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Continental 24" Inner tube 48/62-507 with 34mm schrader valve
in stock1-2 weekdays
Promovec Ignition Lock 2/6 XL With Cable
in stock1-2 weekdays
SRAM pulley wheels for X7 and X9 (Type 2 & 2.1) Rear Derailleurs
in stock1-2 weekdays
SRAM RED eTap AXS XG-1290 E1 cassette 12 Speed 10-36T
in stock1-2 weekdays
Lasco Chainring for crankset with one chainring 44T 104 mm
in stock1-2 weekdays
Tacx Neo 2T Freehub Body for Campagnolo
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Jagwire Pro Brake Cable Set MTB Black
in stock1-2 weekdays
Sunrace 5 gear Freewheel 14-28
Sunrace
9,29 €
Pre-orderExpected 13/03/2026
DT Swiss End Cap XDR
DT Swiss
15,99 €
Out of stockExpected 20/05/2026
SRAM BBPF30 bottom bracket
SRAM
37,99 €
in stock1-2 weekdays
Shimano FC-M3000 Chainring 40T 96 BCD
Shimano
14,99 €
Pre-orderExpected 31/03/2026
Abus Bordo Lite 6055 Folding Lock 60 cm Black
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Kenda K841 Tire 20x1.95" Black
Kenda
9,29 €
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Schwalbe Racing Ralph Addix Performance 29x2.25" Tl - Ready
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PRO Vibe Aero Alloy Handlebar Black 38cm
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Cassette + chain 10 speed PC1050/1031
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Shimano 8 Speed Cassette 12-32 HG200 Without Box
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Muc-Off Big Bore Lite 60mm Tubeless valves black
in stock1-2 weekdays
Muc-Off Tubeless Tape 21mm Pink
Muc-Off
17,49 €
in stock1-2 weekdays
MicroShift Advent 9-Speed 11-38T
MicroSHIFT
21,99 €
Pre-orderExpected 16/03/2026
Tektro Auriga Twin+ hydraulic brake kit for cargo bikes - left side
Pre-order3-6 weekdays
X-Sauce Tubeless Conversion Kit For MTB
in stock1-2 weekdays
Abus Combiflex StopOver 65 Neon
ABUS
14,29 €
in stock1-2 weekdays
Pirelli P7 Sport 700x24C Race Tire
Pre-order3-6 weekdays
SRAM Racer Chainring (1x10 / 11 speed) 110 mm 40T W / N Alu
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Sram Centerline rotor 160mm rounded
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Shimano XT M8100 Brake Caliper Front/Rear
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Pirelli P Zero RACE TLR 4S 700x28C
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Pirelli P Zero RACE TLR 4S 700x30C
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BikePartner Quick release front 100mm
in stock1-2 weekdays
SRAM Single speed chainring (1x1 speed and internal gears) 48t BCD130mm
in stock1-2 weekdays
Pirelli P Zero RACE TLR 4S 700x32C
in stock1-2 weekdays
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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.