SRAM Eagle 12-Speed on 2018 Turbo Levo?

AlanC

Member
Sep 25, 2018
33
27
Colorado, USA
I was wondering if I could upgrade to a SRAM Eagle 12-speed drivetrain on my 2018 Turbo Levo base model.

I ordered a Praxis 36-tooth chain ring to give it some more top end, and I was thinking having another low gear on the cassette might be nice.

Has anyone done this? Is it practical/possible? What parts or kit would I need?

Thanks!

Alan
 

highpeakrider

E*POWAH Master
Aug 10, 2018
693
566
Peak District
On my normal bike I always found 12 speed a compromise to find the right gear, I much prefer the spread of 11 speed and can get up every hill with that range .
What are you climbing to need the size of that huge last ring on an eagle cassettes?
 

steve_sordy

Wedding Crasher
Nov 5, 2018
9,017
9,457
Lincolnshire, UK
On my clockwork bike, I was getting six times the chain life with Eagle 12 speed vs any other 9 or 10-speed chain that I had used previously. I see no reason why an Eagle chain on an eBike should be any different.
If you fit 12-speed, save yourself some money and grief and buy a mech hanger alignment tool, like this: Wiggle | Park Tool Derailleur Hanger Alignment Gauge 2.2 | Tool Sets

X-Tools do one at half the price, but I have no idea how good it is.
 

33red

New Member
Jun 12, 2019
447
137
Quebec, Canada
Approved for what?

Karsten
- Probably 10T is not smart with the added power
- cassette heavier = tougher
- derailleur same as above
- selector probably no multiply shifts, better for newbies
Ask SRAM i guess they have the correct answer.
Of course i meant approved to be used on Ebike.

So what did they answer?
 

khorn

E*POWAH Elite World Champion
Patreon
Jul 19, 2018
980
1,055
Denmark
- Probably 10T is not smart with the added power
- cassette heavier = tougher
- derailleur same as above
- selector probably no multiply shifts, better for newbies
Ask SRAM i guess they have the correct answer.
Of course i meant approved to be used on Ebike.

So what did they answer?
I ask you because your initial statement does not make any sense and as for your last proclamation i can assure you that none of that hold any truth as well.

Any gear system will work on a emtb, its no different than any other mtb. Some work better than others and gear systems "approved" for emtb is simply bollocks.

Karsten
 

Wurley

New Member
Oct 12, 2018
35
28
Folkestone
The new Haibike flyon all mountain10 is running sram eagle 12 speed and thats the most powerful e bike available so should be ok?
 

Kave

Well-known member
Dec 9, 2018
242
151
Sweden
Specialized went from XD driver on almost all Levos for the Turbo Levos to Shimano driver for the new MY2019. I guess that speaks for itself. I think the XD driver is too weak for Electric.
So I think 12 spd NX is the best solution.
 

33red

New Member
Jun 12, 2019
447
137
Quebec, Canada
I ask you because your initial statement does not make any sense and as for your last proclamation i can assure you that none of that hold any truth as well.

Any gear system will work on a emtb, its no different than any other mtb. Some work better than others and gear systems "approved" for emtb is simply bollocks.

Karsten
You can do what you choose, i guess others will ask SRAM because they care about facts.
 

Kave

Well-known member
Dec 9, 2018
242
151
Sweden
My 19 Levo expert came with xd driver, 11 speed xg cassette 11/42
You need the xd driver to fit eagle gx xo or xx1
I dunno why in the world they would ship a 11-42 casette with XD driver?.
You got a one off then, Specialized claims 10-42 on the 2019 Expert.
 

khorn

E*POWAH Elite World Champion
Patreon
Jul 19, 2018
980
1,055
Denmark
You can do what you choose, i guess others will ask SRAM because they care about facts.
Ohhh so all the Shimano stuff factory fitted on emtbs are useless as it is not specifically “approved” for emtbs....?

By the way the only change SRAM did to the emtb specific group sets are the 1 gear at the time shifter and that is only valuable for those who don’t know how to shift gears on a mtb anyway.

Karsten
 

33red

New Member
Jun 12, 2019
447
137
Quebec, Canada
Ohhh so all the Shimano stuff factory fitted on emtbs are useless as it is not specifically “approved” for emtbs....?

By the way the only change SRAM did to the emtb specific group sets are the 1 gear at the time shifter and that is only valuable for those who don’t know how to shift gears on a mtb anyway.

