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Derailleur hanger
Afternoon all,
I've snapped my derailleur hanger (again). I can either take my machine to the LBS and leave them to deal with it, or buy a hanger and fit it myself. Firstly, how hard is it to fit a hanger? Do i need any special tools? Secondly, how on earth do i figure out what hanger i need? There seems to be a different design for each frame or something. These guys: http://derailleurhanger.com/ Have a zillion billion types, but nothing in their index corresponding to my bike (which is a Decathlon Rockrider 5XC). Thirdly, am i right in thinking replacing the hanger will solve the problem, or will there probably also be damage to my mech, chain, etc? I think the spokes will need looking at, at the very least. In the meantime, i may have to embrace the dark side and go singlespeed! Ta buckets in advance for any answers, tom -- I could tell you a great many more particulars but suppose that you are tired of it by this time. -- John Backhouse, Trainspotter Zero |
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#2
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Derailleur hanger
On May 9, 1:30 pm, Tom Anderson wrote:
Afternoon all, I've snapped my derailleur hanger (again). I can either take my machine to the LBS and leave them to deal with it, or buy a hanger and fit it myself. Firstly, how hard is it to fit a hanger? Do i need any special tools? Secondly, how on earth do i figure out what hanger i need? There seems to be a different design for each frame or something. These guys: http://derailleurhanger.com/ Have a zillion billion types, but nothing in their index corresponding to my bike (which is a Decathlon Rockrider 5XC). Thirdly, am i right in thinking replacing the hanger will solve the problem, or will there probably also be damage to my mech, chain, etc? I think the spokes will need looking at, at the very least. Is this a joke? If I hadn't checked the link I'd have thought the idea ridiculous. |
#3
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Derailleur hanger
"Weatherlawyer" wrote in message
... On May 9, 1:30 pm, Tom Anderson wrote: Afternoon all, I've snapped my derailleur hanger (again). I can either take my machine to the LBS and leave them to deal with it, or buy a hanger and fit it myself. Firstly, how hard is it to fit a hanger? Do i need any special tools? Secondly, how on earth do i figure out what hanger i need? There seems to be a different design for each frame or something. These guys: http://derailleurhanger.com/ Have a zillion billion types, but nothing in their index corresponding to my bike (which is a Decathlon Rockrider 5XC). Thirdly, am i right in thinking replacing the hanger will solve the problem, or will there probably also be damage to my mech, chain, etc? I think the spokes will need looking at, at the very least. Is this a joke? If I hadn't checked the link I'd have thought the idea ridiculous. The rear mech is in a vulnerable place. Hit it hard (or get your chain knitted in a messy fashion), and the bit of metal it hangs off will get bent. Now if your bike is steel, this is fine - just bend it back, provided you've not snapped it (and even then you can just braze another one on). But if it's Al or CF, you can't do that, and thus you've got a written-off frame. So they come with a deliberately weak link in the form of a derailleur hanger - this bends or snaps rather than the frame being destroyed, and you just buy another. So, not a joke, but actually a rather sensible idea. cheers, clive |
#4
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Derailleur hanger
On Fri, 9 May 2008, Weatherlawyer wrote:
On May 9, 1:30 pm, Tom Anderson wrote: I've snapped my derailleur hanger (again). I can either take my machine to the LBS and leave them to deal with it, or buy a hanger and fit it myself. Firstly, how hard is it to fit a hanger? Do i need any special tools? Secondly, how on earth do i figure out what hanger i need? There seems to be a different design for each frame or something. These guys: http://derailleurhanger.com/ Have a zillion billion types, but nothing in their index corresponding to my bike (which is a Decathlon Rockrider 5XC). Thirdly, am i right in thinking replacing the hanger will solve the problem, or will there probably also be damage to my mech, chain, etc? I think the spokes will need looking at, at the very least. Is this a joke? Is what a joke? If I hadn't checked the link I'd have thought the idea ridiculous. You think the idea of a derailleur hanger is ridiculous? What? Or that there are different kinds? tom -- .... but when you spin it it looks like a dancing foetus! |
#5
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Derailleur hanger
On Fri, 9 May 2008, Clive George wrote:
"Weatherlawyer" wrote in message ... On May 9, 1:30 pm, Tom Anderson wrote: I've snapped my derailleur hanger (again). I can either take my machine to the LBS and leave them to deal with it, or buy a hanger and fit it myself. Firstly, how hard is it to fit a hanger? Do i need any special tools? Secondly, how on earth do i figure out what hanger i need? There seems to be a different design for each frame or something. These guys: http://derailleurhanger.com/ Have a zillion billion types, but nothing in their index corresponding to my bike (which is a Decathlon Rockrider 5XC). Thirdly, am i right in thinking replacing the hanger will solve the problem, or will there probably also be damage to my mech, chain, etc? I think the spokes will need looking at, at the very least. Is this a joke? If I hadn't checked the link I'd have thought the idea ridiculous. The rear mech is in a vulnerable place. Hit it hard (or get your chain knitted in a messy fashion), and the bit of metal it hangs off will get bent. Now if your bike is steel, this is fine - just bend it back, provided you've not snapped it (and even then you can just braze another one on). But if it's Al or CF, you can't do that, and thus you've got a written-off frame. So they come with a deliberately weak link in the form of a derailleur hanger - this bends or snaps rather than the frame being destroyed, and you just buy another. Even on steel frames, it's not a bad idea; it means you can fix the problem yourself without needing brazing equipment or risking metal fatigue. tom -- .... but when you spin it it looks like a dancing foetus! |
