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PRO PLT Alu seatpost 27.2mm 400mm 0mm offset
in stock1-2 weekdays
Peatys Holeshot Tubeless Plugger Kit Red
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CONTEC Seto Hybrid adjustable stem 80mm Ø 31.8mm black
Pre-orderExpected 19/08/2026
SRAM Eagle X-SYNC II chainring 32T direct mount 3mm offset steel black
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Schwalbe Racing Ray 26 x 2,25" Super Ground Addix Speedgrip
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CONTEC Seto Hybrid adjustable stem 110mm Ø 31.8mm black
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Shimano Deore M6100 Disc Brake Set Rear Brake Right I-Spec EV
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Schwalbe Magic Mary 27,5 x 2.80" Super Trail Addix Soft
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MicroShift Advent 9-Speed Cassette
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Syncros Hixon iC SL Rise Integrated Cockpit 40mm 5°
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Shimano SM-MT800 Ice-Tech Disc for Center-Lock 140 mm
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Mitas Scylla 27.5 x 2.45 Tubeless Supra MTB Tire
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Schwalbe Pro One TT TLE Addix Race 700x28
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Shimano Diaphragm/menbran right St-r8020/r9120
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XLC geardrop UDH model DO-A200
XLC
6,69 €
Pre-orderExpected 18/08/2026
CONTEC Pipe seatpost Ø 27.2 mm 350mm black
Out of stockExpected 21/10/2026
SRAM Eagle X-SYNC II chainring 34T direct mount 3mm offset aluminum black
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Spirallock with both code and key
9,29 €
Pre-orderExpected 24/08/2026
Sram SX Eagle Rear Derailleur 12 Speed Long Arm
Pre-orderExpected 18/08/2026
Muc-Off Big Bore Hybrid 60 mm tubeless valves black
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Adapter for seatpost Ø27,2 for Ø29,8
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CONTEC Jam.it one qr seat clamp ø 31.8mm black
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Supacaz Handlebar Tape Galaxy Black/Celeste
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Pedal for Winther tricycle
Winther
6,99 €
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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.