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I've done the 1x10 with a WorksComponents thick-thin chainring & granny (no front shifter) for a little while now and it makes a lot of sense for me.
Previously ran 1x10 32 front & 11-36 rear. Was fine for short steep climbs but long climbs and big days out would knacker me out a fair bit more than 2x10.
Was going to Snowdon so chucked the granny back on, then never took it off. Don't use the granny on local rides, but when I'm out in the Peak with long climbs I drop the chain at the bottom of the climb, then slip it back on at the top. Saves a fair bit of weight(shifter, cables, front mech), and have never dropped a chain (after some wierd teething problems with the thick-thin ring first ride out). So save weight, gain chain retention, and waste about 5 seconds changing chain by hand which I probably do 5 or 6 times a month.
Still tempted by one of those 42t sprockets though and would have one by now if a German guy would reply to me!
Hi a question to D0NK and anyone still using good old 9 speed!
the 12-36 9 speed cassette, is that the deore one? it looks heavy, is it?
Have you tried a 12 -36 with a 30 or 28 toth middle ring? Thinking 1 x 9 here.
[quote=NorthCountryBoy ]Hi a question to D0NK and anyone still using good old 9 speed!
the 12-36 9 speed cassette, is that the deore one? it looks heavy, is it?
Have you tried a 12 -36 with a 30 or 28 toth middle ring? Thinking 1 x 9 here.
Yeah, it's pretty heavy. I was running it with a 32T ring and it was fine, rode with it in mid Wales mostly. Now just using a 34T cassette because the 36 one got stuck on another wheel!
Trouble is that 12-36 is narrower range than 11-34. So unless you either fit an 11t and have a big jump, or really want the 36 (as opposed to just going down a chainring size), then the 11-34 makes more sense.
I plan to run my 29er 1 x 10 (it's currently 2 x 9) as I'm pretty sure I'll be able to do most local stuff on it.
When (if?) I get another susser in the near future it'll be the bigger travel / big hills bike - plan is to run the 2 x 9 kit on that so I can actually get up the big hills.
NCB - yup, still running a 1x9. Currently 32 up front and a 12/36 cassette, but I've swapped out the 12 for an 11 tooth of another cassette. Ride mainly round the Peak and don't feel the need for a smaller chainring, last night I did run out of steam trying to keep up with a mate who's on 1x11
Can't say I notice the weight or close ratio
Ran 32:11-36 in Finale this year - could have done with 34 or maybe even 36 on some of the faster pedally sections, so the wider cassette range would have made it viable to get up some of the transfers (day 2 opened with a 14km transfer, nearly all tarmac uphill).
Can definitely see the benefit to this, especially for hillier areas on big bikes.
Well on my custom 28t front set up and 34-11 cassette pottering along the flat at 15-17mph is fine above 20mph you spining like the single speed. Hills will be a test, though in theory only a few gears harder than my old 2x9 set up.
1x9 and no clutch mech will i die? Not lost the chain yet but battling random chain suck.
Sounds interesting. can get round most local stuff on 32/11 34 on full sus and ran 32 11/32 on hardtail. Thought dropping front chain ring size would have a similar effect to a massive 1st gear on the cassette but without the weight and cost. I have a spread sheet somewhere with table to give RPM (crank) against speed with all the gear ratios. Dropping chain ring size had a much greater change then adding a larger cassette.
Standard ratio on the granny is 22 x 34 = 1.2 closest to this on 1 x 9 would be 28 x 40 = 1.3
Could use the same idea as from the OP by adding a 40 tooth gear to a 9 speed cassette and remove one of the other gears.
top gear goes from 1 to 5.5 down to 1 to 4.8 though.... Spin out too easily?
bigdugsbawsWith vouchers and cashback you can get an X01 setup (minus the cranks) at crc for £450, that's with a hope freehub!
Is this the CRC £50 off £500 voucher? Where can the cashback offers be found? Any better XX1/ X01 deals out there than CRC? It does look like a good deal!
Nope. And I looked hard!
Nope. And I looked hard!
30x12:36 on FS
32x12:36 on HT
Scotland, Wales & local seems adequate so far. I'd fit a granny if we are talking alpine but otherwise it seems unnecessary to carry round the extra weight & maintenance
I 1x10'd my Bandit last month and since then I've only managed local loops and it was fine. Did a big day out in N Wales on it yesterday and whilst I occasionally missed a bail out option I still rode pretty much everything I would have done when it was 2x9 and the odd occasion it beat me it was as quick to walk anyway. At a push I might consider going to a 30t upfront but it'd be an unusual ride to need it.
For me the simplicity and ease of use offset a lot too.
Will this work with an SLX medium cage clutch mech on 1X10 or will it need the long cage?
[url= http://www.bikerumor.com/2013/12/10/updated-with-first-impressions-hands-on-oneups-cassette-changing-xx1-challenging-42t-adapter-sprocket/ ]BikeRumor[/url] have done some testing and seem to like it.