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2013 GT ZUM Flatbar Road Bike - Performance Exclusive - Commuter Bikes
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  • 2013 GT ZUM Flatbar Road Bike - Performance Exclusive - Commuter Bikes 2013 GT ZUM Flatbar Road Bike - Performance Exclusive - Commuter Bikes
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2013 GT ZUM Flatbar Road Bike - Performance Exclusive

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$509.99
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$399.99
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2013 GT ZUM Flatbar Road Bike - Performance Exclusive

The GT ZUM has been a staple of the Performance bike lineup for many years. The bike is so functionally simple and easy to maintain while being a comfortable mode of transportation at the same time. The 2013 iteration of the ZUM stays true to the many reasons why cyclists choose it as their preferred everyday bike.

The GT ZUM utilizes GT's patented Triple Triangle frame design. The Triple Triangle, which is created at the intersection of the seat tube and tope tube by the seat stays, has been a staple to GT's mountain bike frame designs for two decades. The design displaces the jostling and vibration of the road and trail more effectively, giving the rider a greater feeling of comfort and control. The frame accommodates a 700c wheel and tire for lower rolling resistance and better wheel development per pedal stroke. The compact geometry of the ZUM places the rider in a more upright position to reduce muscle stress on the neck, wrists, hands and back, while allowing for a greater field of vision.

The ZUM features high quality components to handle any number of tasks you may encounter. In order to keep things simple and hassle-free, the ZUM has one chainring and 8-speeds, which is typically more than anyone will need on a given ride around the neighborhood or city streets. A Shimano flat bar shifter and Alivio rear derailleur handle the duties. Promax linear pull brakes are engaged by way of alloy 3-finger levers for plenty of braking strength. Alloy Xrimmed wheels with Schwalbe Road Cruiser tires provide strong traction and water-shedding grip. The ZUM is also fender and rack ready.


  • GT Triple Triangle frame design is durable and made from aluminum to minimize weight
  • Single ring Shimano 8-speed drivetrain keeps it simple, hassle-free
  • Alloy 3-finger brake levers are easy to grab and apply to stop
  • Rack and fender mounts make this bike a great choice for commuting

2013 GT ZUM Flatbar Road Bike - Performance Exclusive

bottom bracket:
Square Taper

brakes:
Promax Linear Pull

cassette:
Shimano CS-HG-31, 8-speed

chain:
KMC Z

crankset:
Alloy with chainguard

fork:
GT ZUM 700c road, fender mounts, standard threaded steerer

frame:
GT Triple Triangle aluminum frame, rack and fender mounts, double water bottle mounts, standard head tube, replaceable rear derailleur hanger

front derailleur:
None

grips/tape:
Rubber, locking bar plugs

handlebar:
Alloy, 25.4mm

headset:
Threaded 1 1/8"

levers:
Alloy, 3-finger

pedals:
Platform resin

rack mounts:
Yes

rear derailleur:
Shimano Alivio, 8-speed

saddle:
GT

seatpost:
GT Alloy 27.2mm

shifters:
Shimano 8-speed (rear only)

stem:
Quill, adjustable rise

tires:
Schwalbe Road Crusier

wheelset:
Xrims, 6061 T6 aluminum, Schrader valve