Derailleurs

Products in category: 38
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Bicycle gears

 

Bicycle derailleurs are an essential part of a bike's drivetrain, which allows you to change the gear ratios depending on the type of terrain you are traveling on. Efficient shifting affects driving comfort in various conditions. In our store you will find both front and rear gears for your bike, as well as accessories and lever levers. Choose them from Shimano and SRAM products.

Shimano ST-EF41 Shift / Brake Lever - Left 3b
SHIMANO ST-EF41 gear lever. Pull cable with SHIMANO 2: 1 system, not compatible with SRAM 1: 1 derailleurs SPECIFICATION Brand: Shimano Model: ST-EF41 Group: Tourney Black colour Number of gears: 3
Price 13,02 EUR
Availability: In Stock
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Verso 2100 mm shift cable
High-quality universal bicycle gear cable with a length of 2100mm and a diameter of 1.2mm. It is finished with a 4.5x4.5mm head. The cable is made of very durable and durable galvanized steel, which ensures excellent operation of the cable, but also exceptional precision and smoothness of the entire gear shifting system in the bike. It guarantees a long service life and high resistance to unfavorable weather conditions. The rope can be used for most types of bicycles, e.g. mountain or road bikes
Price 0,66 EUR
Availability: In Stock
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Shimano Acera SGS RD-M360 rear derailleur - silver
The SHIMANO ACERA M360 7-8-speed rear derailleur features Wide Link construction for increased stiffness and precise shifting. SPECIFICATION Brand: Shimano Model: SGS RD-M360 Group: Acera Color: silver-black Designed for MTB / trekking Total Capacity: 43T Cooperation with RapidFire and Revo shift shifters Number of gears: 5/6/7/8 gears Long carriage version (SGS) Material: aluminum + steel Weight: 329g
Price 28,47 EUR
Availability: In Stock
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Shimano Tourney RD-TX800SGS rear derailleur
High-quality Shimano 8-speed derailleur, compatible with the SIS INDEX 8-speed gear index system. Reliable and light shifting ensures a stress-free ride. Very easy to assemble. The shifting cable can be easily installed using an Allen bolt. Shimano Tourney RD-TX800SGS is equipped with a guide wheel with 13 teeth. The total capacity of the derailleur is 43T. SPECIFICATION Brand: Shimano Model: RD-TX800SGS Group: Tourney Black colour Gear ratios: 7/8 Rear Derailleur Type: Top-Normal Derailleur car
Price 21,85 EUR
Availability: In Stock
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Shimano Tourney FD-TZ500 DS Down front derailleur
High-quality Shimano derailleur. SPECIFICATION Brand: Shimano Model: FD-TZ500 DS Down Group: Tourney Black colour Derailleur capacity: 18T Mounting type: Clamp 31.8mm Swing Type: Down Swing System type: Mechanical Largest front mode: 42T Gear ratio front: 3x Compatible chain: HG-UG 7/6-speed Adapter type: 31.8mm Rear gears: 7/6 Groupset: Shimano Tourney Number of gears: 3-speed Cable routing type: Down-Pull exclusive
Price 8,61 EUR
Availability: In Stock
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Shimano Acera SGS RD-M360 rear derailleur - black
7-8 speed rear derailleur. SPECIFICATION Brand: Shimano Model: SGS RD-M360 Group: Acera Color: Black-Silver Designed for MTB / trekking Total Capacity: 43T Cooperation with RapidFire and Revo shift shifters Number of gears: 5/6/7/8 gears Long carriage version (SGS) Material: aluminum + steel Weight: 329g
Price 28,47 EUR
Availability: In Stock
