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Northwind
Joined: 06 Sep 2008
Posts: 4581
Location: Edinburgh
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 Posted Sat Oct 31, 2009 7:50 pm |
And yet it moves, er, breaks. Not that I've ever broken one as I have legs like wet noodles, but it's not uncommon. Then again, quite often neglect related I reckon.
We still do it because we're forever chasing what we've already found |
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rhyko7
Joined: 03 Nov 2008
Posts: 450
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NatoED
Joined: 21 May 2009
Posts: 84
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Posted Sat Oct 31, 2009 10:15 pm |
get a Sora rear mech they are £25 and much stronger than Deore
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supersonicLives Here
Joined: 25 Nov 2005
Posts: 48031
Location: Chapeltown, Sheffield
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_Ferret_
Joined: 25 Mar 2008
Posts: 460
Location: Freiburg, Germany
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switchback18
Joined: 30 May 2008
Posts: 494
Location: Scarborough, Dalby, North York Moors
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Posted Sun Nov 1, 2009 12:53 am |
Main thing for me with most components is how long they last - I have an XTR that I've used for about 4 or 5 years, riding a lot, and it was about £25 second hand off ebay, looked like it had been used for a couple or 3 years already. So quality for me is the main thing, but at a realistic price...
chasingtrails.com
Orange Five |
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rhyko7
Joined: 03 Nov 2008
Posts: 450
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RichardJiles
Joined: 25 Aug 2009
Posts: 13
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Posted Sun Nov 1, 2009 2:13 pm |
I honestly look for how sexxy it is, small dérailleurs are sexxy to me
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switchback18
Joined: 30 May 2008
Posts: 494
Location: Scarborough, Dalby, North York Moors
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Posted Sun Nov 1, 2009 5:07 pm |
| RichardJiles wrote: | | I honestly look for how sexxy it is, small dérailleurs are sexxy to me |
Along the lines of rhyko7's sig, I worry about people who see mechanical things in this way..!
chasingtrails.com
Orange Five |
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tom_goggin
Joined: 28 Oct 2009
Posts: 5
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Posted Tue Nov 3, 2009 10:48 pm |
@ larmafarma
yer im doing the whole system, 2 shifters plus front and rear derailleur, so plenty of work to be getting with! where did u do that course?
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colintrav
Joined: 18 Oct 2009
Posts: 218
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Posted Wed Nov 4, 2009 1:27 am |
| tom_goggin wrote: | | Im doing a university project looking into re-designing the current derailleur/shifter system to combat problems such as weathering/corrosion and the amount of maintenence required to keep shifting crisp. I know the idea other topics have discussed potential re-designs of gear shifting mechanisms, but what I really wan to know is...what do you want from your shifter/derailleur? Any comments are appreciated, thanks in advance! |
Build quality , VFM , longlivity
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cee
Joined: 16 Jul 2007
Posts: 2531
Location: Edinburgh
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Posted Wed Nov 4, 2009 1:01 pm |
for me...the hub gear alla Rohloff Speed Hub...is getting closer to the perfect solution for me. and i say closer carefully because there are some showstoppers....
the boos....
twist shift...uses 2 cables (1 for up 1 for down) because it is not sprung like a mech there is no mechanical memory involved..
Cost...nuff said
the yays...
no mech to smash off a rock (again....)
little or no maintenance other than a flush and oil change..
14 distinct gears is all we really have anyway (or close enough)
If they could get a proper shifter and half the cost, i would seriously consider it.
I went out with a scruffy girl once......turns out she was just crazy! |
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joshtp/mbukman
Joined: 15 May 2008
Posts: 884
Location: the place you drive 4 hours to, WALES! Swansea
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Posted Wed Nov 4, 2009 2:12 pm |
| supersonic wrote: | | How do you fit a new one? |
split seatstay
"oh dear, i seem to have hit a tree."
GT Aggressor XCR 09 + shiny bits |
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ride_whenever
Joined: 17 Oct 2006
Posts: 8277
Location: United Kingdom
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Posted Wed Nov 4, 2009 2:35 pm |
According to the fat cyclist (admittedly using in the dry) there is basically no difference in the feel of chain vs. belt. As for the load breaking of chains, most people either have, or know someone whos broken one, usually due to a poor rivet. With the complete build there is no issue with that.
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456!
silly little bike |
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yeehaamcgee
Joined: 07 May 2007
Posts: 6055
Location: Worth Nails
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Posted Wed Nov 4, 2009 2:41 pm |
Crap manufacturing is the reason most chains break. Ignoring manufacturing faults, their strength is far in excess of any forces we put through them
Mae'n enw i wedi ei grafu, hefo hoelan wedi rhydu, ar y lechan las
New
Old
Hardtail
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_Ferret_
Joined: 25 Mar 2008
Posts: 460
Location: Freiburg, Germany
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Posted Thu Nov 5, 2009 11:10 am |
| yeehaamcgee wrote: | | Crap manufacturing is the reason most chains break. Ignoring manufacturing faults, their strength is far in excess of any forces we put through them |
Obviously if you had a prefect chain then this would be true. But all chains are made with links and pins and these have tolerances and give over time due to shifting gears etc. A belt drive should theoretically last longer because it has no links to stretch over time, regardless of which gear you are in the belt would be able to take the angle it has to run at better than a chain.
Has anyone tried a belt drive with more than one gear?
I'd be interested to know if it can take gears (frinstance largest cog to largest cog) without twisting...
Lapierre Zesty 514
http://i663.photobucket.com/albums/uu353/ferret_/IMG_0536.jpg
Müsing hardtail custom build
http://i663.photobucket.com/albums/uu353/ferret_/IMG_0537.jpg |
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cee
Joined: 16 Jul 2007
Posts: 2531
Location: Edinburgh
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Posted Thu Nov 5, 2009 11:29 am |
belts are not really indestructible...think about the belts in a car engine....they can stretch/split get teeth wear, and need replaced when they have not really snapped....
I thought the only way to run gears with a belt drive was to use a hub gear system?
could be wrong.
I went out with a scruffy girl once......turns out she was just crazy! |
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yeehaamcgee
Joined: 07 May 2007
Posts: 6055
Location: Worth Nails
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Posted Thu Nov 5, 2009 11:35 am |
why would a belt take an angled line any better than a chain?
These are all assumptions/wishfull thinking, I see no concrete "this is why belts ARE better" statements.
Mae'n enw i wedi ei grafu, hefo hoelan wedi rhydu, ar y lechan las
New
Old
Hardtail
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_Ferret_
Joined: 25 Mar 2008
Posts: 460
Location: Freiburg, Germany
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yeehaamcgee
Joined: 07 May 2007
Posts: 6055
Location: Worth Nails
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Posted Thu Nov 5, 2009 12:58 pm |
belts can break as well though.
Mae'n enw i wedi ei grafu, hefo hoelan wedi rhydu, ar y lechan las
New
Old
Hardtail
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