CityCyclingEdinburgh was launched on the 27th of October 2009 as "an experiment".
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CCE is 15years old!
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not resolvedI ran out of geers chasing Dave up the Lecht on this years Snow Roads. As I have a few more steep hills planned, I thought I'd get an MTB cassette to replace the 108, 11 - 28 I have on at the mo.
Chain Reaction have a good deal on some at the moment. Does anyone know how the HG naming system compares? I see there is a HG50, HG62 HG81, XT M771...
How do these compare against the road range? HG50 = Sora therefore HG81 = 105 and XT M771 = Ultegra?? for instance?
Not just the size of the block, you need to take account of the front big ring. I have a 12-28 (maybe 30, can't remember) on the back, and a 50/34 compact on the front and the chain is so loose that it is bouncing off of the chain stay on the 34 30/28 combination, not that you would use that in real life, but you may also need a long cage rear mech.
Here's how to calculate what sort of Shimano rear mech you'll need;
There's no point me paraphrasing.
I agree with the "Shimano area a bit conservative" thing, I've squeezed in a slightly larger rear cassette than is theoretically recommended in the past. Not a full on MTB cassette, but getting there.
The cheaper option is to accept that the other guy is faster and trust that he'll wait for you at the top :)
Cheers. I have a long cage rear so I guess 34 should be reasonable. I don't see me using 34 up front with 12 on the rear. I'll look at the link tomorrow, when I'm in front of a PC. Cheers.
Xtr is like dura ace. Deore like 105?
SWMBO's running a 50-34 w.ith 11-32 IIRC, I just fitted a std Mtb mech to existing Tiagra brifters
Hmm, looking at the Dolan website, the rear derailleur may be the Shimano 105 CS-5700. I'll look up the specs.
No idea on Shimano, but might be worth checking out cyclocross systems. I've got SRAM Apex (there must be a Shimano equivalent) which gives a long-ish mech that works with a larger cassette. I think I'm 52-36 on the front, but would have to check that - really wide spread of gears, because the smallest cog is 11T I think, and the biggest is mahoosive, which does mean there are some big gaps to bridge, but you get used to it.
I was climbing in second and third lowest up the Bealach pretty comfortably (it was shifting to lowest that caused my problems) so I'd imagine would suit a stronger rider such as yourself.
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