Stems

Products in category: 34
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Stems

 

The stems are the so-called bicycle bridges. Their task is to connect the fork to the handlebars of the bicycle. Adjustable models allow the steering wheel to tilt in relation to the frame in such a way as to adjust the angle of inclination to the needs and riding style of the rider. In our store you will find bicycle stems sorted according to a specific type of bike. Check out models from Funn, Ns Bikes, Dartmoor, Cloud and Octane.

Author Stem ACO-ST-009 31.8
The stem is made of aluminum alloy 6061-T6. The steering wheel is screwed on with 4 screws. Mounted on a 1-1 / 8 "diameter fork shank (1" adapter included). Tilt angle: + -35 °. Length: 90, 110mm. Two versions: handlebar: 25.4mm and 31.8mm. Weight: 160 g (at 110mm). SPECIFICATION Brand: Author Black colour Handlebar clamp: 25.4, 31.8 mm Lengths: 90, 110 mm Weight 160 g (110 mm)
Price 18,66 EUR 16,79 EUR
Availability: Within 48 hours
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Verso Ahead Stem 1-1-8"x 25,4x100mm
Verso brand stem. It is made of high-strength and durable aluminum alloy in black matte. 100mm stem, attached to a fork with a diameter of 28.6 mm and a handlebar with a diameter of 25.4 mm. The bracket provides a very stable mounting of the handlebar, which translates into excellent control over the bike and its handling. SPECIFICATION Brand: Verso Black colour Material: aluminum Fork Mount Diameter: 1-1 / 8 inch Overall length: 100 mm Length from hole to hole: 80 mm Handlebar mounting diameter
Price 7,47 EUR 6,81 EUR
Availability: In Stock
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Kaiwei Adjustable Stem 22.2 - 90 / 180
KAIWEI brand stem. Very solid, durable, made of high-quality aluminum alloy. The maximum projection of this bicycle stem after assembly is 110mm and the arm length is 90mm. Enables setting with a negative or positive angle: -10 'to + 50'. The total height of the bracket is 180mm. The bridge is available in the following colors: black, silver. SPECIFICATION Brand: Kaiwei Color: black, silver Material: aluminum Diameter: 25.4mm Height: 180 mm The maximum projection of the bracket after assembly: 1
Price 9,43 EUR
Availability: In Stock
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Kaiwei Adjustable Ahead Stem 35 mm
KAIWEI brand stem. A bicycle stem made of aluminum alloy that guarantees high stiffness. It will ensure great control over the bike and allow individual adjustment to your own predispositions. It has an adjustable height L-90 / 40mm. It is a Ahead bracket, i.e. mounted directly on the fork tube with a diameter of 28.6mm. The diameter of the mount to the handlebars is 25.4mm. Enables setting with a negative or positive angle: -10 'to + 50'. The KAIWEI bracket is suitable for MTB, city and trekkin
Price 8,77 EUR
Availability: In Stock
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Kaiwei Ahead Stem 1-1-8"x 25,4x80 mm
Verso brand stem. Made of high-strength and durable aluminum alloy in black matt color. 80mm stem attached to a 28.6mm fork and 25.4mm diameter handlebars. The bracket provides a very stable mounting of the handlebar, which translates into excellent control over the bike and its handling. SPECIFICATION Brand: Verso Black colour Material: aluminum Diameter: 25.4 mm Arm length: 80 mm Length from hole to hole: 60 mm Overall length: 125 mm
Price 7,47 EUR
Availability: In Stock
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TKX FK-263 Ahead Stem 1-1/8"
TKX FK-263 brand stem. A very high-quality bicycle stem that guarantees a stable and secure AHEAD mount to the handlebar with a diameter of 31.8mm. It has an angle adjustment of +/- 7 ° and a length of 55 mm, 70 mm, 90 mm, 100 mm, 110 mm, thanks to which it ensures the appropriate posture of a cyclist tailored to his individual predisposition. The TKX FK-263 bracket has an interesting and original look. It is black in color with a red and white manufacturer's logo. The bridge is available in the
Price 15,16 EUR 12,97 EUR
Availability: In Stock
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Dartmoor Rage v.3 Stem 31.8 mm
Third version of our direct mount Rage stem comes in two bar bore sizes: 31.8mm. Thanks to the semi-integrated front plate style we were even able to save some weight, whilst still keeping the construction strong! Rage v.3 stem comes with beautiful combination of matt anodized colors with glossy stickers. Bridge available in colors: Black SPECIFICATION Brand: Dartmoor Black colour Diameter: 31.8 mm Length: 45 / 50mm Weight: 129 g
Price 50,33 EUR 47,80 EUR
Availability: Unavailable
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Dartmoor Shorty Stem 35 mm
Available in 31.8mm and 35mm bar bore size the Shorty stem is our stem designed for Enduro, All Mountain and Downhill riders. As the fashion for longer, slacker bikes with wider and wider bars has emerged the need for shorter stems to maintain steering compliance. Shorty is also one of these parts that will add a unique style to your bike thanks to the special semi-integrated front plate construction. SPECIFICATION Brand: Dartmoor Black colour Diameter: 35 mm Length: 32mm Weight: 125 g
