HighSix 25.4mm
- Angle-adjustable stem for 25.4mm handlebars.
- Adjustable angle of -40° to +40° for the ideal cycling postion.
- For direct mount on the steerer tube, 28.6 mm (1 1/8'')
- Sandblasted finish and galvanized black bolts
- Certified to use on all types of bikes including MTB and E-bikes
In stock
HighSix Handlebar Stem
The HighSix is specifically designed to create maximum freedom to adjust your handlebar stem exactly the way you want it. The maximum 40 degrees angle brings your upper body up and releases the pressure of your lower back. Using the HighSix the other way around, you can create a maximum of 40 degress downwards for a more aerodynamic position. The ideal handlebar stem for a higher as well as a lower riding position.
Size guide
Every type of stem comes in different length sizes (mm). The stem length affects both your bicycle's handling and your riding position. The length of a stem is measured from the center point of the steerer tube to the center point of the handlebar. Shorter stems (40 - 80mm) offer quick, responsive steering, coften featured on mountain bikes. Longer stems (80 - 130mm), often used on road bikes, improve stability at higher speed. Gravel bikes typically fall in between, balancing agility and control with stem length (60 - 90mm).
The stem also influences riding position, mainly your reach. A longer stem extends your arms forward, resulting in a more aerodynamic position with your upper body folding over the bike. Conversely, a shorter stem allows for a more upright riding position with your hands closer to your body. For the best fit, we recommend a professional bike fitting or consult your bike’s geometry before selecting a stem length.
| Size | Â | Â | Â |
|---|---|---|---|
| 1. Length (mm) | 90 | 110 | 130 |
Specifications
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Sizes
90mm (264g), 110mm (264g), 130mm (264g)
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Certified for
E-Bike (EN 15194), MTB (EN 14766 / ISO 4210), Road (EN 14781 / ISO 4210), Touring (EN 14764 / ISO 4210)
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Stack height
40 mm
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Material
6061 T6 Aluminum
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Stem type
Adjustable
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Steerer tube diameter (mm)
28.6mm (1 1/8")
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E-bike certified
Yes
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Di2 Compatible
No
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Bar center diameter (mm)
25.4
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Angle (degrees)
-40 / +40
Handlebar center diameter
The handlebar center diameter refers to the size of the handlebar where it attaches to the stem or another accessory. This diameter can vary between different types of bikes. Common sizes include 31.8mm for road bikes and mountain bikes, and 25.4mm for trekking and city bikes. Check your handlebar's center diameter to ensure compatibility when purchasing a new stem.
E-bike ready
Products suitable for use on a wide range of bicycles, including E-bikes. Ensuring durability even at higher speeds and with heavier bikes. They meet the NEN-EN 15194:2017 standard for electric bicycles, covering safety aspects and hazard prevention. This e-bike-ready label guarantees your gear can handle the demands of (electric) cycling, providing peace of mind when you hit the road on your e-bike.
Stem angle
The angle of a cycling stem, often called 'rise,' impacts your riding position. A stem with a 0º angle is perpendicular to the steerer tube. Positive angles, like +6º, raise your handlebar, creating a more upright position. In contrast, a double-angled stem or flipping the stem creates a negative angle, making your upper body flatter and more aerodynamic. Our range includes stems with varying degrees of rise, from zero to -40º to +60º. It's essential to test different stems for the best fit or consult your local bike shop or get a bike fit for personalized advice.