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Old 11-01-05, 02:52 PM   #1
Fly Bikes90
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Primos new Mix Cassette

Primo came out with a new cassette, and it can run an 8t driver. the problem is that there is no chainwheel that would fit the correct gear which is 22-8t people have only made them as low as 23t. someone tell me the solution to this problem!!!
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Old 11-01-05, 04:18 PM   #2
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you run a 23, one tooth isnt going to make much of a difference. Besides, thats completly pointless, why would you want to go that small?
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Old 11-01-05, 04:22 PM   #3
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He's concerned about size, apparently.
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Old 11-01-05, 05:13 PM   #4
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1) 23-8 is the smallest sprocket that one can make, without having the sprocket bolt interfere with the chain.
2) 9-tooth drivers already cause chains to snap prematurely, due to the increased stress and tension put on them. 8-tooth drivers (or, in Primo's case, cogs) are even worse.
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Old 11-01-05, 06:58 PM   #5
Fly Bikes90
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Quote:
Originally Posted by Beerman
1) 23-8 is the smallest sprocket that one can make, without having the sprocket bolt interfere with the chain.
2) 9-tooth drivers already cause chains to snap prematurely, due to the increased stress and tension put on them. 8-tooth drivers (or, in Primo's case, cogs) are even worse.
how come stress is caused on a lower gear. is it because of the loss of surface area?
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Old 11-01-05, 07:10 PM   #6
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how come stress is caused on a lower gear. is it because of the loss of surface area?
Besides the tight bend, your short chain goes around a lot more than a long chain.
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Old 11-01-05, 07:19 PM   #7
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25t is already more than small enough to be out of the way. why would you want to go any lower?
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