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Shimano Revoshift SL-RS35 7b shifter
The SHIMANO REVO SHIFT RS35 rotary lever mounts to the right side of the handlebar and supports the 7-speed cranks. REVOSHIFT: Easy to use, rotary levers that require the use of a thumb and index finger. Simple and cheap Revoshift models are recommended mainly for beginners and not advanced cyclists. Very light operation and easy handling make it also a great choice for the youngest cyclists. The shifter works only with traditional external gears - freewheels and cassettes (they are not compatib
Price 9,71 EUR
Availability: In Stock
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Shimano ST-EF500 Shift / Brake Lever - Left 3b
The gear lever is a solution that combines the brake shoes with the gear shift lever into one unit. Thanks to this, by using one clamp, we gain more space on the steering wheel and save weight. SHIMANO STEF500 shifting / brake lever works with all 3-speed gears and cranks. types of mechanical brakes (disc, V-brakes, Cantilever, U-brakes, roller brakes). Due to the low price, durability and good quality, the EZ-Fire type lever levers are perfect for amateur use in all cycling disciplines (they do
Price 17,43 EUR
Availability: In Stock
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Shimano ST-EF500 Shift/Brake Lever - right 7b
The gear lever is a solution that combines the brake shoes with the gear shift lever into one unit. Thanks to this, by using one clamp, we gain more space on the steering wheel and save weight. SHIMANO STEF500 shifting / brake lever works with all 7-speed gears and cranks. types of mechanical brakes (disc, V-brakes, Cantilever, U-brakes, roller brakes). Due to the low price, durability and good quality, the EZ-Fire type lever levers are perfect for amateur use in all cycling disciplines (they do
Price 17,43 EUR
Availability: In Stock
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Shimano Acera STM-310 Shift/Brake Lever - left 3b
The gear lever is a solution that combines the brake shoes with the gear shift lever into one unit. Thanks to this, by using one clamp, we gain more space on the steering wheel and save weight. A gear lever designed for V-brake brakes. SPECIFICATION Brand: Shimano Model: Acera STM-310 Black colour Number of gears: 3 speed The diameter of the mount on the handlebar: 22.2 mm Material: steel / aluminum / plastic
Price 21,85 EUR
Availability: In Stock
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Shimano Tourney RD-TY21SSB rear derailleur
Rear derailleur 6-7-speed rear SIS indexed shifting SPECIFICATION Brand: Shimano Model: RD-TY21SSB Group: Tourney Silver color Hook version with adapter Dual voltage design Guide wheel 11T: longer service life and quieter operation Total Capacity: 28T (SS)
Price 12,14 EUR
Availability: In Stock
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Shimano Tourney FD-TZ510 3B front derailleur
High-quality Shimano derailleur. The Shimano Tourney FD-TZ510 front derailleur is compatible with 3x6 speed drivetrains and 48-38-28T chainrings. SPECIFICATION Brand: Shimano Model: FD-TZ510 Group: Tourney Black colour Version: Down swing Purpose: MTB For drives: 7/6-speed Number of front gears: 3 Installation of the front derailleur: 31.8mm clamp Compatible chain: HG-UG 7/6-speed Cable routing: top string Frame angle: 66-69 Number of teeth of largest chainring: 48T Total capacity: 20T Chain lin
Price 8,61 EUR
Availability: In Stock
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BIKE PARTS FOR EVERY CYCLIST

