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1. Introduction 

 

Dear customer, congratulations on purchasing your Bülk-MK1! 

With the Bülk MK1 you have acquired a velomobile that has been uncompromisingly optimized in 
terms of aerodynamic efficiency, suitability for everyday use and safety. It was originally designed for 
use in races, but can still be used in public transport if used properly. 

Velomobile World hopes that you will discover the diverse possibilities of sporty and practical use of 
this velomobile and thus enrich your life. 

Velomobiles are still very rare around the world, although they represent an innovation that is in tune 
with the times. 

So you can see yourself as a pioneer! 

A velomobile can play an important role in a decarbonized and sustainable world, in which the joy of 
movement and self-sufficient mobility are required. 

Whether  commuting  to  work,  daily  sport,  alternative  travel  or  transport,  the  velomobile  is  a  multi-
talent and can conquer your everyday life! 

To ensure that you enjoy driving and do not endanger your physical well-being, it is important to read 
these operating instructions very carefully and to follow them. 

The Bülk-MK1 has (like velomobiles in general) some special riding characteristics that are not known 
from normal bicycles and that can lead to dangerous situations if the rules given in these instructions 
are not observed. 

All  parts  of  the  Bülk  velomobile  are  built  to  be  weight-optimized.  In  order  to  avoid  damage  or 
destruction, you should follow the relevant rules of use and never use force or rudeness when handling 
the vehicle 

General: All instructions should always be read through to the end, as important information is often 
only found at the end and premature use can lead to damage. All designations: front, rear, right, left, 
top and bottom always refer to the upright vehicle seen in the direction of travel. 

There are a number of videos at Velomobile World that explain individual service jobs and repairs. 
Use this. The videos are continuously updated and promote your independence in using the Bülk. 

We wish you a lot of joy with this vehicle! 

2. Before you set off 

 

A new vehicle from a dealer has gone through a safety check and a handover inspection. 
A quick check should still be done before you start: 

 

2.1 Check before driving a new vehicle 

 

 

Is there enough air in the tires? Maximum pressure according to the tire manufacturer makes 
sense 

Summary of Contents for Bulk MK1

Page 1: ...d vehicles 4 3 While driving 5 4 Information on the special features of the vehicle 5 4 1 Brakes 5 4 2 Steering 6 4 3 Cornering 6 4 4 Speed 7 4 5 Lighting 7 4 6 Body 7 4 7 Behaviour in traffic 7 4 8 L...

Page 2: ...seat 12 5 7 1 Basic settings 12 5 7 2 Quick settings 13 5 8 Correct setting of the tiller cable 13 6 Hoods and lids 13 6 1 Foam combi lid 13 6 2 Hood for daily use with moped visor 14 6 3 Racehood 14...

Page 3: ...carefully and to follow them The B lk MK1 has like velomobiles in general some special riding characteristics that are not known from normal bicycles and that can lead to dangerous situations if the r...

Page 4: ...t should never be less than 6 mm The end of the trailing arm which leads through the wheel housing should definitely be screwed on with a self locking nut and have a sufficient thread protruding The c...

Page 5: ...y e g because you shifted while stationary the chain can jam with the rear derailleur and cause damage Stop the backward movement immediately if you feel resistance or hear a suspicious noise Since th...

Page 6: ...g using the steering levers on the front wheel housing it is in principle possible to steer with one lever but note that in braking situations both hands are needed to operate the left and right brake...

Page 7: ...rly visible in traffic 4 6 Body With the B lk MK1 the body takes on a supporting function and is not only responsible for wind and weather protection However so that the body can be built as lightly a...

Page 8: ...t feel any pressure while riding but the distance to your shoulders is no more than about 1 cm 4 10 The tiller cable The steel cable with which the steering column tiller is adjusted in its inclinatio...

Page 9: ...aching them as obliquely as possible Do not under any circumstances drive over deadlocks at high speed Potholes can also lead to bottoming Feel your way towards these conditions 4 14 Boarding and dise...

Page 10: ...with the visor becomes too poor you should open the visor a little 5 Maintenance and Self Help The wear on the drive components is significantly lower than on a normal bicycle This is because the chai...

Page 11: ...en these elastomeric rubbers are worn out they must be replaced Sometimes simply tightening the screw connection is enough The important thing here is that the screw connection must not be tightened t...

Page 12: ...oft pad and secured against each other so that they cannot tip over The support points should be chosen so that the stiffened parts of the B lk are supported so that the body does not buckle Remove lu...

Page 13: ...ated behind the seat so that it fits the head position in the head rest adapter The head should neither be looking too far into the sky poor vision with varifocals nor should it be bent too far forwar...

Page 14: ...hen the inlet will open When you push the actuator back up you close it again Under no circumstances should you try to open it by turning the actuator The actuator may only be pulled or pushed otherwi...

Page 15: ...chapter 5 7 Here are the approximate sizes again Persons from 145 165 cm choose the adapter small Persons from 165 180 cm choose the adapter medium People over 180 cm usually do not need an adapter a...

Page 16: ...cause then they will be pushed out of your ideal line and the drive will no longer run efficiently The chain then rubs in the chain tube With the carbon cover you can avoid this and use the space behi...

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