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Product info |
The "OpenGlide" shifting of the 2007 SRAM OG-1070 will provide crisp, positive shifting under any circumstance -- a mellow spin, or at max power on a steep climb. The first time you set eyes on the OG-1070 you'll likely have the alarming realization that one tooth is missing from each of the 5 high cogs. These missing teeth have two purposes: It serves as a gateway that allows the chain to shift fluidly no matter what kind of stress you're putting the bike under. And it allows the OG-1070 to weigh in at a scant 220g without having to resort to easily-worn titanium cogs. Rather, the OG-1070 is made from durable heat-treated steel, giving you tons of mileage before you'll need to replace it.
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