
Best selling Stems
Here you’ll find the best-selling products in the Stems category. The ranking is primarily based on sales volume, while also taking factors such as availability, price trends, and overall customer relevance into account. For each product, we provide a short description and the most important insights from customer reviews so you can quickly compare the most popular options. This page always stays fresh and updates automatically.
1. Humpert SL 6
The SL 6 headset from Humpert is a versatile A-Head adapter designed for a variety of applications in bicycle construction. Made from high-quality aluminum, this adapter provides a robust and durable solution for connecting the fork and stem. With a fork steerer diameter of 1 1/8" (30 mm) and an upper steerer diameter of 1 1/4" (31.8 mm), the SL 6 is suitable for different types of bicycles. The adjustable height of 56 to 76 mm allows for customization to meet the rider's needs, enhancing comfort and ergonomics while riding. Weighing only 210 grams, the SL 6 is lightweight and does not unnecessarily add to the overall weight of the bike. This headset is ideal for those who value quality and adaptability.
- Adjustable height of 56 to 76 mm for individual customization
- Made from lightweight and durable aluminum
- Compatible with steerer diameters of 1 1/8" and 1 1/4".

2. Paul Component Engineering Paul Component Boxcar stem, 22.2mm, 35mm, 0°, black

Paul Component Engineering Paul Component Boxcar stem, 22.2mm, 35mm, 0°, black
35 mm, 22.20 mm
3. PRO Bike Gear Koryak
The PRO Koryak stem has been designed to provide you with a better sports cycling experience. It features a strong yet lightweight 3D-forged AL 7075 alloy construction, making it ideal for all-mountain, trail, and cross-country mountain biking. It is available in 35, 40, 50, and 60-millimeter versions, with a choice of -17 or ±6 degrees of angle. The stem offers Shimano Di2 integration and weighs 137 grams in the shortest version.
Details:
- Cross-country/all-mountain stem
- HEADLOC system for a stiff and durable handlebar clamp
- 3D-forged aluminum for optimal stiffness
- Compatible with Shimano Di2
- Internal cable routing
Material details:
- Aluminum AL-7050
- Handlebar clamp: 31.8 mm
- Fork steerer diameter: 1 1/8 inch
- Angle: 6°
- Material type: Aluminum
- Purpose: MTB stem
- Design: Ahead.

4. Humpert Ergotec Octopus 2
The adjustable Ergotec Octopus 2 A-Head stem 75 mm 1-1/8 31.8 -10/60º is a versatile and high-quality choice for cyclists of all skill levels. It is manufactured by Ergotec, a brand known for its reliable and high-performance products. This stem is designed for use with handlebars that have a diameter of 31.8 mm and features a 1-1/8" steerer tube, making it compatible with a wide range of bicycles. With a length of 75 mm, it offers a more comfortable riding position tailored to your body shape. The Ergotec Octopus 2 A-Head stem is adjustable from -10° to 60°, allowing you to customize the angle and height of your cockpit. This way, you can find the ideal position for your comfort and performance. Made from aluminum, this stem is lightweight and durable, ensuring long-lasting use. Its sleek design complements any bike style. Whether you are a casual rider or a serious competitor, the adjustable Ergotec Octopus 2 A-Head stem 75 mm 1-1/8 31.8 -10/60º is an excellent choice to enhance your cycling experience. Order yours today and discover all the benefits it can bring to your riding performance.

5. XLC ST-T02
The XLC ST-T02 stem is a high-quality product specifically designed for bicycles with a 1" fork steerer. Made from durable aluminum, this stem offers a combination of lightness and stability that enhances ride control. With a diameter of 22.2 mm and a length of 120 mm, the ST-T02 is ideal for cyclists seeking precise handling and a comfortable seating position. The stem is also adjustable, allowing for a personalized fit to individual preferences. With a 60-degree angle, it contributes to ergonomics and riding comfort, while its weight of 320 grams ensures an optimal balance between stability and lightness. Made in France, the XLC ST-T02 stem combines quality and functionality for discerning cyclists.
- Adjustable stem for personalized fit
- 60-degree stem angle for ergonomic seating position
- Made from lightweight and durable aluminum
- Suitable for 1" fork steerer with a diameter of 22.2 mm.

