Bicycle hubs

Products in category: 19
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Front hub XMX A201F
High quality XMX front hub. It is made of light and durable aluminum. The XMX A201F hub is available in black and silver. It has 36 holes for spokes and ball bearings. The axle length is 140mm, made of Cr-Mo steel. The hub has bolts and lock nuts. The hub has one of the universal dimensions, therefore it fits most types of bikes. SPECIFICATION Brand: XMX Color: Black / Silver Material: aluminum Bearings: ball bearings Purpose: MTB, trekking Number of spokes: 36 Size: 10x140 mm
Price 4,25 EUR
Availability: In Stock
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Front hub XMX A201F-M
XMX brand front bicycle hub. Very durable, resistant to overload and functional. It is made of high-quality, light and durable aluminum. The axle is made of Cr-Mo steel, 140mm long. The XMX A201-F hub is fitted with bolts and lock nuts. The hub has 36 holes for spokes and sealed bearings. It is one of the universal sizes and therefore fits most types of bicycles. SPECIFICATION Brand: XMX Silver color Material: aluminum Bearings: machine bearings Purpose: MTB, trekking Number of spokes: 36 Size:
Price 5,37 EUR
Availability: In Stock
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Front hub XMX A201F-M QR
XMX brand front bicycle hub. Very durable, resistant to harmful factors and functional. It has an axle made of Cr-Mo steel, 108mm long and a QR lock (quick-lock). The body is made of light and durable aluminum in black. XMX A201f-M QR hub has 36 holes for spokes and sealed bearings. The hub is suitable for MTB and trekking bikes. SPECIFICATION Brand: XMX Black colour Material: aluminum Bearings: machine bearings Purpose: MTB, trekking Number of spokes: 36 Dimension: 10x140 mm QR
Price 6,49 EUR
Availability: In Stock
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Front hub XMX A281QF QR
XMX brand front bicycle hub. The body is made of durable and resistant to harmful factors aluminum. The XMX A281QF hub is available in two colors: black and silver. The hub has 36 spoke holes. The hub axle is made of Cr-Mo steel, 108mm long. It has a QR type closure (quick-closure). It is equipped with machine bearings, additionally sealed. The hub fits most types of bicycles due to standardized dimensions. SPECIFICATION Brand: XMX Color: Black / Silver Material: aluminum Bearings: machine beari
Price 8,72 EUR
Availability: In Stock
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Front hub XMX A282QF QR
XMX brand front bicycle hub. The high-quality, functional hub is made of highly durable aluminum. The XMX A282QF hub has 36 spoke holes and the highest quality sealed bearings. The hub axle is made of Cr-Mo steel. Its length is 108mm, and the fastening is with a QR lock (quick-closing). The hub is compatible with brake discs. Thanks to the standardized parameters, the hub is suitable for various types of bikes. SPECIFICATION Brand: XMX Black colour Material: aluminum Bearings: machine bearings P
Price 13,87 EUR
Availability: In Stock
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Front hub XMX A291QF QR
XMX brand front bicycle hub. It is made of good quality, lightweight black aluminum. The axle is made of Cr-Mo steel, 108mm long. The XMX A291QF hub is very durable and functional, compatible with disc brakes. It has machine bearings, 32/36 spoke holes, and a quick-clamp. It is one of the universal sizes and therefore fits most types of bicycles. SPECIFICATION Brand: XMX Black colour Material: aluminum Bearings: machine bearings Purpose: MTB, trekking Number of spokes: 32/36 Dimension: 10x108 mm
