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Discussion Starter · #1 ·
Hello everyone,
This may be a stupid question, or an old one for most of you guys, but either way, I need to ask.
Can I mix slx and xt components on an 2x11 set up?
11-42 slx cassette and a 2x XT crankset?

Thanks.
 

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That should be fine. I think with 11 speed, you can pretty freely mix and match Shimano to your heart's content. I think the only thing to watch for is rear derailleur cage length.

Edit...I guess it has a little more complicated. There is a deore 11 speed 11-51 cassette. That one will need the correct derailleur and I don't think you can run that with 2x. But kinda outside the scope of your question.
 

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Discussion Starter · #3 ·
That should be fine. I think with 11 speed, you can pretty freely mix and match Shimano to your heart's content. I think the only thing to watch for is rear derailleur cage length.

Edit...I guess it has a little more complicated. There is a deore 11 speed 11-51 cassette. That one will need the correct derailleur and I don't think you can run that with 2x. But kinda outside the scope of your question.
Yeah, I'm thinking either go wit an 11-42 cassette on the back with a 2x crankset or 11-46 cassette and a 1x setup... I just don't know how bad will be the jumps... I've been using that Tourney 3x since forever, what would you recommend?
 

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I've found 1 x 11-46 more than enough for typical mtb riding. Are you often riding in the smallest ring and biggest cog or biggest ring and smallest cog? Unless you're commuting with the bike too and consistently riding more than 35 km/h (not just coasting down hills) 11-46 should be fine. The jump on the last 2 cogs, 37-46, is noticeable if i'm climbing steep terrain and need something between them but it's not a deal breaker for me.

I was however keen to throw away the front derailleur and a shifter which helps the decision
 

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If you're going to be jumping, and you're starting from a clean slate, I'd go 1x, like meschenbruch suggested. I think the chain retention is better with the narrow-wide rings. The SLX 11-46 is a fine option. Shimano does make the aforementioned 11-51 Deore 11 speed cassette CS-M5100-11 That will get you even more range, but you will need to buy a derailleur that will handle 51t (most shimano 11 speed derailleurs do not). One of my bikes is 1x with 11-42, so that works too. Our local hills are all climb-able with the 42t, but I do prefer the 51t on my newer bike.

Do you already have some of these parts, or you're starting from a clean slate? If you're buying all of this stuff, Box also makes Prime-9, which seems like a decent option, too (I've never ridden it - but I like the idea of it). $210 and you get basically everything you need except a chainring... https://boxcomponents.com/collections/prime-9/products/box-three-p9-wide-multi-shift-groupset
 

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Discussion Starter · #6 ·
I've found 1 x 11-46 more than enough for typical mtb riding. Are you often riding in the smallest ring and biggest cog or biggest ring and smallest cog? Unless you're commuting with the bike too and consistently riding more than 35 km/h (not just coasting down hills) 11-46 should be fine. The jump on the last 2 cogs, 37-46, is noticeable if i'm climbing steep terrain and need something between them but it's not a deal breaker for me.

I was however keen to throw away the front derailleur and a shifter which helps the decision
I only have one bike for everything so.. I do commute on it, but just a few days a week so it's not that I'm going full Lance Armstrong on it... So I think it's a good plan to go with the 1x since I use it mostly for trails.
Thank you so much.
 

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That should be fine. I think with 11 speed, you can pretty freely mix and match Shimano to your heart's content. I think the only thing to watch for is rear derailleur cage length.

Edit...I guess it has a little more complicated. There is a deore 11 speed 11-51 cassette. That one will need the correct derailleur and I don't think you can run that with 2x. But kinda outside the scope of your question.
The Deore 11-51t 11 speed cassette works great with a Shimano 12 speed MTB rear derailleur and 11 speed shifter. I have this cassette, an XT 12 speed derailleur, and XT 11 speed shifter on my bike.
 
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