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Kryptonite New York 8,3 x 15,3 cm
Kryptonite
120,99 €
in stock1-2 weekdays
Shimano XT M8250 upgrade kit Di2 wireless GS/I-Spec
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Crankbrothers
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Pre-orderExpected 19/06/2026
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in stock1-2 weekdays
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Syncros Urban Lock-On Grip Small Black
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Shimano Cross/Road chainring 46T BCD110 silver
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Bracket for chain guard
Hebie
10,29 €
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Bike Attitude chainguard w/brackets silver
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Schwalbe Magic Mary Super Ground TLE soft folding tire 29x2.40 black
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Magura Bremsegreb fixing bolt
Magura
1,39 €
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Promovec Sensor BB-speed Wire L700 mm
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Schwalbe Winter 700x40c
Schwalbe
25,99 €
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Union geardrop type GH-080
Union
9,29 €
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Sram X.5 Rear derailleur 9 speed Long Arm
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BBB Skyscraber Seatpost 30,2  x 400 mm
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OneUp Components Handle Orange
OneUp
20,99 €
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Bracket for chainguard
BBG
6,69 €
Pre-orderExpected 22/06/2026
Shimano XT M8100 brake set rear brake Sintered
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LTWOO V5010 Rear Derailleur 10-speed
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Muc-Off Big Bore Lite 80 mm tubeless valves Iridescent
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XLC Evo Freehub Body RW WS-X14
XLC
30,99 €
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ODI AG2 Lock On Handle Gray
Odi
24,99 €
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DT Swiss Cassette Hub Shimano road with Ratchet.
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Syncros Squamish IV flats pedals black
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Bike Attitude Stem Ø31,8 mm - 90mm +/- 7° black
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Hutchinson Caracal Hardskin TLR folding tire gravel 700x45c black
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Stronglight Aero Chainring 54T Diameter 110 5 Holes
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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.