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Long Chain, Les Wear?
landotter wrote:
slide wrote: As I mentioned, I just got a Rans CF bike and am enjoying it quite a bit. A friend of mine got his last spring. So far he has about 2,500 miles on it (4.000 kms). He mentioned that the Rans doesn't wear chains or sprockets like conventional bikes. He said he has no appreciable chain wear over that period where he'd have at least detectable wear and maybe a new chain needed if it were a conventional bike. He said the reason was the longer chain meant less stress per link thus less wear thus the entire drive train lasts longer. Once people start reclining and riding--the brain is the first thing to suffer. ;-) My guess would be that a wear cycle on a chain would consist of going around the front and rear sprockets once. The flexing being what abrades the internals of the chain with whatever grit it's managed to pick up. Longer chain, fewer wear cycles per mile. That's my steaming turd of an opinion and I'm sticking to it! I thought it was self-evident that a rider can develop several times as much power when he is able push back against his lawnchair for support. Just ask any 'bent rider; he'll tell you. That would wear chains out like nobody's business! Those guys probably should use motorcycle chains, if not something even bigger and stronger from a mining industry machine. Chalo |
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Long Chain, Less Wear?
Chalo Colina wrote:
landotter wrote: slide wrote: As I mentioned, I just got a Rans CF bike and am enjoying it quite a bit. A friend of mine got his last spring. So far he has about 2,500 miles on it (4.000 kms). He mentioned that the Rans doesn't wear chains or sprockets like conventional bikes. He said he has no appreciable chain wear over that period where he'd have at least detectable wear and maybe a new chain needed if it were a conventional bike. He said the reason was the longer chain meant less stress per link thus less wear thus the entire drive train lasts longer. Once people start reclining and riding--the brain is the first thing to suffer. ;-) My guess would be that a wear cycle on a chain would consist of going around the front and rear sprockets once. The flexing being what abrades the internals of the chain with whatever grit it's managed to pick up. Longer chain, fewer wear cycles per mile. That's my steaming turd of an opinion and I'm sticking to it! I thought it was self-evident that a rider can develop several times as much power when he is able push back against his lawnchair for support. Just ask any 'bent rider; he'll tell you. That would wear chains out like nobody's business! Those guys probably should use motorcycle chains, if not something even bigger and stronger from a mining industry machine. Not power but force. And the 'bent rider will not be putting out that maximum force for long. -- Tom Sherman - 42.435731,-83.985007 If you are not a part of the solution, you are a part of the precipitate. |
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