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Shimano XT M8000 Quick Release 168 mm rear
in stock1-2 weekdays
ABUS 4650XL Amparo NR ring lock black
in stock1-2 weekdays
Schwalbe CX Comp Wire Bead Tire 700x30c (30-622)
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KMC E-Bike Chain 10-Speed 122 links
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Selle Italia Donna Saddle
Selle Italia
39,99 €
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Shimano Deore M4100 Cassette 10 Speed 11-46
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Shimano BB-UN300 - BSA 118 x 68mm - Square Crankcase
Pre-orderExpected 14/10/2026
Sunrace Cassette 9 Speed 11-32T
Sunrace
17,29 €
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Schwalbe Road Cruiser 700x40c Coffee
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Sram PC-870 8 Speed Chain
SRAM
13,29 €
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Spacer Set Black 2/5/10 mm
Bike attitude
2,99 €
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DynaPlug Micro Pro Silver Tubeless Repair Kit
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Shimano cable end for CJ-NX40/8S40
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Kenda everyday tires 700 x 28c white
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Shimano Ultegra R8000 Hoods
Shimano
8,69 €
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DT Swiss black nipple 2,0 x 12 mm 1 pcs.
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Orange Seal Dipsticks / Measuring Stick for Tubeless 5 pcs.
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Schwalbe tube 24"x1.60-2.50 (40/62-507) 40mm Dunlop valve
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BikePartner Steel Chainring, 38t, 104, Narrow Wide
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Continental Grand Prix TR folding tire road 700x28C black/tan
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Abus 5000 Protectus XLH
ABUS
25,99 €
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Token T47 for Hollowtech II
Token
53,99 €
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Enduro MR 17287 LLB ABEC3 17x28x7 MM
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Token Ninja Pressfit Bearings 86-92 mm 24 mm Shaft
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DT Swiss Tubeless Ready Tape 32 mm/10M Black
Pre-orderExpected 09/10/2026
Sturmey Archer twist grip with clickbox for SAM S7 1700mm
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Schwalbe Marathon Plus MTB wire tire 29x2.25 (57-622) black
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Avid Elixir brake pads
Avid
15,29 €
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Locknut closed 10,5mm SRAM gearhub
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Schwalbe Racing Ralph Super Race 29x2,25" Addix Speed Bright Sides
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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.