Rojax bike store with parts for various types of cyclists. The necessary parts are available for individuals who repair or service their bicycles and need the required basic spare parts. Equally broad range of products is provided for professional bikers who care about the quality and durability of their top-notch equipment. The advantage of purchasing of bicycle parts in this on-line shop is also a possibility to find the necessary spare parts in different price categories.

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The range includes, but is not limited to, MTB and trekking bike dampers, bike brakes, chains, handlebars, derailleurs and pulleys, cranks and bottom brackets, pedals, hubs, wheels, tyres, tubes, frames and forks and many other bicycle parts.

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

Keeping the bicycle parts in good condition allows for safe and failure-free ride. After a longer period of time some of them may need to be replaced with new ones. It is worth taking care of them to be able to enjoy a comfortable ride all the time.

BICYCLE BRAKES

Bicycle brakes are one of the most important bike components. The selection of the brakes is usually dependent on their intended use. What is important is the type of bicycle you have and the nature of the ride you prefer. Check the wear of brake pads or discs on a regular basis to replace them with new ones at the right time.

The most common types of bicycle brakes

  • V-brakes
  • It is the most common and versatile solution for mountain, trekking and city bikes. The V-brake resembles the letter "V" – this is where its name have come from. It is designed of two arms mounted on opposite sides of a fork. When the brake lever is pushed, the brake pads are pressed against the rim, causing braking. The basic advantage of the V-brakes is their braking force and the ease of repair or replacement of brake pads. It is important to know that because of their function (friction against the rim) they are prone to become dirty e.g. with mud or water, which affects their performance.

  • Dual-Pivot brakes
  • The principles of operation and the advantages of such brakes are similar to the V-brakes – the brake pads are rubbed against the wheel rim. The only difference is their design which causes the braking force to be lower than in the V-brakes. This solution is used in road bikes due to the possibility of gradual adjustment of braking force and low weight. Their self-repair may, however, be difficult.

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  • U-brakes
  • As in the case of the V-brakes, the U-brakes owe their name to the shape which resembles an inverted letter “U”. This is a model currently used in BMX bikes, but it is less and less common due to increasingly higher performance of newer brakes.

  • Cantilever brakes
  • Used to be very popular, they are becoming less popular today. The cantilever brakes consist of two arms connected with a steel wire to which the other strain wire is attached. The solution is currently used in cross-country bicycles. Their advantage is low price and simple design, while their most important flaw is lower braking force and poor resistance to harsh weather conditions.

  • Disc brakes
  • Unlike the above-mentioned shoe brakes, disc brakes are mounted on the hub of the wheel. Their operation is based on the pressure inflicted by the clamp with the brake pads on the wheel disc. There are two types of disc brakes available on the market: mechanical and hydraulic brakes. They differ in the way their pressure is initiated. The first one works on the basis of a steel brake wire, while in the case of hydraulic brakes braking fluid is responsible for braking. The main advantage of both types of disc brakes is very good braking force and resistance to unfavourable weather conditions. The brakes also allow the braking force to be adjusted and do not contribute to the wear of the wheel rim. Their disadvantage may be high price and complex repair.

  • Coaster brakes
  • The system of brakes in the pedals (the so-called coaster brakes) enable classic braking by rotating the pedals in reverse. The coaster brakes are most commonly used in bikes without derailleurs, such as in kids’ or city bikes. This is an older type of brakes that is rather ineffective because of average braking force. Its advantage is the simplicity and resistance to weather conditions, but the main disadvantage is that they stop operating in the event of chain breakage.

    Our store offers brake discs, clamps and shoes for any type of brakes.

    WHEELS AND TYRES

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    The cyclist's riding comfort depends on the quality of wheels, tyres and rims. The basic issue is their selection according to the bicycle type and the conditions in which you most often ride. Our bicycle store supplies all cyclists. All products in this category can be adjusted depending on the selected cycling discipline.

    HANDLEBARS

    The bicycle handlebar is a key component of the bicycle steering system. Make sure it not only fits to your bike, but also matches your preferred riding style. In our offer you will also find other parts of the steering system, such as handlebar grips and brackets as well as headset. You will match each of them to any mountain, city, road and any other bike.

    SADDLES

    They are responsible for riding comfort, and the ones that are well selected enable even the longest ride to be covered without any troubles – saddles. Their choice depends largely on the sex of the cyclist. Women's models differ from men's saddles due to the different human body type. It is also important to adapt them to the riding style – one saddle will be chosen by a beginner, and another by a professional athlete. In addition to bicycle saddles, we also offer seatposts.

    DAMPERS

    Bicycle dampers make it easier to ride a bike, especially if you often beat routes abundant with obstacles. We make it possible for you to choose from among the dampers for mountain and trekking bikes which can handle even the biggest shocks when riding in the field.

    CHAINS

    A bicycle chain is one of the main components of the bicycle drive system. The system is the reason you are able to set the bike in motion. It is also one of the parts that gets worn in the first place. This is why it is worthwhile to buy a new chain that will save you in the event of an unforeseen failure or a breakage. For those looking for other bicycle parts, we have also prepared chain tensioners, pedals and various types of sprockets and cassettes.

    We care for a wide range of products in our on-line shop where you will find all the necessary components for your two-wheeler – from basic parts to screws and accessories.

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