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9.3 average score from 118 reviews

HighSix 35mm

Model number: BHS-30
  • check Angle-adjustable stem for 35mm handlebars.
  • check Adjustable angle of -40° to +40° for the ideal cycling postion.
  • check For direct mount on the steerer tube, 28.6 mm (1 1/8'')
  • check Sandblasted finish and galvanized black bolts
  • check Certified to use on all types of bikes including MTB and E-bikes
More information

In stock

As low as: €0.00

HighSix OS Handlebar Stem

One stem for endless posibillities. The HighSix OS is the perfect solution to give yourself all the freedom of the world. The HighSix OS can be adjusted between 40 degrees up and 40 degrees down, 80 degrees of movement that can make all the difference. The HighSix OS makes every ride a comfortable ride.

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    
1. Length (mm) 90 110
55353_Size-guide_Stems.png

Specifications

  • Stack height

    40 mm

  • Sizes

    90mm (272g), 110mm (272g)

  • Stem type

    Adjustable

  • Certified for

    E-Bike (EN 15194), MTB (EN 14766 / ISO 4210), Road (EN 14781 / ISO 4210), Touring (EN 14764 / ISO 4210)

  • Material

    6061 T6 Aluminium

  • Steerer tube diameter (mm)

    28.6mm (1 1/8")

  • Di2 Compatible

    N

  • Bar center diameter (mm)

    35

  • Angle (degrees)

    -40 / +40

Handlebar center diameter

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.

Stem angle

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.