GMC Topkick Dual-Suspension Mountain Bike is mated to a Zoom suspension fork with 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. Stopping is handled by Promax disk brakes on the front and rear. These brakes are vastly superior to rim brakes, especially under adverse road conditions
Features
21-speed mountain bike features a full-suspension, strong aluminum frame
Floating beam suspension design is mated to a Zoom suspension fork with elastomer/spring technology
Microshift push shifters and Shimano TZ-30GS derailleur
Strong aluminum wheelset featuring V-shape rim profile and high-flange alloy hubs
Front and rear Promax disk brakes work great, even in adverse conditions
Floating beam suspension design is mated to a Zoom suspension fork with elastomer/spring technology
Microshift push shifters and Shimano TZ-30GS derailleur
Strong aluminum wheelset featuring V-shape rim profile and high-flange alloy hubs
Front and rear Promax disk brakes work great, even in adverse conditions
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