Price 21,25 EUR
Availability: In Stock
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Front hub XMX FR-03F
XMX brand front bicycle hub. High-quality hub resistant to overload and harmful factors. The XMX FR-03F hub is made of durable and durable steel. It has an axle with a length of 93mm, with screw mounting and locking nuts. The hub is equipped with ball bearings. It is dedicated to 28-spoke wheels. It is available in CP-chrome color. SPECIFICATION Brand: XMX Silver color Material: steel Bearings: ball bearings Purpose: children's bikes, prams Number of spokes: 28 Dimension: 10x93 mm
Price 2,01 EUR
Availability: In Stock
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Front hub XMX FR-04F
XMX brand front bicycle hub. The XMX FR-04F hub has high-quality ball bearings and 36 spoke holes. It is made of steel in CP-chrome color. Equipped with a 140mm long axle and bolt fastening with lock nuts. The hub has one of the most standard parameters, which makes it compatible with most types of bicycles. SPECIFICATION Brand: XMX Silver color Material: steel Bearings: ball bearings Purpose: MTB, trekking Number of spokes: 36 Size: 10x140 mm
Price 2,01 EUR
Availability: In Stock
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Front hub XMX FR-05F
XMX brand front bicycle hub. The XMX FR-05F hub is made of very durable CP-Chrome steel. The hub is available in two versions, designed for 20/16-spoke wheels. It is equipped with an axle with a length of 83mm and a bolt mount with lock nuts. It has durable ball bearings. SPECIFICATION Brand: XMX Silver color Material: steel Bearings: ball bearings Purpose: Children's bicycles, prams Number of spokes: 20/16 Dimension: 10x83 mm
Price 2,01 EUR
Availability: In Stock
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Front hub XMX QS-402 QR
XMX brand front bicycle hub. It is made of high-quality silver aluminum alloy. It has 36 holes for spokes and a QR quick-lock. Axle made of steel, 108mm long. XMX QS-402 hub is compatible with brake discs mounted with 6 bolts. Suitable for MTB and trekking bikes. SPECIFICATION Brand: XMX Silver color Material: aluminum Bearings: ball bearings Purpose: MTB, trekking Number of spokes: 36 Dimension: 10x108 mm Weight: 318 g
Price 2,89 EUR
Availability: In Stock
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Front hub XMX QS-405 QR
High quality XMX front bicycle hub. It has machine bearings and is suitable for 36 spoked wheels. XMX QS-405 hub is made of a durable aluminum alloy in black. Equipped with quick-clamp QR. The hub axle is made of steel. SPECIFICATION Brand: XMX Black colour Material: aluminum Bearings: machine bearings Purpose: MTB, trekking Number of spokes: 36 Dimension: 10x108mm QR
Price 4,90 EUR
Availability: In Stock
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Front hub XMX SF-B07 QR
High quality XMX aluminum bicycle hub. Suitable for 36-spoke wheels. The XMX SF-B07 hub has a black body and a steel axle with a quick-release lock. It is equipped with machine bearings. The hub is available in two axle sizes: 10x108 mm and 10x140 mm. The hub is compatible with a disc brake, suitable for MTB and trekking bikes. SPECIFICATION Brand: XMX Black colour Material: aluminum Bearings: machine bearings Purpose: MTB, trekking Number of spokes: 36 Dimension: 10x108mm QR / 10x140mm QR
Price 10,27 EUR
Availability: In Stock
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BIKE PARTS FOR EVERY RIDER

