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GMC 72670 Mountain Bike

The GMC Topkick 21-Speed Mountain Bike can handle whatever road you ride. The full-suspension, strong aluminum frame utilizes a floating beam suspension design and is mated to a Zoom suspension fork that features elastomer/spring technology. The Topkick's drivetrain starts with Microshift push shifters. These shifters control Shimano's tried and true TZ-30GS derailleur. The drivetrain finishes up with a strong aluminum wheelset featuring V-shape rim profile and high-flange alloy hubs. Stop on a dime with Promax disk brakes on the front and rear. These brakes are vastly superior to rim brakes, especially under adverse road conditions. True to its GMC roots, this bicycle is rugged, good looking, and built for the long haul.

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