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• #2152
Modified my old mtb to race cx recently. Not exactly a cx bike but is single speed.
IMG_0965 by shredthe gnar, on Flickr
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• #2153
as you can see its fuckin small, but good fun.
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• #2154
How do you get on with that chain tensioner over the lumps and bumps?
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• #2155
Not too bad actually, its sprung so works kind of like a rear mech but with more chain on the cogs.
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• #2156
More importantly, how do you get on over the lumps and bumps without pedals?
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• #2157
Anyone any experience with these?
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• #2158
Lets get this thread going again.
Got a pair of 3T Ergoterra bars for this season. 44.5cm c-c so a lot width. Nice transition too and decent weight.
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• #2159
Cracking bike that, what you got going on for chain tension, EBB? Magic ratio?
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• #2160
Frame has BB30 shell so I use BEER components EBB. Expensive but worth it. Phil Wood bearings are holding up great. Still spinning nicely.
If you buy though - Make sure to buy extra "bearing caps" as they break fairly easily. Replacement bearings is not bad idea either. Remember spacer kit for SRAM chainsets.
And thanks!
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• #2161
Hey cross enthusiasts! This probably isn't the place to ask this, but I figured a lot of people in this thread might be able to help with a query.
I'm going to pick up a Pomp to see whether I'm into/capable of some sscx.
I want to do things as cheaply as possible, by recycling as much of my current commuter build onto the pomp. I've got a Dura Ace 7600 (i think) tarck crankset on the commuter at the moment, but I'm struggling to find small chainrings in 144mm bcd.
Is this a thing that exists, or am I better of hunting for a new crankset with a 130 or 110mm bcd?
Thanks!
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• #2162
You should be able to get a 41T for 144mm BCD.
Here's one http://www.sjscycles.co.uk/ta-144mm-bcd-5-arm-old-campagnolo-chainring-prod195/
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• #2163
43T (42?) is about as low you can go on
your highschool teacher144bcd. -
• #2164
Frame has BB30 shell so I use BEER components EBB. Expensive but worth it. Phil Wood bearings are holding up great. Still spinning nicely.
If you buy though - Make sure to buy extra "bearing caps" as they break fairly easily. Replacement bearings is not bad idea either. Remember spacer kit for SRAM chainsets.
And thanks!
Whats the frame again/ do you have a link?
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• #2165
41 is the absolute smallest, but you're unlikely to find it. 42 is probably common enough. Bear in mind you probably don't want to be grinding lots of mud and crap against your fancy dura ace crankarms with your chunky mtb shoes though, and Alfine chainsets are dirt cheap.
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• #2166
I had a goldtec 42 and was happy with it on my pomp.
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• #2167
You should be able to get a 41T for 144mm BCD.
Here's one http://www.sjscycles.co.uk/ta-144mm-bcd-5-arm-old-campagnolo-chainring-prod195/
43T (42?) is about as low you can go on
your highschool teacher144bcd.41 is the absolute smallest, but you're unlikely to find it. 42 is probably common enough. Bear in mind you probably don't want to be grinding lots of mud and crap against your fancy dura ace crankarms with your chunky mtb shoes though, and Alfine chainsets are dirt cheap.
I had a goldtec 42 and was happy with it on my pomp.
Whoa. Quick and comprehensive. Thanks very much!
You make a good point Tom. I hadn't considered that.
While I'm not that precious over parts, and they were second hand to begin with, I suppose it could be a shame to ruin them.I guess new cranks would give me wider choice over chainrings too..
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• #2168
This is the emperor thread on LFGSS.
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• #2169
Whats the frame again/ do you have a link?
Search for AC024. Same mold as Dirty Disco. Loads of vendors on Alibaba. I bought from ICAN sports.
However, by now there are better alternatives...
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• #2170
Whoa. Quick and comprehensive. Thanks very much!
You make a good point Tom. I hadn't considered that.
While I'm not that precious over parts, and they were second hand to begin with, I suppose it could be a shame to ruin them.I guess new cranks would give me wider choice over chainrings too..
Something like 42x18 is fine for dry courses, like it is now, but if you're riding through thick, gloomy mud then you're likely to need a smaller gear, so that wider choice on chainrings is useful.
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• #2171
Something like 42x18 is fine for dry courses, like it is now, but if you're riding through thick, gloomy mud then you're likely to need a smaller gear, so that wider choice on chainrings is useful.
Cheers for the tip! I think most of the local courses are in parks/fields, so grass and mud is far more likely than gravel. I'm also (unfortunately) unlikely to get the bike built up before the weather starts to turn, so it sounds like I'll need/want the flexibility!
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• #2172
If finding a new chainset will delay the build, then fuck the academic gear ratio talk from the nutters.
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• #2173
Hah! It won't delay things much beyond buying the actual frameset and having some wheels built!
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• #2175
Very nice, but I bet it won't be available in Europe (including the UK).
^^ America. They're really cheap!
I wish they'd bring them over.