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PRO PLT Alu seatpost 31,6mm 400mm 20mm offset
Pre-orderExpected 24/03/2026
Bike Attitude Comfort MiniMa bicycle saddle for e-bikes grey
in stock1-2 weekdays
Sram pulley wheel XX1 12 speed
SRAM
59,99 €
in stock1-2 weekdays
Schwalbe Magic Mary 27,5 x 2.60" Super Trail Addix Soft
in stock1-2 weekdays
Kick Stand EDGE Black 18 mm 24"-29"
Pre-order3-6 weekdays
Promovec luggage carrier
Promovec
52,99 €
in stock1-2 weekdays
Syncros Tubeless Valves, 50 mm, Gold
in stock1-2 weekdays
Shimano spacer between sprockets 2,18 mm
in stock1-2 weekdays
DT Swiss thru axle 15 mm x 110 mm (Rock Shox RS-1)
Out of stockExpected 04/08/2026
Trivio Campagnolo Chainring 42T 135 MM
Pre-order6-10 weekdays
Union Geardrop GH-119
Union
9,29 €
in stock1-2 weekdays
Bullhorn handlebar for Fixie bicycles 40 cm 25,4 mm white
in stock1-2 weekdays
Challenge Baby Limus Tubeless Ready Vulcanized 700 x 33C black
in stock1-2 weekdays
Continental Magnotal trail soft folding tire MTB 29x2,60 (65-622) black
Pre-order5-10 weekdays
SRAM Brake Pads for Aluminum/Steel Wheels with House Smoke
in stock1-2 weekdays
Sram B-Tension Bolt eTap Rear Derailleur
in stock1-2 weekdays
Union Geardrop GH-133
Union
9,29 €
in stock1-2 weekdays
Shimano Dura Ace 9150 Di2 Switch Buttons
Pre-order10-14 weekdays
Magura MT5e Disc Brake for Electric Bikes
Pre-order6-10 weekdays
Shimano Deore M6100 Brake Lever Left
in stock1-2 weekdays
Avid MMX Clamp Black For Guide, DB5, Elixir 9/7/CR
in stock1-2 weekdays
MicroShift Advent 9-Speed 11-46
MicroSHIFT
35,99 €
in stock1-2 weekdays
Bosch lock ring for gears
Bosch
8,29 €
in stock1-2 weekdays
Peatys Holeshot Tubeless Plugger Kit Violet
in stock1-2 weekdays
ABUS Infinity Loop chain lock 140 cm Slow Green
in stock1-2 weekdays
Sram X01 Eagle 10-50 cassette XG-1295
in stock1-2 weekdays
Hutchinson Blackbird TLR folding tire road 700x30c tan
in stock1-2 weekdays
XLC Retro Luggage Rack Black
XLC
36,99 €
in stock1-2 weekdays
Union gearhanger type GH-021
Union
9,29 €
in stock1-2 weekdays
Handle rubber ST-R9120 Pair
Shimano
13,29 €
Pre-order10-14 weekdays
Kalloy adjustable stem 110mm silver
in stock1-2 weekdays
Silca Nastro Cuscino 2.5mm Handlebar Black
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.