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Bikepartner steel chainring Ø104 38T
in stock1-2 weekdays
Schwalbe Lugano 700x25c Tire Bright Sides
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Look Keo Classic 3 Black/Red
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40,99 €
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3,09 €
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ABUS
16,29 €
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Dynamic Wipe Out Sealant Remover tubeless cleaner 150ml
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Handlebar tape FORCE cork, red
Force
8,29 €
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Abus chain lock with combination web 1200 110 cm red
Pre-orderExpected 23/04/2026
Shimano PD-EH510 combi pedals for SPD and platform
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Lockingring for cog gearhub
SRAM
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Vredestein tubeless rim tape 23mm x 10 meter
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Schwalbe tube 20 x 1,50-2,35" AV40
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Dynamic Bar Keeper Pro tubeless sealant 1000ml
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Force bottom bracket square Alumium
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Continental Grand Prix 5000 S TR Folding tire 700 x 25c Classic
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Schwalbe Smart Sam K-Guard wire bead tire 16x1,85 (47-305) black
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Spray.Bike Primer for Carbon 400 ml
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Shimano Tiagra 4700 rear derailleur medium cage
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Shimano Vent Screw BL-M985 / 988
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Shimano STEPS SM-BTE80 Adapter
Shimano
23,99 €
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Velox rim tape 16mm 2 m
Velox
3,09 €
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Atran Velo Tour 365 AVS Luggage carrier
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Force disc pads for Hayes Stroker/ Ryde
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Bike Attitude pedals for MTB 9/16" plastic black
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Chainring ø94mm 5H
Driveline
21,99 €
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BBB Bar plugs silver 2 pcs
BBB
2,59 €
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Sram Eagle AXS battery cover/protector
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Muc-Off Big Bore Lite 60mm Tubeless valves black
Pre-orderExpected 29/04/2026
Continental 26" Inner tube 47/62-559 with 40mm dunlop valve
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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.