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PostPosted: Fri May 17, 2013 10:43 am 
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highlandsflyer wrote:
I would love an infinitely variable transmission solution.






I see SRAM have announced the X0 version so it will be trickling down, I think we shouldn't forget that this is the flagship grouppo and is priced accordingly. The big selling points for me* are the simplicity, basically my gears are now up and down and I get the immediacy of the rear shifting without the clunkyness of a front. I don't get the mud argument at all :? Only one during a CX race have I lost a transmission due to mud and mud problems for me are more frequent with the mud trap that is a triple and front mech. I'd also say that mud in all its varieties won't differentiate between 8/9 speed cassettes and 11's but if your local gloop does have that particular viscosity where 8/9 is fine but 11 will be rendered useless then I'd stick to 8/9 :P

A cheaper route to the same end can be found here also

http://www.pinkbike.com/news/General-Le ... -2013.html

*currently 1X10 Shimano.


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PostPosted: Fri May 17, 2013 10:57 am 
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That'll be popular with the fatbike crowd when the price comes down. Getting the chainline of a double chainring past a fat tyre is difficult enough but that could be the answer to all prayers !


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PostPosted: Fri May 17, 2013 2:09 pm 
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Posts: 1877
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kaiser wrote:
highlandsflyer wrote:
I would love an infinitely variable transmission solution.




I love the idea, but no mention of gear ratio's, it doesn't look like it could offer ratio's in the ranges 0.7 (22-32) to 4:1 (44-11) as is roughly used on MTB's.


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PostPosted: Thu May 23, 2013 7:16 pm 
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Joined: Fri Jan 16, 2009 10:50 am
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Location: on the mothership with a probe up my aaa..
i just noticed this thread, but i saw the xxi ages ago and then saw the price and forgot about it lol. i thought about it for a bit cos i was getting rebuilding a dt hub and the freehub for them isnt too bad, but the cassette price is a joke.
i dont really see the point of 11 speed, just makes the thing more fragile imo.
main innovation is the 10t bottom cog, which lets you run a smaller ring up front, eg 34/36 and still have a usuable ratio on the flat/downhill
that said there are alternatives
check out the shimano capreo setup for small wheel folders, special cassette and freehub means 9t smallest gear. the only official cassette is 9-26, but i think you can customize it witha standard cassette top 4 cogs, so like 9-32 or 34. i was gonna try if i can find the kit second hand.
in the meantime im using a 10t sprocket/lockring combo from an old moulton, acts as the 8th gear on a 7s setup only though, but thats cool with a 12-32 cassette and a 36t chainring for me
in the meantime if anyone has a hankering for a big sprocket on a budget, check out this guy
http://stores.ebay.co.uk/mtbtools?_trks ... 7675.l2563
at a push, i see no reason you couldnt bodge that with the capreo setup to get 9-41t on the back.


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