#6
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Derailleur hanger
"Tom Anderson" wrote in message
h.li... On Fri, 9 May 2008, Clive George wrote: "Weatherlawyer" wrote in message ... On May 9, 1:30 pm, Tom Anderson wrote: I've snapped my derailleur hanger (again). I can either take my machine to the LBS and leave them to deal with it, or buy a hanger and fit it myself. Firstly, how hard is it to fit a hanger? Do i need any special tools? Secondly, how on earth do i figure out what hanger i need? There seems to be a different design for each frame or something. These guys: http://derailleurhanger.com/ Have a zillion billion types, but nothing in their index corresponding to my bike (which is a Decathlon Rockrider 5XC). Thirdly, am i right in thinking replacing the hanger will solve the problem, or will there probably also be damage to my mech, chain, etc? I think the spokes will need looking at, at the very least. Is this a joke? If I hadn't checked the link I'd have thought the idea ridiculous. The rear mech is in a vulnerable place. Hit it hard (or get your chain knitted in a messy fashion), and the bit of metal it hangs off will get bent. Now if your bike is steel, this is fine - just bend it back, provided you've not snapped it (and even then you can just braze another one on). But if it's Al or CF, you can't do that, and thus you've got a written-off frame. So they come with a deliberately weak link in the form of a derailleur hanger - this bends or snaps rather than the frame being destroyed, and you just buy another. Even on steel frames, it's not a bad idea; it means you can fix the problem yourself without needing brazing equipment or risking metal fatigue. And it means you don't get alignment problems from bending it back incorrectly as well - a good idea in so many ways! (that said, I bent back the Al hanger on my road/utility bike a few months ago. Probably ought to get a spare just in case...) cheers, clive |
#7
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Derailleur hanger
On Fri, 9 May 2008 13:30:56 +0100, Tom Anderson
wrote: Afternoon all, I've snapped my derailleur hanger (again). I can either take my machine to the LBS and leave them to deal with it, or buy a hanger and fit it myself. Firstly, how hard is it to fit a hanger? Do i need any special tools? Secondly, how on earth do i figure out what hanger i need? There seems to be a different design for each frame or something. These guys: http://derailleurhanger.com/ Have a zillion billion types, but nothing in their index corresponding to my bike (which is a Decathlon Rockrider 5XC). Thirdly, am i right in thinking replacing the hanger will solve the problem, or will there probably also be damage to my mech, chain, etc? I think the spokes will need looking at, at the very least. In the meantime, i may have to embrace the dark side and go singlespeed! Ta buckets in advance for any answers, I've changed about 6 hangers over the last year. They are easy to replace once you are used to it 5 mins, though once I got the chain in a tangle and it took me ages to sort the tangle out. I cannot help you with the type of hander you might need. |
#8
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Derailleur hanger
Tom Anderson wrote:
Afternoon all, I've snapped my derailleur hanger (again). I can either take my machine to the LBS and leave them to deal with it, or buy a hanger and fit it myself. Firstly, how hard is it to fit a hanger? Do i need any special tools? Secondly, how on earth do i figure out what hanger i need? There seems to be a different design for each frame or something. These guys: http://www.decathlon.fr/FR/patte-derailleur-34946078/ says it fits all their bikes seems to be this one http://www.edinburghbicycle.com/ebwP...c003151c003217 |
#9
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Derailleur hanger
On 09/05/2008 15:55, Weatherlawyer said,
Is this a joke? If I hadn't checked the link I'd have thought the idea ridiculous. Why should it be a joke? Many bikes have replaceable hangers - it's an eminently sensible idea. -- Paul Boyd http://www.paul-boyd.co.uk/ |
#10
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Derailleur hanger
Tom Anderson wrote:
Afternoon all, I've snapped my derailleur hanger (again). I can either take my machine to the LBS and leave them to deal with it, or buy a hanger and fit it myself. Firstly, how hard is it to fit a hanger? Do i need any special tools? It's easy to fit, and probably just needs ordinary tools. With my Tifosi one, it's just an allen key, iirr. Remove wheel, shift to top gear (to minimise cable tension), unscrew mech from hanger, remove hanger. If mech looks OK, just leave it dangling by the cable. Fit new hanger, fit mech to hanger. /snip Thirdly, am i right in thinking replacing the hanger will solve the problem, or will there probably also be damage to my mech, chain, etc? I think the spokes will need looking at, at the very least. I dunno. Depends on the cause of the problem and how lucky you are. ~PB |
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