Average Reviews:
(More customer reviews)This is a good bike - the best feature is the dual suspension. Light and easy dropping off curbs on the way to work - huge difference from my hardtail mountain bike.
Disc brakes are nice to have, on front and rear - work much better than rim brakes. To adjust them hold the brake lever in and tighten them down via a hex wrench on the opposite center of the disc brake until the pads are flush against the disc, then turn back until the brake lever has enough play in it.
The rims are v-shaped, and narrow - much more so than my other bikes. It was quite a job to add tuffy liners to to the tires. I think I will have a bike shop change the tire next time they need it. The hard part is getting the tire off and on those narrow rims. The people at REI said to squeeze on the sides of the tire as you put it on, so both ends go deep into the rim.
Be careful when you put the front tire on that you have the fork facing forward. (I had it backwards the first time). Make sure the big round points on U part of the fork point towards the front of the bike.
The tires are very knobby. If you ride on the street a lot you might want to change them to something with a smoother tread in the middle.
The bike weighs 38 pounds put together - not exactly light, but since I ride for pleasure and exercise, and don't plan to race, the weight is fine.
If you get it for less than 150, (what Amazon is selling it for the week of Feb 20), it is quite a bargain. (disc brakes by themselves often add $100 to a bike).
I raised the seat pretty high for a comfortable ride at my height, and found the handlebars are two low. I fixed this by adding some handlebar extenders which allow me to be more upright when I am not braking.
To my knowledge you can't raise the stem on the handlebars without adding a spacer. If anyone finds out otherwise, please comment to this post.
Another possibility (besides handlebar extensions), would be to replace the handlebar with one that has more of a rise to it.
The Topkick is made by Kent Bicycle Company for GMC. They also make some Cadillac Mountain Bikes - the Cadillac AM2.4 and AM2.7, which are sold on Amazon. They are both dual suspension with disc brakes and have a very similar frame as the Topkick. Both bikes sale for over $1000.
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GMC Topkick Dual-Suspension Mountain BikeBoasting a full-suspension, extra-strong aluminum frame, the GMC Topkick 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.
Specifications:
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
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