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Shimano Plug Cover Di2 Front Derailleur
in stock1-2 weekdays
Crank set 36 teeth Nexus Silver/black.
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Union Geardrop GH-082 Kinesis
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Tube 26x1,50-2,25 SV14 EXTRA LIGHT
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Kenda Kompact 37-451 20x1-3/8" BMX Tire
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BBB pulley wheels
BBB
32,99 €
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Muc-Off precision tubeless repair tool black
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Schwalbe Tough Tom 27,5 x 2,35" K-Guard
Schwalbe
14,29 €
Pre-orderExpected 16/10/2026
DT Swiss Adapter Centerlock Adapter 6-Huls MTB
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Shimano XTR M9100 Pulley Wheel
Shimano
24,99 €
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milKit Tubeless Tape 29 mm
Milkit
16,29 €
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BBB RollerBoys Pulley wheels 12T & 14T Ceramic bearings
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Crankset 46-Tooth Steel Chrome
29,99 €
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Milkit Tubeless Valves Set of 2 pcs. 75mm
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Kool-Stop Eagle 2 brake pads
KOOL-STOP
12,29 €
Pre-orderExpected 15/10/2026
Shimano membrane unit for brake lever model BL-MT200
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Maxxis Rambler EXO gravel wire bead tire 700x45c (45-622)
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Continental Gatorskin 32-622 Folding Tire
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ABUS Adaptor Chain Superior 7KS/130 chain lock black
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News

Spare parts for bicycles

There are an incredible number of different bikes, and almost all models are made up of different parts throughout several different brands. There are also a great many different spare parts for bikes throughout the categories of gear systems, brakes, handlebars, saddles, tires, tubes, handlebar grips, stems, locks, headsets, frames, front forks, and many other components.

 

Gear systems and brakes

Overall, there are two types of gear systems; external gears and internal gears.

External gear systems have a rear derailleur, cassette, or chainring, and sometimes a front derailleur if there are also gears on the front of the bike. Internal gears have a gear hub, often with 3, 5, 7, or 8 gears.

On external gears, you can have many more gears, since you multiply the number of chainrings at the back by those at the front. So you count all the combinations that can be done on the bike. At the back, there can be up to 12 chainrings at the front, so there are 1, 2, or 3 chainrings on the crankset.

Common to both internal and external gear systems is that there is a shift lever on the handlebars that makes it possible to change gears, most systems work with cable and wire pulls, while other newer systems are electronic.

 

Cockpit - handlebars, stem, seat post, and saddle

The handlebars, the stem, the seat post, and the saddle. The handlebar grips or the handlebars are often called the cockpit of the bicycle.

These components can come in many different shapes and styles, but the commonality is that almost all bicycles have these parts.

 

Handlebars

If we look at handlebars, there are different types of handlebars for different bikes. Handlebars are known to come in different shapes and sizes, such as downward-curved handlebars for racers. In contrast, there are also straighter handlebars that we know from mountain bikes, and in addition, the often more backward curved handlebars that are known for their use in city bikes and everyday bikes. The handlebars on BMX bikes also stand out a bit, as they are often much higher.

 

Stem

In general, there are two types of stems; the ahead-system, where the stem does not go down into the frame's crown tube but it's mounted on the outside of the front fork stem that goes up through the frame. In addition, there is also the "old" type, which is still available on many new bikes, where the stem goes down into the frame and connects to the front fork.

Both types are available in different lengths, in versions that are adjustable, and for different handlebar diameters.

When we talk about diameter, it is obvious to also mention seat posts. When you order a new seat post, it is important to check which diameter you need. There are some measurements that are widely used, but in addition to the most normal ones, there are a lot of other sizes. The most normal is 27.2mm and 31.6mm.

 

Different materials

The handlebars, seat posts, and stems are available in different materials such as carbon, steel, and aluminum.

Handlebar grips and handlebars are also available in different materials: foam, leather, plastic, rubber, cork, etc.

Their most important task is to give you the right comfort when you cycle.

 

If you have questions about the selection of spare parts or need help finding the right spare part, you are more than welcome to contact us.

Then we will do our best to help you.