Your notes EXTEND YOUR STANDARD WARRANTY 10 YEAR www.hukabikes.com...
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Congratulations on your new Duet Want to cycle carefree and experience the freedom, independence and stability you used to? With your Duet, we want to make your world easier. Probably you would rather go cycling than read the manual. That is why we have put together a manual for you that covers the most important topics.
General..................... 7 Indication & application ................. 7 Warranty ......................7 EU Declaration of Conformity ................ 9 First bike ride on the Duet ............... 10 Safe on the road ..................10 Getting on and cycling ................. 11 Brakes ......................12 Cycling with pedal assistance ..............13 Display ......................
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Adjusting saddle height ................24 Adjusting the saddle depth ................24 Adjusting the saddle angle ................25 Setting the handlebar height ............... 25 Best maintenance Duet ................26 Cleaning ....................... 26 Tire pressure & profile ................. 27 Fixing a tire ....................28 wheels ......................
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Parts replacement..................30 Lighting ......................30 Moving and carrying the bike ..............31 Specifications ..................32 Other subjects ..................34 Contact details Huka ..................34 Changes ......................34 Product removal ..................35 Selling the Duet .................... 35 Recycling the battery ................... 35...
• The Duet complies with all laws and regulations applicable to the use of public roads. Using the Duet as a racing or cross bike falls outside the normal use and responsibility of Huka. •...
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TIP FROM MURAT Write down the frame number of your Duet below. The number is important for guarantees, repairs or in case your wheelchair bike is stolen to report to your insurance company. The number can be found just above the bottom bracket on the back of the seat post on the frame tube.
Risk class: Class 1 Huka uses the following procedures for the CE marking of their products according to Regulation MDR 2017/745: Class 1: according to (EU) 2017/745 Annex VIII. This declaration of conformity is issued under the sole responsibility of Huka. We hereby declare that the medical device (s) specified above comply with the provisions of Regulation (EU) MDR 2017/745 for medical devices.
SAFE ON THE ROAD As well as your dexterity on the Duet, which will improve as you use it, it is important that your wheelchair bike is in optimum condition when you hit the road.
Adjust your speed before turning so that all wheels stay on the ground. Leaning in helps with this. • For safety reasons, the Duet should not be ridden by the cyclist alone. • Always lock your wheelchair bike when parking it using the cable lock.
In this way, you can avoid accidents and damage. Due to safety reasons, such as altered cycle stability, the coupled version of the Duet is not allowed to be used by the rider alone. TIP FROM MURAT...
Do not engage the parking brake when parked. This may damage the hydraulic system. CYCLING WITH PEDAL ASSISTANCE If your Duet has pedal assistance, the electric motor is activated as soon as you start pedaling. Pedaling becomes lighter. When you stop pedaling, the assistance stops as well.
• The height of the footrest (2) can be adjusted on the footrest frame as well as on the Duet by sliding the fixing blocks (3). ADJUSTING THE FOOTBOARD The footboard can be moved and its angle adjusted.
ADJUSTING THE HEADREST The headrest is adjustable in angle and height. • To do this, loosen the socket head bolts of the mounting blocks (1). • Then adjust the height and angle of the headrest and tighten the bolts again. ADJUSTING THE BACKREST The backrest is adjusted as follows: •...
Correct tension of the spokes ensures a stable wheelchair bike. Because of the functioning of the new spokes, the wheels of your Duet need to be checked after 200 kilometers or 2 months. Your Huka dealer can take care of that.
With a good chain tension, your Duet will pedal lightly and you will not hear the chain. If you notice that the chain is too slack, have it adjusted by your Huka dealer.
Various (modified) pedals are available as an option. GEARS Your Duet is standard equipped with 3 gears with back-pedal brake (as an option 8 gears) or rim brake in the rear wheel. Upon delivery your Huka dealer has checked and adjusted the gears. The explanation of the gear hub can be found in the Shimano manual.
If you use the luggage carrier, distribute the luggage as well as possible. The maximum load for this is 20 kg. The total maximum load for the Duet is 80 kg co-driver + 100 kg driver + 20 kg luggage = 200 kg.