Karsten
Just ask SRAM who made that recommendation why they did it and tell us.
It is that simple.
 

Kave

Well-known member
Dec 9, 2018
242
151
Sweden
I am going for SRAM's EX1 next time. As it is right now my biggest issue with the gearchages is when I try to change more than one gear at a time, ie approcahing an upphill since the 11 gears offers such fine degree of shifting. I am quite sure the experience will be much better on a 8 spd group SRAM EX1 review
 

Wurley

New Member
Oct 12, 2018
35
28
Folkestone
Much prefer being able to shift multiple gears at a time with the gx eagle over the single whiting I had with the xg
I had e bike with ex1 thought it was to bigger gap between gears only being 8 speed and cost of replacement cassette is expensive
 

33red

New Member
Jun 12, 2019
447
137
Quebec, Canada
I use a 10 S 11-42 it offers enough range and not too many shifting is needed.
I had a similar cassette on my fat bike and i like the feel for mounting riding.
 

khorn

E*POWAH Elite World Champion
Patreon
Jul 19, 2018
980
1,055
Denmark
I am going for SRAM's EX1 next time. As it is right now my biggest issue with the gearchages is when I try to change more than one gear at a time, ie approcahing an upphill since the 11 gears offers such fine degree of shifting. I am quite sure the experience will be much better on a 8 spd group SRAM EX1 review
Do yourself a favor and do a comprehensive study both here and on the big web. Don’t rely on all the so-called tests and reviews as they are not totally unbiased. Dig into the different forums and read actual rider feedbacks. Many users do report that the steps between gears are way too big and the longevity is not better than 10-11 or 12 speed. On the other hand the cassette cost a fortune and no alternative options than SRAM. I don’t say it’s a bad group set but I personally would never consider buying one(I do have 11 speed XTR and it is brilliant)

Karsten
 

Al Boneta

Dark Rider
Patreon
Founding Member
Jan 18, 2018
1,351
2,603
California
The reason the 2019 Levo came with an 11-speed 11-42 cassette and not Eagle was explained by Specialized at their dealer meeting last September.
The explanation was this. SRAM would only supply the NX cassette for the OEM Ebike Market.

The reason being the NX cassette fits on a standard Shimano freehub body which is stronger for handling the extra torque an Ebike puts out.
The cogs are also steel, which is stronger for handling the extra torque an Ebike puts out.
But Specialized felt that since Ebikes wear out chains and cassettes faster than regular mountain bikes, riders would be spending a lot more to replace these parts on a regular basis. A 12 speed chain isn’t as strong as an 11 speed. They also felt that since the bike has a motor, the 42t low gear would be low enough for most riders.
That’s what I was told directly by Specialized.
Do with that what you will
However since then I have sold almost 100 2019 Levos in my shop.
There have been the better of a dozen or so of my customers that wanted to “upgrade” to Eagle.
I tell them the pros and cons and then I do what they request.
The increased chain wear is quite significant. A lot of my customers are doing a new chain every 2-3 months.
The rear hub on 2019 Levos, base through expert, is a colossal piece of shit that has a high failure rate. It’s even worse with an XD driver. Add Eagle into the mix and it’s a nightmare waiting to happen with terrible shifting performance. Especially the guys who pedal hard through gear changes.
I have one customer who has replaced his Eagle XX1 cassette 4 times. He puts an new chain on every month. I told him that an NX cassette would last a lot longer.
“I have an S-Works bike, I am not putting that cheap piece of shit on my S-Works!”
And yes he is a dentist, no really he’s actually my dentist who will yell at me for my poor flossing routine.
Anyway, there are a couple customers that are running Eagle on their Bosch system bikes with no problems. This is just the way Bosch motor works it has a shift sensor that detects the changes made when shifting gears and decreases torque.

This is anecdotal evidence taken from a decent size group of riders, so do with that what you will.