6. XLC Comp ST-T13 stem Ø 31.8 mm
XLC offers the Comp ST-T13, an affordable, adjustable-angle stem. It fits fork shafts with a diameter of 1 1/8 inches and is secured with a solid 2-bolt clamp. The aluminum stem can be adjusted between 0° and 90°, allowing for positioning to suit any preference.
• Material: Aluminum
• Length: 110 mm
• Material Details: 3D forged aluminum
• Handlebar Clamp: 31.8 mm
• Fork Shaft Diameter: 1 1/8 inches
• Intended Use: City / Commuting
• Angle: 0-90°
• Weight: 268 g
• Design: Ahead.

7. Race Face Turbine R
Race Face has taken its super popular Turbine 35mm stem and further improved it to handle the toughest aggressive all mountain riding, combined with an update to 0 degree sizing for optimal fit and performance. This stem sets the new standard in weight and strength. - Purpose: MTB - Material type: aluminium - Details: - Weight: 138g ( 50 mm ) - Reinforced stability with excellent weight - 4-bolt handlebar clamp - Material details: 7075 aluminium - Handlebar clamp (mm): 35 mm - Fork steerer diameter: 1 1/8 inch Stem - Construction: Ahead.

8. Schulz Twist SDS
The Twist SDS stem from Schulz is an innovative solution for e-bikes that combines functionality and user-friendliness. With a length of 105 mm and a stem angle of 8 degrees, this stem offers optimal positioning for a comfortable riding posture. The Twist SDS is made from high-quality, 3D forged aluminum and features a black anodized finish that is not only aesthetically pleasing but also provides additional protection. A standout feature of this stem is the quick and tool-free Twist function, which allows for easy adjustment of the handlebar height. This is particularly advantageous for cyclists who frequently want to change their position. The stem is equipped with an SDS front cap that enables the use of SDS left adapters, enhancing the versatility of the product. Weighing only 275 g, the Twist SDS is a lightweight yet robust choice for e-bikes.
- Quick and tool-free Twist function for handlebar height adjustment
- Suitable for e-bikes with SDS front cap for adapters
- Made from 3D forged aluminum for high stability
- Black anodized surface for additional protection and appealing design.

9. Humpert BASS SL 6+
The BASS SL 6+ stem from Humpert is a high-quality component specifically designed for mountain bikes and city bikes. Made from durable aluminum 6061 T6, this stem offers a combination of stability and low weight, making it ideal for demanding riding conditions. With a length of 55 mm and a diameter of 31.8 mm, the stem ensures optimal handling and control. The adjustable angle of 45 degrees allows for individual customization of the riding position, enhancing comfort during rides. The BASS SL 6+ is also suitable for e-bikes and meets safety standards according to the Ergotec Safety Level table. The black, sandblasted surface not only gives the stem an appealing look but also protects against external influences. Weighing only about 130 g, this stem is a lightweight yet powerful choice for cyclists who value quality and functionality.
- E-bike compatible according to Ergotec Safety Level
- Adjustable angle for individual customization
- Made from lightweight aluminum 6061 T6
- Robust conical clamp for secure hold.

10. Ergotec Stem SWELL RE 35 120mm -20°/+40° 28.6mm black-sand SafetyLevel 6
For handlebars 35.0 mm
- Stem diameter: 28.6 mm
- Projection: 120 mm
- Clamping height: 45 mm
- Effective length: 100/120/95
- Effective height: -55/0/65
- Angle: -20°/+40°
- Material: AL 6061 T6
- Black sandblasted
- Safety level: 6
- Sales unit: 1/10 piece
- Weight: 310 g
The Ergotec Swell-RE is an angle-adjustable stem with high strength. With a 35 mm handlebar clamp, it is the ideal choice for cyclists who value flexibility, stability, and safety. Developed for E-MTBs, MTB Cross Country, SUVs, and E-SUVs, this angle-adjustable stem combines robust construction with versatile functionality. The Ergotec Swell-RE stem is designed for loads of up to 140 kg (bike + rider + luggage) to meet the requirements of sporty rides.
