BBB – ACTIONSTEM Suspension Stem

The ActionStem is a shock-absorbing, vibration-reducing stem designed for 31.8mm handlebars, providing comfort and control for road, gravel, and commuter cyclists. Its elastomers of varying hardness allow riders to fine-tune the level of shock absorption according to preference, reducing fatigue and improving ride quality over long distances or rough terrain.

Key Features

• Shock-absorbing and vibration-reducing design for smoother rides

• Adjustable angles: 0° (60mm) to +3.5° (100mm) for sporty or relaxed positioning

• Direct mount for 28.6mm (1 1/8") steerer tubes

• Comes with extra elastomers to customize shock absorption (up to 20 mm)

• Ideal for gravel, road, and commuting use

• Certified for E-Bike (EN 15194) and Road (EN 14781 / ISO 4210) standards

Specifications

• Bar clamp diameter: 31.8 mm

• Fork steerer diameter: 28.6 mm (1 1/8”)

• Material: 6061 T6 Aluminum

• Stem type: Adjustable

• Weight: 309g, 347g, 386g (depending on size)

• Available lengths: 60mm, 70mm, 80mm, 90mm, 100mm

Why Choose the ActionStem?
Perfect for riders seeking comfort without sacrificing control, the ActionStem reduces vibrations and fatigue while maintaining stiffness and reliability for spirited rides or daily commuting.