Custom order What type of bike? Which gear system? Chain or belt? Rim or disc? Technical info FAQ

Custom order

Design your own perfect bike
Design your own perfect bike

With KOGA Signature you design your own bike based on your specific needs. You can choose the frame and components, you can even personalise it with your name or text.

 

Choose your own way

Within the Signature range you can choose  from two bicycle types : Trekking or Touring. The choice depends on how you will use your bike.

 

One skilled mechanic

Your bike will be hand built by a certified mechanic in our factory in Heerenveen. One skilled person is responsible for assembling the bike. By devoting personal care and attention to the assembly the finished bikes high quality and durability is guaranteed.

 

Fast delivery

Your bike will be available for collection from your local dealer within 4 weeks from ordering.

What type of bike?

Trekking or Touring
Trekking or Touring

Our offer is divided into two possibilities; Touring and Trekking. To make the correct choice, it is important to define how the bike will be used.

 

In order to help make the correct choice you can find below an explanation of the possibilities.

 

Trekking
Trekking

The trekking bike is suitable as a robust commuter bike, extreme touring bike and everything in between. The bike is stable and rigid, without feeling unwieldy, and also feels at home off-road. So you can get from A to B carefree, enjoying the adventure and the environment in which you are riding. For riders who require low-maintenance and robust performance the bike can be specified with a Rohloff gear and pinion.

 

Three frame variants are available:

World Traveller WT29 - Men's frame

World Traveller S - Men's Frame*

World Traveller S Mixed - Women's frame mixed*

 

* Available from March 2016

 

 

Touring
Touring

The touring bike is suitable for use as a luxury city bike and as a light touring bike and everything in between. The bike is agile and dynamic. There are many options and accessories available for this bike so even the most demanding cyclist can create a tailored and specific bike.

 

Three frame variants are available:

Traveller TR28 - Men's frame

Traveller CF28 - Ladies frame mixed

Traveller LF28 - Ladies frame low entry

 

Which gear system?

Hub or derailleur gear or pinion
Hub or derailleur gear or pinion

When choosing your gear system, there a few things you need to consider. In addition to the intended purpose, your technical knowledge, ease of maintenance or the correct gear span are important selection factors to keep in mind. Below you can find the advantages and disadvantages of the various gear systems we offer.

 

Derailleur gear
Derailleur gear

Advantages:

 

  • Easy access for maintenance and adjustment
  • Proven system that can be fixed anywher
  • Low weight

Disadvantages:

 

  • Vulnerability due to protruding derailleurs
  • Dirt and maintenance sensitive
  • Overlap in gears
  • Choosing the right gear requires knowledge and experience
Alfine gear hub
Alfine gear hub

Advantages:

 

  • A proven concept with low maintenance requirements
  • 11 very diverse and usable gears
  • One twist grip enables gear change while standing still
  • Suitable for a belt drive

Disadvantages:

 

  • Heavy rear wheel
  • Frame with adjustable dropouts or eccentric bracket needed
  • Changing gears requires physical effort
  • Limited gear range
Rohloff hub gear
Rohloff hub gear

Advantages: 

 

  • High quality proven concept
  • 14 very diverse, usable gears with a wide range
  • One twist grip enables gear change while standing still
  • Minimal maintenance; oil can be changed once every 5,000 km
  • Suitable for a belt drive

Disadvantages:

 

  • Relatively high weight of the rear wheel
  • Frame with adjustable dropouts or eccentric bracket needed
  • Removing wheel to repair a punctured tyre requires more effort
Pinion gear
Pinion gear

Advantages:

 

  • 18 comprehensive, usable gears with an extremely wide range
  • Centred weight, low center of gravity
  • One twist grip that allows for gear changes while riding or at standstill
  • Minimal maintenance; oil change every 10,000 km
  • Suitable for belt drive

Disadvantages:

  • Weight of the total system
  • Specific frame required 

Chain or belt?

Gates Center Track (CDX)
Gates Center Track (CDX)

Due to the popularity of the hub gear systems and positive practical experience from customers demand for the drive belt has increased enormously in recent years.

 

KOGA Signature chooses the Gates Center Track Belt

This belt is a further development of the original (CDC) belt. The CDX belt is 4 mm wider than the old CDC belt and therefore has a higher tensile strength. With the CDX, mud and snow is pressed aside the sprockets of the gear wheels in two directions. The raised middle edge prevents the accumulation of dirt. As the belt is led over the raised edge, the belt cannot jump off and also it is easier to mount on the road. Since the CDX gear blades are symmetrical, they can be rotated, prolonging the system’s lifespan.

Belt
Belt

Advantages:

 

  • Long service life; three to four times as long as a normal chain
  • Low maintenance and no lubrication required
  • No stretching of the belt
  • Low weight 

Disadvantages:

 

  • Specific frame with split rear fork required
  • Only suitable for hub gear and Pinion
  • A break can occur when the belt is sharply bent or folded
Chain
Chain

Advantages:

 

  • Easy to cut to length
  • Available everywhere

Disadvantages:

 

  • High-maintenance
  • Subject to elongation
  • Wear Sensitive

Rim or disc?

Brakes
Brakes

The use of disc brakes in the mountain bike segment has gained enormously in popularity during recent years, and they even revolutionise the racing bike segment. Quality disc brakes are an excellent alternative to a mechanical or hydraulic rim brake. Here is an overview of the advantages and disadvantages of both types:

Disc brakes
Disc brakes

Advantages:

 

  • Huge and well controllable braking force
  • Easy to change brake pads
  • A bend in the rim doesn’t restrict performance
  • No wear of the rim 

 Disadvantages:

 

  • A bent disc is a restriction

 

Rim brakes
Rim brakes

Advantages:

 

  • V-brake is easy to maintain
  • Magura is very easy to control with little manual effort
  • With Magura changing brake pads is simple

Disadvantages:

 

  • Wear
  • V-brake is dirt and maintenance sensitive
  • A big bend in the rim prevents you from riding

Technical info

Technical information

In order to help make the correct choice, the sheets below give additional information regarding the dimensions and the gear span.

 

PDF DocumentGeometry Signature Trekking - 2015.pdf

 

PDF DocumentInformation gear span.pdf

 

 

FAQ

How can I order a KOGA Signature bike?

You can create a Koga Signature bike yourself easily online through this website or by using the KOGA Signature column at your dealer. After a non binding reservation, the specification will be checked by the dealer and with your final approval entered into production. The bike is then completely hand built by one of our skilled technicians in Heerenveen. Your bike will then be delivered to your chosen dealer.

What is the delivery time for a KOGA Signature Custom bike order?

Koga aims to deliver your bike to the dealer within three weeks. In exceptional cases, the delivery time can be longer. Your dealer will of course be informed should there be delays.

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