As for my own personal experience, I feel the low gear range of Eagle while awesome on my Stumpjumper, is kind of pointless on my bikes that you know,
“Have a motor”
I wanted increased durability, because I work on Ebikes all day now. When I go home to ride my Ebikes I don’t have to wrench on them as often. So I went for the BOX 9-speed drivetrain. It has a an 11-50 gear range with 9 heavy duty cogs.
I ended up never using the 50. In Southren California a lot of our climbs are steep twisty singletracks that are rock strewn. I never needed the two lowest gears. The shifting wasn’t that great with the BOX system and after even trying it with my Archer shifting system, I went looking elsewhere.
I found a 11-42 9-speed setup from a company called Microsshift. I watched a video where a guy pours a bucket of mud on to the cassette and derailleur and then adds leaves. The derailleur still functioned properly. It still worked after he hit it with a hammer.
I ordered a cassette $30, shifter $25 and derailleur $60. I threw on a Taya 9-speed Ebike chain.
My Kenevo has never shifted better and the components while not exactly the lightest have held up amazingly well.
So I am now switching out all of my Ebikes to the Microshift Advent 9-speed setup.
This what works for me and this evidence is purely anecdotal, so do with it you will.
 
Last edited:

Gray squirrel

New Member
Dec 25, 2019
67
43
Ny
The reason the 2019 Levo came with an 11-speed 11-42 cassette and not Eagle was explained by Specialized at their dealer meeting last September.
The explanation was this. SRAM would only supply the NX cassette for the OEM Ebike Market.

The reason being the NX cassette fits on a standard Shimano freehub body which is stronger for handling the extra torque an Ebike puts out.
The cogs are also steel, which is stronger for handling the extra torque an Ebike puts out.
But Specialized felt that since Ebikes wear out chains and cassettes faster than regular mountain bikes, riders would be spending a lot more to replace these parts on a regular basis. A 12 speed chain isn’t as strong as an 11 speed. They also felt that since the bike has a motor, the 42t low gear would be low enough for most riders.
That’s what I was told directly by Specialized.
Do with that what you will
However since then I have sold almost 100 2019 Levos in my shop.
There have been the better of a dozen or so of my customers that wanted to “upgrade” to Eagle.
I tell them the pros and cons and then I do what they request.
The increased chain wear is quite significant. A lot of my customers are doing a new chain every 2-3 months.
The rear hub on 2019 Levos, base through expert, is a colossal piece of shit that has a high failure rate. It’s even worse with an XD driver. Add Eagle into the mix and it’s a nightmare waiting to happen with terrible shifting performance. Especially the guys who pedal hard through gear changes.
I have one customer who has replaced his Eagle XX1 cassette 4 times. He puts an new chain on every month. I told him that an NX cassette would last a lot longer.
“I have an S-Works bike, I am not putting that cheap piece of shit on my S-Works!”
And yes he is a dentist, no really he’s actually my dentist who will yell at me for my poor flossing routine.
Anyway, there are a couple customers that are running Eagle on their Bosch system bikes with no problems. This is just the way Bosch motor works it has a shift sensor that detects the changes made when shifting gears and decreases torque.

This is anecdotal evidence taken from a decent size group of riders, so do with that what you will.

As for my own personal experience, I feel the low gear range of Eagle while awesome on my Stumpjumper, is kind of pointless on my bikes that you know,
“Have a motor”
I wanted increased durability, because I work on Ebikes all day now. When I go home to ride my Ebikes I don’t have to wrench on them as often. So I went for the BOX 9-speed drivetrain. It has a an 11-50 gear range with 9 heavy duty cogs.
I ended up never using the 50. In Southren California a lot of our climbs are steep twisty singletracks that are rock strewn. I never needed the two lowest gears. The shifting wasn’t that great with the BOX system and after even trying it with my Archer shifting system, I went looking elsewhere.
I found a 11-42 9-speed setup from a company called Microsshift. I watched a video where a guy pours a bucket of mud on to the cassette and derailleur and then adds leaves. The derailleur still functioned properly. It still worked after he hit it with a hammer.
I ordered a cassette $30, shifter $25 and derailleur $60. I threw on a Taya 9-speed Ebike chain.
My Kenevo has never shifted better and the components while not exactly the lightest have held up amazingly well.
So I am now switching out all of my Ebikes to the Microshift Advent 9-speed setup.
This what works for me and this evidence is purely anecdotal, so do with it you will.
Yes I like your opinion,? eagle chain is weaker and no need hit the squat machine
 

Jamsxr

E*POWAH Master
Mar 30, 2019
519
634
Surrey
Running SRAM XO1 12 speed on my E8000 equipped bike, it’s been fantastic. Getting similar wear to my 11 speed analog bike for some reason!

I don’t have a problem switching between single shifting, in fact the single shifter has probably improved my efficiency as I’m thinking ahead rather than relying on a heavy thumb wack to get me out of trouble. I’m sure this also helps with battery life as my cadence is pretty efficient.
 

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