GMC Topkick

GMC Topkick


Boasting a full-suspension, extra-strong aluminum frame, the GMC Topkick Dual-Suspension Mountain Bike is an ideal choice for both trail riding and rough city riding.

The frame employs a floating beam suspension design mated to a Zoom suspension fork with elastomer/spring technology. This gives the bike a smooth, steady performance even on rough terrain.

The Topkick's drivetrain, meanwhile, is outfitted with Microshift push shifters that control Shimano's tried-and-true TZ-30GS derailleur. The drivetrain also offers a strong aluminum wheel set with a V-shape rim profile and high-flange alloy hubs. And to keep you stopping smoothly in any circumstance, the Topkick boasts front and rear Promax disc brakes. Disc brakes are vastly superior to rim brakes, especially under adverse road conditions. True to its GMC roots, the Topkick mountain bike is rugged, good looking, and built for the long haul.

Full Specification:
• Frame: 26-inch full-suspension aluminum MTB frame
• Fork: Zoom CH-386 suspension fork, 65mm travel
• Shocks: Kind Shock, adjustable to 650 pounds
• Chain: KMC Z51
• Crankset: Alloy ISA 335P, 28/38/48, L170mm
• Front derailleur: Falcon MF 31 T
• Rear derailleur: Shimano RD-TZ30GS SIS, 7 speed
• Shifters: Microshift TS-50 ADII index L3/R7
• Brake levers: GP 30 AP aluminum
• Brakes: LCHI DSK-320 disc brakes, 160mm
• Rims: Alloy black 26 x 1.5 inches
• Tires: Kenda black with yellow band 700 x 25C
• Stem: A-head TDS63K-8, EXT: 100mm, 15D
• Handlebar: HL-MTB 153, W: 600mm, R: 30mm
• Saddle: Velo, black padded
• Seat post: Alloy micro-adjust 27.2 x 300mm with quick-release

Pros:

  • The bike is stylish and visually appealing
  • The aluminium and full strut suspension lend a great and very comfortable ride
  • I found that the dual suspension is great for the commute to work especially as there are a lot of cubs long the way so plenty of drops
  • The disk brakes are fantastic and a rarity for a bike at this price. If you need to adjust them hold the brake lever and using a hex wrench on the opposite center of the disk brake adjust until the pads are flush
  • At 38lbs the bike is a great commuting bike although I would hesitate to recommend it for racing as it might be tad heavy
  • Push button shifters are a joy to use
  • Rear derailleur shifts very smoothly with no jumps or “clatters” and the front derailleur is great too

Cons:

  • I recommend going to a bike dealership if you want to add liners to the tires. I found these to be difficult to do (my DIY skills do leave alot to be desired!)
  • If street riding will be your thing you might want to change the knobbly tires
  • I found that the stem cannot be raised without adding a spacer
  • Due to the deep V Rims you might find that the shrader valves are not long enough so you might want to change these

Summary
I have no hesitation in recommending this bike. The GMC Topkick Dual-Suspension Mountain Bike fights well above its weight competing with similarly specified bikes at more than double its price point. Of course there are a few niggles especially after the first 100 miles or so where you will need to check the shifters to see if the cables have tightened. But this is true of any new bike. The pros far outweigh the cons so if you a looking for a fantastically priced bike then look no further than the GMC Top Kick.

Check out the GMC Topkick Dual-Suspension Mountain Bike at Amazon.com where it's selling at between $250 - $350.

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