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#1
September 7th 09, 04:12 AM
posted to rec.bicycles.tech
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Installing 3rd (granny) chain ring?
Shimano SG-X.
The chain ring looks a little asymmetrical (it's got a raised ridge running the circumference just under the teeth on one side). What's the correct way to install this chain ring? Ridge side in or out? Thanks. 
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#2
September 7th 09, 04:20 AM
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Installing 3rd (granny) chain ring?
On Sep 6, 8:12*pm, DaveC wrote:
Shimano SG-X. The chain ring looks a little asymmetrical (it's got a raised ridge running the circumference just under the teeth on one side). What's the correct way to install this chain ring? Ridge side in or out? Thanks. Probably in. Any stamping with the model or size usually faces out. Also check for countersink bores on the bolt holes. The bolt heads obviously nestle in those.
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#3
September 7th 09, 08:31 AM
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Installing 3rd (granny) chain ring?
Probably in. Any stamping with the model or size usually faces out.
Also check for countersink bores on the bolt holes. The bolt heads obviously nestle in those. Ah. Counterbores. That was it. Thanks!
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