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Shimano Tiagra 4700 front derailleur double braze-on
in stock1-2 weekdays
Shimano Tiagra 4703 crankset 175 mm arm Triple 50/39/30
in stock1-2 weekdays
Guide Bush SR-Suntour for SF11-XCT-V3
in stock1-2 weekdays
Union Gear Hanger Type GH-164
Union
10,29 €
Pre-orderExpected 18/03/2026
Geardrop For Nishiki SRI Team Carbon
in stock1-2 weekdays
Pirelli Scorpion Mixed Lite 29 x 2.20 Tire
in stock1-2 weekdays
Bolts for disc rotor 12pcs gold
in stock1-2 weekdays
Syncros Foil Aero 1.5 Stem 110mm -10°
in stock1-2 weekdays
Shimano Bolts for Washer/Rotor 6 pcs.
in stock1-2 weekdays
ODI AG2 Lock On Handles Black
Odi
23,99 €
in stock1-2 weekdays
Hiplok Carabiner hook for lock
Hiplok
7,29 €
in stock1-2 weekdays
Syncros Foil Aero 1.5 Stem 120mm -10°
in stock1-2 weekdays
Syncros Belcarra V 1.0 Neo Cut Out Saddle
in stock1-2 weekdays
CeramicSpeed bottom bracket BSA30
CeramicSpeed
322,99 €
in stock1-2 weekdays
Bike Attitude chain X8EPT 1/2 x 3/32in 8 Speed 116 links
in stock1-2 weekdays
Sunrace CSM66 cassette 8-speed 12-32 tooth MTB for Shimano or SRAM
Pre-orderExpected 20/03/2026
Plastik Plugs for the Middle of The Squared Crankset
Out of stockExpected 20/05/2026
AbsoluteBlack Oval chainring 30t for direct mounting on E*thirteen
Pre-order5-10 weekdays
Force Adapter for Disc Brakes PM for Flatmount 140 mm
Pre-orderExpected 20/03/2026
Weldtite Ball Bearing 5/32" and Grease
in stock1-2 weekdays
Shimano MT-520 Brake Caliper 4 Pistons
in stock1-2 weekdays
RockShox AM service kit Reba
Rock Shox
23,99 €
in stock1-2 weekdays
MicroShift Marvo 2x8 Speed
MicroSHIFT
10,29 €
in stock1-2 weekdays
Sram 1091r Hollow Pin Red xx Chain
in stock1-2 weekdays
Syncros Belcarra R 1.5 Channel Saddle
in stock1-2 weekdays
Rock Shox service/dust cap kit for Tora and Recon (2007-2012)
in stock1-2 weekdays
Shimano 105 R7100 Front Derailleur With Clamp (34.9mm)
in stock1-2 weekdays
Bike Attitude brake lever black
Bike attitude
10,29 €
Out of stockExpected 22/04/2026
Shimano 105 Octalink bottom bracket 118 mm x 68 mm
Pre-orderExpected 31/03/2026
Schwalbe Smart Sam Plus GreenGuard wire bead tire 28x1,85 (47-622) black
Pre-orderExpected 23/03/2026
DT Swiss Thru Axle Rear 12x142 MM 12x1,5 MM
Out of stockExpected 17/06/2026
Bearing 18307 18x30x7mm
11,69 €
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.