the working life of a drivetrain. | |
| Sep 13, 2021 at 4:21 | comment | added | Jeff | Probably not, but it's clear now your motivation for the derailleur upgrade. With the plan to go to 1x, perhaps just add a wider range cassette to the list and proceed with the clutched derailleur plan. To bolster that thought, I'd point out that with the 32 front ring and your current cassette, the high gear 32/13 isn't very high and the 32/32 low gearing isn't very low by today's standards. Pricing of wide range 9 speed cassette is favorable (compared to 10, 11, 12 speeds). I bought a new 9s SunRace 11-42 cass for around $35 USD a couple summers ago. | |
| Sep 12, 2021 at 19:57 | comment | added | River | In my front I have a 3x consisting of a 42, 34, and 25 tooth chainring. I will be very soon upgrading to a 1x 32 tooth narrow wide chainring with a chain guide. My main reason for wanting a clutch was to reduce chain slap. I have tried a chainstay protector but wasn't pleased especially after feeling the lack of chain slap on my friends clutched derailleur. With the components I will soon be upgrading to is it possible to remove the majority of chain slap without a clutched derailleur? | |
| Sep 12, 2021 at 15:40 | history | edited | Jeff | CC BY-SA 4.0 |
added 295 characters in body
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| Sep 12, 2021 at 15:31 | history | answered | Jeff | CC BY-SA 4.0 |