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Pirelli SporTube racing tube 700x23-30C 48mm
in stock1-2 weekdays
Pirelli SporTube racer tube 700x32-40C 48mm
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Silca Ultimate Sealant Tubeless fluid 500 ml
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Silca Ultimate Sealant Tubeless fluid 1000 ml
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Silca Ultimate Sealant Injector
Silca
11,69 €
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Sram PC-1110 11 speed chain 114 links
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Silca Ultimate Sealant Tubeless fluid 65 ml
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Pirelli Cinturato SmarTube race tube 700x28-35c TPU
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Silca Ultimate Sealant Remover 473ml
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Pirelli Cinturato All Road Classic gravel tire 700x40c
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Pirelli P Zero Race TLR Speedcore 700x28
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Pirelli P ZERO Race RS folding tire TLR 700x30C
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Pirelli P Zero Race 4S 700x28c folding tire
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Pirelli P Zero SmarTube Evo race tube 700x25-28 80mm TPU
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Pirelli Roadtube Tube 700 x 23-30c with 48mm long Presta valve
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Pirelli Cinturato Velo 700x32c Folding Bead Tire
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Pirelli P Zero Race 700x30C racer tire
Pirelli
47,99 €
Pre-orderExpected 27/04/2026
Topeak Tubi Valve Cleaner
Topeak
10,29 €
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Pirelli Cinturato All Road Gravel Tire 700x35c
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Pirelli Cinturato All Road Classic Gravel Tire 700x45c
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Deestone 28x1 1/2 (40-635) Tire with 5mm puncture protection
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Pirelli P Zero Race TLR Speedcore 700x28 Classic
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Pirelli P Zero Race RS TLR folding tire road 700 x 30C retro
Pre-orderExpected 27/04/2026
Pirelli P ZERO Race RS folding tire TLR 700x28C
Pre-order3-6 weekdays
Pirelli P Zero RACE TLR 4S 700x30C
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Pirelli Sportube MTB tube 26"/27,5" x 2,5-2,8 with 48mm long valve
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Pirelli P Zero SmartSeal 60 ml
Pirelli
6,29 €
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Pirelli P7 Sport 700x24C Race Tire
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Pirelli P ZERO Race folding tire 700x30c TLR Classic
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Pirelli P Zero Race 700x28C Racing Tires
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Pirelli P ZERO Race folding tire 700 x 28C Classic
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Pirelli P Zero Race 4S 700x30c folding tire
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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.