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Union Geardrop GH-131
Union
9,29 €
in stock1-2 weekdays
Continental Tire Contact Speed reflective 28-622
in stock1-2 weekdays
Shimano Deore M4100 Crankset 36 / 26T 175mm
in stock1-2 weekdays
Shimano Konus WH-MT15-A With Lock Nut
in stock1-2 weekdays
Selle Italia Novus Boost Evo TM Superflow L Saddle
in stock1-2 weekdays
Bike Attitude saddle cover race waterproof black/white
in stock1-2 weekdays
Sturmey Archer HSA316 Indicator chain 160 mm
in stock1-2 weekdays
Peatys x ChrisKing Tubeless Valve 42mm Navy
in stock1-2 weekdays
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Syncros Foam Grip Florida Red
Syncros
7,29 €
6,61 €
in stock1-2 weekdays
Maxxis Rekon EXO+ 29x2.60" MTB Folding Tire
in stock1-2 weekdays
Syncros Creston iC SL Aero 380mm 90mm integrated handlebar
Pre-order6-10 weekdays
Magura brake pads type 4.2
Magura
15,99 €
Pre-order6-10 weekdays
Bikone bearing kit steel for Sram Dub 30407-29
Pre-orderExpected 31/03/2026
Shimano 105 lock ring and spacer for cassette model CS-R7101-12 gear
in stock1-2 weekdays
Sram Force CX1 Mounting / B-tension Bolt
SRAM
19,49 €
Out of stockExpected 16/09/2026
Continental Competition Tubular 700x25C
in stock1-2 weekdays
Shimano SM-CRE80-12 Chainring 36T
in stock1-2 weekdays
Zipp Service Course SL 80 Ergo 440 mm. Black
Pre-orderExpected 27/03/2026
Con-tec service kit E for drop-a-Gogo
in stock1-2 weekdays
SRAM RED AXS E1 DUB crankset without chainrings 172,5 mm
in stock1-2 weekdays
Kryptonite New York 8,3 x 15,3 cm
Kryptonite
115,99 €
in stock1-2 weekdays
Crankbrothers Stamp Small black
Crankbrothers
134,99 €
in stock1-2 weekdays
Schwalbe Fat Frank tube wire tire 28x2.0 (50-622) black reflective
in stock1-2 weekdays
CeramicSpeed 61802 (6802) Bearing 15x24x5 mm 1 pc.
Pre-orderExpected 18/03/2026
Tube 2,00/2,25 x 16 (20 x 2)
Bike attitude
3,89 €
in stock1-2 weekdays
Pirelli P Zero Race TLR SL 700x26 Folding Tire
in stock1-2 weekdays
ODI AG2 Lock On Handle Black/Blue
in stock1-2 weekdays
2 Tire + 2 Tubes Continental Contact Plus 700x37C Refleks Dunlop Valve
Pre-orderExpected 20/03/2026
Herrmans Rim Tape 14 mm. 26"
Herrmans
1,49 €
in stock1-2 weekdays
LTWOO A11-X Crankset 1x11 32T 170mm
in stock1-2 weekdays
XLC end plugs for outer cable 5 mm red 10 pcs
in stock1-2 weekdays
Peatys x ChrisKing Tubeless Valve 42mm Rasta
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.