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CONTEC Tenderizer MTB flats pedals plastic black
in stock1-2 weekdays
Shimano Claris R2000 Shift Lever Set 2 x 8 Gears Flatbar
Pre-orderExpected 21/10/2026
Pirelli P7 Sport folding tire 700x30c
Pirelli
30,99 €
Pre-orderExpected 26/10/2026
Enduro 24371 LLB ABEC3 24x37,1x7mm
in stock1-2 weekdays
Shimano Wire for Di2 gear 140 cm
in stock1-2 weekdays
Promovec Controller Carrier 4 36V 250W S06
in stock1-2 weekdays
Shimano Ultegra 6800 chainring 39T MD
in stock1-2 weekdays
SRAM 1071 10 speed chain
SRAM
33,99 €
in stock1-2 weekdays
BBB brake pad for Avid Juicy among others
BBB
10,29 €
Pre-orderExpected 15/10/2026
BBB BottomBear Pressfit Crank Bearings 30 mm
in stock1-2 weekdays
Gasket WH-RS21
Shimano
1,99 €
in stock1-2 weekdays
Shimano GRX RX810 Crankset 48/31T 170mm 11 speed
Pre-orderExpected 21/10/2026
Shimano klinge 12 tooth A+D til HG cassette
in stock1-2 weekdays
Seat clamp FORCE for carbon frames/ 31,6-34,9mm
in stock1-2 weekdays
SRAM Rival AXS 35t Chainring
SRAM
19,49 €
in stock1-2 weekdays
Tektro brake pads for Dorado calipers among others
in stock1-2 weekdays
Shimano axle for rear wheel model FH-T3000
Shimano
10,29 €
Out of stockExpected 26/11/2026
Schwalbe Smart Sam Performance wire tire 700x42c E25 black
in stock1-2 weekdays
XLC Pulley wheels blue
XLC
22,99 €
in stock1-2 weekdays
Shimano Nexus Axle nut M9 x 3,5mm
in stock1-2 weekdays
Shimano Cues U6000-2 22T Blade for Double Crankset
in stock1-2 weekdays
Union Geardrop GH-233 Giant
Union
22,99 €
in stock1-2 weekdays
Brooks Flyer S Women black
Brooks
131,99 €
in stock1-2 weekdays
CeramicSpeed Alpha MTB bottom bracket BSA SRAM DUB
Pre-order3-6 weekdays
Prologo Dimension TRI PAS saddle 143 mm TiroX Rail 7mm
in stock1-2 weekdays
FORCE BMX aluminum pedals black
Force
23,99 €
in stock1-2 weekdays
Enduro S6901 LLB ABEC5 12x24x6mm
in stock1-2 weekdays
Shimano Alfine gasket ring for hub gear model SG-S700
in stock1-2 weekdays
CeramicSpeed UFO Speed Chain Shimano CN-M9000 bike chain 12 speed 126 links
in stock1-2 weekdays
Cane Creek Tapered Fork I 1 1/8" Head Tube
Pre-order6-10 weekdays
SRAM XX XS-1297 Cassette 10-52T 12 Speed T-Type
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.