Rojax is a bicycle parts store for a wide variety of cyclists. The necessary parts will be found here by people who service or overhaul their bike and need basic spare parts. Advanced bikers also have an equally large selection, who care about the quality and durability of their equipment at the highest level. The advantage of buying bicycle parts in the online store is also the ability to find the necessary spare parts in various price categories.

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The offer includes, among others shock absorbers for MTB and trekking bikes, bicycle brakes, chains, handlebars, gears and shifting levers, cranks and bottom brackets, pedals, bicycle hubs, wheels, tires, bicycle tubes, as well as bicycle frames and forks, and many other parts for various types of bicycles.

In our online store you will find a number of parts for road, mountain, city and trekking bikes. Depending on the selected category, you can filter the results based on prices, brands and the availability of a given part in our warehouse.

Keeping bicycle parts in good condition allows you to ride safely and trouble-free. Some of them may need to be replaced with new ones after some time. It is worth taking care of them to be able to enjoy a comfortable ride all the time.

BIKE BRAKES

Bicycle brakes are one of the most important parts of a bicycle. The choice of brakes usually depends on their intended use. So the type of bike you have and the type of ride you prefer is important. The condition of the brake pads or discs should be checked on a regular basis in order to replace them with new ones at the right time.

The most popular types of bicycle brakes

  • V-brakes
  • This is the most common, universal solution for mountain, trekking and city bikes. The brake looks like the letter V - hence its name. It consists of two arms mounted on opposite sides of the fork. Both elements press the brake pads against the rim when the brake lever is pressed, causing braking. The main advantage of V-brake brakes is their braking power and the ease of repairing or replacing brake pads. It is worth knowing that due to the way they work (rubbing against the rim), they are easy to get dirty with e.g. mud or water, which affects their effectiveness.

  • Dual-Pivot Brakes
  • The method of operation and advantages of this type of brakes are similar to those in V-brake brakes - the brake pads rub against the wheel rim. The difference is their construction, which results in a lower braking force as opposed to the popular Vs. This solution is used in road bikes due to the possibility of grading the braking force and low weight. However, it may be difficult to repair them yourself.

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  • U-brakes
  • U-brakes, similarly to V-brakes, owe their name to the shape that resembles the inverted letter U. This is a model of brakes that are currently used in BMX bikes, but they are less and less common due to the greater effectiveness of newer type brakes.

  • Cantilever brakes
  • Once very popular, today less and less used. Cantilever brakes consist of two arms connected by a steel cable to which a second tensioning cable is attached. This solution is currently used in cross-country bikes. Their advantage is low price and simple construction, and the biggest disadvantage is lower braking force and poor resistance to difficult weather conditions.

  • Disc brakes
  • Unlike the rim brakes described above, the disc brakes are mounted on the wheel hub. Their operation is based on the pressure exerted by the caliper with brake pads on the wheel disc. There are two types of disc brakes on the market: mechanical and hydraulic. They differ in the way their pressure is triggered. The first one acts on the steel brake cable, while in the case of hydraulic brakes, the brake fluid is responsible for braking. The main advantage of both types of disc brakes is very good braking power and resistance to difficult weather conditions. These brakes also allow modulating the braking force and do not contribute to the wear of the wheel rim. However, their disadvantage may be the high price and the complicated method of repair.

  • Torpedo brakes
  • The brake systems in the pedals (the so-called torpedo brakes) enable classic braking by turning the pedals backwards. Torpedo brakes are most often found on bikes without gears, e.g. for children or city bikes. This is an older type of brake that is not the most effective due to its moderate braking force. Its advantage is simplicity and resistance to weather conditions, but the main disadvantage is that it stops working if the bicycle chain breaks.

    In our store you can find brake discs, calipers and pads for any type of brake.

    BIKE WHEELS AND TIRES

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    Ride comfort depends to a large extent on the quality of wheels, tires and rims. The basic issue is their selection to the type of bike and the conditions, in Englishwhich we travel the most. Our bicycle parts store supplies every cyclist. All products in this category can be adjusted depending on the chosen field of cycling.

    CYCLING WHEELS

    A bicycle handlebar is the main steering component of a bicycle. Make sure that it is suited not only to your bike, but also to the riding style you prefer. In our offer you will also find other parts of the steering system, such as grips and stems as well as rudders. You can adjust each of them to any mountain bike, city bike, road bike, etc.

    CYCLING SADDLES

    They are responsible for the comfort on the bike, and the well-chosen ones enable even the longest ride without any ailments - bicycle saddles. Their choice depends largely on the gender of the rider. Women's models differ from men's saddles due to a different body structure. It is also important to adjust them to the riding style - a different saddle will be chosen by beginners, other professional athletes. In addition to bicycle saddles, we also offer seat supports (seat posts).

    BIKE SHOCK ABSORBERS

    Bicycle shock absorbers make it easier to ride a bike, especially if we often travel routes bristling with unevenness. We enable you to choose among mountain and trekking shock absorbers that can cope with even the biggest shocks while riding off-road.

    BIKE CHAINS

    The bicycle chain is one of the main components of a bicycle drivetrain. It is thanks to him that we are able to set our two wheels in motion. It is also one of the bicycle parts that wears the fastest. Therefore, it is worth equipping yourself with a new chain that will save us in the event of an unforeseen breakdown or breakage. For those looking for other bicycle parts, we have also prepared chain tensioners, pedals and various types of sprockets and cassettes.

    We take care of a wide range in our online bicycle store, so you will find here all the necessary elements for your two-wheeler - from basic bicycle parts to bolts and accessories.

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