Review | e*thirteen Extended Range Cog

E*thirteen’s Extended Range Cog gives new life to drivetrains for those that want a 1x setup but are hesitant or unable to make the 11-speed jump. To my knowledge, I have the oldest mountain bike of anyone at Art’s. My all-mountain Giant with 26-inch wheels started life with a 3×9 Shimano drivetrain with high-normal shifting-also known as Rapid Rise. I’ve had some beautiful memories over the years and have always been reluctant to part ways with my steed. While I continue to upgrade it, I realize how much technology has changed and don’t want to invest the money required to put an 11-speed drivetrain on such a dated frame. Enter E*thirteen’s Extended Range Cog-the perfect way to build a 1x drivetrain on a budget.

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