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Old 09-13-21 | 11:23 AM
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rumrunn6
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From: 25 miles northwest of Boston

Bikes: Bottecchia Sprint, GT Timberline 29r, Marin Muirwoods 29er, Trek FX Alpha 7.0

I have one, where 1 bolt adjusts the angle & the other sets the tension. maybe it's like that?
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