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.
Please note that some dropdown options are parts only. Please choose carefully.
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Note on Availability
Items available on our website are not always available in-store, some are only held by our suppliers. In-store items usually arrive 2-3 business days after the order is dispatched(rural deliveries can take an extra 2 business days). Items only held with supplier might take up to 7 business days from when the order is dispatched, depending on the supplier. Please contact us if you have specific questions.
SHIPPING INFORMATION
At Chain Reaction, we aim to deliver your order as quickly as possible.
Free Shipping on Gear: Orders over $139 (excludes Bikes & Bulky items)
Delivery Times: In-Store Items: Arrive in 2–3 business days (extra 2 days for rural). Supplier-Only Items: May take up to 7 business days, depending on the supplier.
Selected Bikes: Nationwide shipping for select bikes: $60 or free pick-up from our Christchurch store. Shipped bikes require some assembly. Picked-up bikes are fully built and ready to ride.
Click & Collect: Available for most products. Collect at 4/218 Moorhouse Ave, Christchurch.
Dangerous Goods: Items like batteries and aerosols may incur additional fees due to safety regulations.
Returns: Changed your mind? Return unused items in original packaging within 14 days for a refund (shipping costs excluded).
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.
