8H internal hub belt drive folding bike

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8H folding bike
8H in Hatteras

It’s back, but we just sold out of the silver color! Yes, the Downtube 8H  has returned due to popular demand and now comes with an ever richer assortment of biking refinements and high-tech innovations for 2017!! The 8H uses Shimano Nexus 8sp hub with Gates CDX belt.

The new 8H folding bike builds upon its proven heritage of design excellence and now features an innovative Gates Carbon Drive belt or lower cost stainless steel chain. The Gates Carbon Drive belt is rust-proof and won’t stretch or slip as you change gears. It uses a proven belt technology more commonly found in motorcycles. The rounded carbon fiber teeth on the new belt is easier to maintain, more reliable, smoother running resulting in a more comfortable, relaxing riding experience.

The 8H multi-speed Shimano Nexus internal gear hub uses a single, handlebar mounted shifter, that’s so intuitive especially when compared to the dual handed, gear shifters that used pulleys to adjust externally exposed gear cassettes and chain-rings.

The “old days” of remembering which combination of front and rear, left and right derailleur gear combinations to use to avoid stretching and fatiguing the metal chain are over. The virtually maintenance-free Shimano Nexus 8-speed gear internal hub is completely sealed from damaging dirt and grime.

The 8H’s solid legacy of bike excellence has been greatly enhanced with additional design upgrades. If you are a boater, RVer and commuter, you will simply adore this model. Nowhere will you find a better bike with Gates Carbon Drive belt comparable to the affordable 8H with Shimano Nexus 8-speedhub!

The 2017's have a disc front hub, 60T front CDX chainring & 22T cog, and no suspension option. What does all of that mean in layman terms? Well, you will have a bike that allows for a comfortable ride. The 8H has no rear derailleur or external shifter. It has no cogs or gears as well as no chain. That means you don’t have to be concerned about improper shifting or cleaning the drive train. So much work has gone into making this bike of better quality than it was before.

Not that the previous one wasn’t great, but we wanted to make sure that you had more than our expected. The bike is enclosed in a completely sealed and maintenance-free setting. The 8H is very comfy and that is all due to the 20 inch wheels and the suspension fork. If you are a boater, RVer and commuter, you will simply adore this model.

Nowhere will you find a bike with a Gates CDX carbon drive belt paired to the Shimano Nexus 8sp hub for under $2000!

This bike gives you the sound of a new evolution! It also gives you clean and quiet riding without the chain, lubrication, stretch or maintenance.

So that you could enjoy the ride, we included some excellent features that included the aluminum frame equipped with lightweight fenders. We also added a durable rack and kickstand. Of course, how could we leave out the high quality levers and Tecktro V brakes? We even matched up the levers and brakes with aluminum machined-sidewall rims, which make the bike able to stop on a dime, immediately engaging the textured surface.

If you use your bike to commute, we thought about you too. We added a water bottle braze-on, but the cage is not included. And we also added an interface for the headtube bag. We went further with our upgrades by adding the frame quick release, folding pedals and stem.

We decided to integrate the headset into the head tube. Additional mini-bar ends and high-rise handlebars give the rider more edge by customizing the fit without having to interfere with the fold.

Watch the videos to learn more about bike


  • Shimano Nexus 8sp hub
  • Gates Carbon belt drive
  • Preload adjustable transarch Zoom suspension fork
  • 8H use Shimano Nexus gripshift 
  • Lightweight and easy to fold alloy pedals
  • Upgraded cold forged crank
  • Machined sidewall rims
  • Longer Seat tube to allow for taller riders
  • High-rise bars
Folded size: approx. 14" x 24" x 33"
Weight: 28.5 lbs no suspension model (w/o rack, pedals, saddle )
Folding time: 15 seconds
Rider Height: 4'9" - 6'3"
Rider Weight 255lbs max.
Frame: Xtra-Light Aluminum frame
Fork: Zoom transarch designed fork with disc tabs and alloy lowers
Saddle: Gel saddle
Seat post: Kalin 500 mm Aluminum seat post
Brakes: Tektro V brakes
Brake Levers: Tektro levers
Front wheel: Quando 24H QR hub w/ machined V shaped rim
Tires: Kenda 20 x 1.5" front and 20 x1.75" rear
Shifters: Gripshift 8sp or trigger shifter 11sp
Cranks: 8H uses Prowheel 170mm 60T Gates carbon ring 22T rear cog
11H features direct drive crank with external bearings 
Gear Inches: 8sp hub 27 ( 1st ) - 82 ( 8th ) 
Belt/Chain: Gates Carbon Drive Belt
Pedals: Folding right and left

8H Features:

8H Folding & Unfolding:



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  • 5
    Belt Drive is awesome!

    Posted by Markus on Aug 22nd 2017

    Needless to say, that after one year of almost daily use of my 8H w/Gates Carbon Drive belt I absolutely love this bike and riding it. Currently I am upgrading it with some awesome Magura brakes [http://www.magura.com/en/], thus cherishing & leveraging my initial investment.