Sram EX1 Cassette option's for road use.

Japuserid

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#1
I have been chatting to Kernow about cassette option's, for a second set of wheels that are to be used on tarmac, the only Cassette available, as far as I can find, is the, XG 899 E Block 11-48 8 speed. It's a fair chunk of change and its spread of ratio's is just too wide for the road. If anyone has any insight's on alternatives that might work, or has actually done it :D I would be keen to hear from them. :)

As I understand it :confused: EX1 uses an 10 speed chain, with eight cog's that have, ten speed spacing, with a single click, ten speed shifter that is limited to eight shifts o_O

It can't be as simple as just buying a 10 speed cassette and only being able to use the top eight can it :unsure:
 
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Eckythump

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#2
Maybe use spacers from 10spd cassette with 8 gears?
Don't think you will be able to get a higher gear via cassette without either going 11/12spd SRAM using the XD driver or one of the exotic gear sets out there. 11T is the smallest on a Shimano hub as far as I am aware. Easier to change a front ring to increase gearing. Doesn't help with a second set of wheels......
 

Japuserid

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#3
Maybe use spacers from 10spd cassette with 8 gears?
Don't think you will be able to get a higher gear via cassette without either going 11/12spd SRAM using the XD driver or one of the exotic gear sets out there. 11T is the smallest on a Shimano hub as far as I am aware. Easier to change a front ring to increase gearing. Doesn't help with a second set of wheels......
Hey Ecky

Don't really want two spend any more out on XD driver, if I can help it......found this.......it's cheap at the moment...and the top eight ratio's would be

11-13-15-17-19-21-24-28-(32-36)T

Shimano SLX HG81 10 Speed MTB Cassette | Chain Reaction Cycles
 
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Eckythump

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#4
Alternatively, offload that ghastly SRAM stuff on someone like me and get yourself a nice reliable Shimano 11spd setup, you will have lots of nice close gears then?
 

Japuserid

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#5
Alternatively, offload that ghastly SRAM stuff on someone like me and get yourself a nice reliable Shimano 11spd setup, you will have lots of nice close gears then?
TBH I already have everything I need to convert it to XT M8000, but I am really hoping that the EX1 is the way to go, makes so much sense.

Especially if someone makes an 11-42 for it, just to tighten up the gaps a smidge, I think that would be perfect :p
 
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Eckythump

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#6
You can change the big ring on SRAM 11 & 12 spd cassettes, you may be able to do the same on EX1.
 

Japuserid

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#7
You can change the big ring on SRAM 11 & 12 spd cassettes, you may be able to do the same on EX1.
I'm pretty sure the big four gears are machined from one piece of hardened tool steel, it's the four smaller ones that are replaceable individually :rolleyes:

But I will check :D
 

Japuserid

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#8
1516736160739-png.165


1516736186669-png.166


1516736212362-png.167


:eek: you can kind of see why its so expensive, a lot of work in that....
 

Eckythump

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#9
It looks like the big ring is the same style as X01 & XX1. If you look the ‘cooling’ slots go the opposite way to the others on the machined section.

Have a look at this link which shows replacement of an 11spd ring.

X-Cog Install Instructions
 

Japuserid

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#10
It looks like the big ring is the same style as X01 & XX1. If you look the ‘cooling’ slots go the opposite way to the others on the machined section.

Have a look at this link which shows replacement of an 11spd ring.

X-Cog Install Instructions
That could be useful, bookmarked, I bet they will be offering EX1 mods in the near future.
 

Eckythump

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#11
I suspect they already do. It would be a surprise if SRAM have come up with a new big ring mounting method just for EX1. ??
 

Japuserid

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#12
I suspect they already do. It would be a surprise if SRAM have come up with a new big ring mounting method just for EX1. ??
I just can't find the info :mad: Still only another 34 days...........:rolleyes:
 

Kernow

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#13
You need one of these jap Preferably the blue one ? but the one behind it has a two speed rear hub as well as the usual gears
 

Japuserid

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#14
This is almost certainly a wind up :LOL: but go on 'What Blue One' got no link :unsure:
 

Kernow

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#15
It was a photo of my road bike next to an electric road bike , photo won’t post fir some reason
18826530-ac37-4e06-bc1e-b0ec7865dfdb-jpeg.178
 

Seric

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#16
I don't know how this works with other motors, but if you have a a bosch motor, I think you need to update your software if you change your cassett and the biggest or smallest cog changes more than 10%.
 

Japuserid

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#17
It was a photo of my road bike next to an electric road bike , photo won’t post fir some reason View attachment 178
:eek: that's far too fast for me mate and o_O it has a load of bit's missing...........like a motor for one :LOL:

Is that Steve's E-trekker ? now that is more like it:D
 

Kernow

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:eek: that's far too fast for me mate and o_O it has a load of bit's missing...........like a motor for one :LOL:

Is that Steve's E-trekker ? now that is more like it:D
Yes that’s Steve’s bike , he’s 70 plus and keeps up with the roadie on it over 40 miles , I have to slow down on the flat and downhill and he waits for me at top of hills , typical ebiker can’t just ride with me ?
 

njn

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#19
FYI, take the EX1 cassette off and grease it.

The B adjustment is critical for smooth shifting.
 

Kernow

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#20
Do you mean grease the splines on the freehub ? I
 

njn

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#21
Spines are a good idea in general, but specifically there is a floating spacer inside the cassette that will squeek in certain gears if not properly lubricated.
 

Kernow

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#22
Thanks for heads up , I’ll have a look at that
 

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