PAS VARIO PEDAL ASSISTANCE With the Pas Vario pedal assistance, you pedal along and the pedaling is supported by the electric motor in the rear wheel. The degree of support can be adjusted with the +/- control buttons on the handlebars and can be read on the display.
DISCONNECTING THE WHEELCHAIR To disconnect the wheelchair bike, follow these steps: • Put the wheelchair on the parking brake (photo 1 and 2). • Remove the rear brake handle (if present) by pulling out the locking pin and removing the handle (photo 3 and 4) •...
Next, place the brake cable in the cable clamps. ACCESSORIES Your Duet can be expanded with various accessories. For example, an armrest set, headrest, or other belts in addition to the standard lap belt. You can find more information about this on the price list on our website or...
SECURING PARTS It is important that crucial parts of the wheelchair bike are fastened correctly. These parts must be tightened with the correct torque. The table below shows the values for these tightening torques. Tightening Section torque (nm) Quick release seat post hand-tight Plastic clamping blocks for steering wheel and footwell 8 (max)
Optimal use When you deliver your new Huka, the parts have to be adjusted to your body and tuned to your wishes. To make sure you sit comfortably, there are adjustment possibilities for the saddle and handlebars. ADJUSTING SADDLE HEIGHT 1.
ADJUSTING THE SADDLE ANGLE 1. Loosen the saddle bolt slightly with a box spanner or an Allen key so that the saddle can rotate. 2. Tilt the saddle to the desired angle. 3. Tighten the seat bolt securely. Adjusting saddle Seat height via quick-release lever.
In this chapter, we will show you the best way to go about this. We also advise you to have your annual maintenance carried out by your Huka dealer. They will check the Duet for functionality, safety and possible wear and tear.
Regularly check the tire pressure and the tire profile for optimum grip on the road. This will prevent unnecessary wear on the tires of your Duet. It is also a more pleasant ride and you will be able to react better to braking and steering movements.
FIXING A TIRE Did you find out that one of the Duet's tires is flat? Your Huka dealer can of course fix it. But if you want to do it yourself, here are the instructions. You need: a repair kit (with tire levers, glue, stickers and sandpaper, a jack, scissors, a pump and a bucket of water).
The rear brake can easily be adjusted a bit tighter with the adjustment bolt on the underside of the right-hand brake lever. Can the brakes not be adjusted or is the Duet still not braking properly? Have your Huka dealer check and adjust them.
PARTS REPLACEMENT Is your Duet broken or do parts need to be replaced? We advise you to have this done by your Huka dealer. This will prevent the factory warranty from expiring.
If your Duet is equipped with pedal assistance, the rear light is powered by the battery. If your bicycle is not equipped with pedal assistance, replace the batteries of the rear light by following the steps below: Changes batteries.
Specifications Standard version Frame material Anti-corrosion treated steel Finishing outdoor quality epoxy powder coating Wheels Aluminum rim with stainless steel spokes Tires Schwalbe Marathon Plus (anti-leak) Lighting LED battery lighting front and rear Bell sporty and light bell Mudguards impact-resistant and dimensionally stable plastic Chain protection shockproof enclosed plastic chain guard Handlebar...
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Options see price list for various options *Including height-adjustable and swing-away footboard, washable padding and pelvic belt. Bike part Wheelchair part Total length in mm (H) 2350 Total width in mm (M)) Weight in kg Maximum total load in kg Maximum load in kg Crank length in mm Inside leg length in mm (F) (D)
7575 ED Oldenzaal, the Netherlands +31 (0)541-572472 info@hukabikes.com www.hukabikes.com For questions about the maintenance of your Duet, we refer you to your Huka dealer. CHANGES Huka uses the philosophy of continuous product development and improvement. That is why the product delivered may deviate from the illustrations shown.
Have your wheelchair bike checked by your Huka dealer before you sell it, so you can be sure the Duet will be sold in good condition. Do you want to buy a used Huka bicycle? Then we advise you to have it checked by your Huka dealer.
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Huka makes your world easier For more than 40 years, Huka has been a family-owned company that provides mobility solutions for people with physical disabilities and the elderly. In doing so, we make use of the latest technological developments. In addition to functionality and technology, we focus on attractive, contemporary designs.
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