Price 95,60 EUR 90,76 EUR
Availability: Within 48 hours
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Dartmoor Rage v.3 Stem 35 mm
Third version of our direct mount Rage stem comes in two bar bore sizes: 31.8mm and 35mm. Thanks to the semi-integrated front plate style we were even able to save some weight, whilst still keeping the construction strong! Rage v.3 stem comes with beautiful combination of matt anodized colors with glossy stickers. Stem is available in the following colors: Black, turquoise SPECIFICATION Brand: Dartmoor Color: black, turquoise Diameter: 35 mm Length: 45 / 50mm Weight: 129 g
Price 50,33 EUR 47,80 EUR
Availability: Unavailable
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M8 screws for Dartmoor Reflect stem
M8 hollow bolt set for Reflect bridge - 6 bolts, black. SPECIFICATION Brand: Dartmoor Black colour Size: M8 Included quantity: 6
Price 6,57 EUR 6,24 EUR
Availability: In Stock
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M6 screws for Dartmoor Funky 31,8mm stem
Funky 31.8mm bridge screw set M6 - 6 bolts, black. SPECIFICATION Brand: Dartmoor Black colour Size: M6 Included quantity: 6
Price 3,93 EUR 3,52 EUR
Availability: Within 48 hours
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Dartmoor Rage v.3/Rage v.2 stem spacers
Set of shims adjusting the extension of the Rage v.3 / Rage v.2 bridge, 4 pcs. SPECIFICATION Brand: Dartmoor Black colour Included quantity: 4
Price 6,13 EUR 5,49 EUR
Availability: Within 48 hours
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Dartmoor Trail v.2 Stem
With our experience in designing some of the most reliable stems for the hardcore users, we made something that suits those who are still in the gravity family but prefer endurance type of riding. Our aim was to offer a light but stiff stem so we went for an octagonal shape both on the inside and outside curves. It’s what makes Trail stiffer than a regular stem, while looking like no other. Designed for 31.8mm bars and coming in two extension sizes: 50mm and 65mm. This stem will perfectly suit y
Price 34,94 EUR 33,18 EUR
Availability: Within 48 hours
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Author Stem ACO-S Respect X7
The stem is made of aluminum alloy 6061-T6. The steering wheel is screwed on with 4 screws. Mounted on the shank of a 1-1 / 8 ”diameter fork. Tilt angle: + 7 °. Handlebar: 31.8 mm. Weight: 125 g (100 mm). Black colour. SPECIFICATION Brand: Author Black colour Handlebar clamp: 31.8 mm Lengths: 80, 100, 110 mm Weight 125 g (100 mm)
Price 21,08 EUR 18,97 EUR
Availability: Unavailable
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Dartmoor Shorty Stem 31.8 mm
Available in 31.8mm and 35mm bar bore size the Shorty stem is our stem designed for Enduro, All Mountain and Downhill riders. As the fashion for longer, slacker bikes with wider and wider bars has emerged the need for shorter stems to maintain steering compliance. Shorty is also one of these parts that will add a unique style to your bike thanks to the special semi-integrated front plate construction. Stem available in colors: black, turquoise, red, petrol SPECIFICATION Brand: Dartmoor Color: bl
Price 85,49 EUR 76,92 EUR
Availability: Unavailable
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Dartmoor Fury v.3 Stem 31,8 mm
Fury stem is used for all kinds of gravity riding from Dirt Jumping to heavy Freeride. Fury is one of the best do it all stems in our product range! Investing in cold forged technology made it to be not only stronger but also a lot more affordable than before! Fury v.3 is a direct continuation of Fury v.2 stem with totally new graphics printed on the stem. For 2018 this stem comes in a wide range of 5 anodized color options. The bracket is available in the following colors: turquoise, red, green
Price 38,46 EUR 36,48 EUR
Availability: Within 48 hours
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M6 screws for Dartmoor Funky 25,4mm stem
M6 screw kit for Funky 25.4mm bridge - 6 bolts, black. SPECIFICATION Brand: Dartmoor Black colour Size: M6 Included quantity: 6
Price 3,93 EUR
Availability: In Stock
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Dartmoor Rage v.2 Stem
2nd generation of our downhill stem designed for dual crown forks comes with adjustable extension and re-designed body. This direct mount stem is made of cold forged and CNC machined 7075 aluminium. We added here a special washers securing the stem against changing its position when hitting the ground strongly. The bridge is available in the following colors: red, orange SPECIFICATION Brand: Dartmoor Color: red, orange Diameter: 31.8 mm Length: 45 / 50mm Weight: 142 g
Price 41,54 EUR 39,45 EUR
Availability: Unavailable
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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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