RISK DH-411/DH-418 Fully Integrated Bicycle Headset 41mm/41.8mm, Double Sealed Bearing Headset for 28.6mm Straight Fork

The RISK DH-411/DH-418 Fully Integrated Bicycle Headset is designed for road bikes, fixed gear bikes, and compatible frames using a straight head tube with a standard 1-1/8″ / 28.6mm straight fork.

Made from 6061 aluminum alloy with CNC machining, anodized finish, laser-engraved logo, and double sealed cartridge bearings, this headset provides smooth steering, reliable sealing, and a clean integrated look for your bike build or replacement.

Available in two specifications: DH-411 41mm and DH-418 41.8mm. Please confirm your frame head tube size before purchase, as 41mm and 41.8mm are not interchangeable.

Key Features

• Brand: RISK
• Model: DH-411 / DH-418
• Type: Fully integrated bicycle headset
• Material: 6061 aluminum alloy
• Bearing Type: Double sealed cartridge bearings
• Fork Compatibility: Standard straight fork, 1-1/8″ / 28.6mm
• Crown Race Size: 30mm
• Finish: Black anodized surface
• Logo: Laser-engraved RISK logo
• Processing: CNC machined for precise fit
• Seal Design: Double waterproof seal helps block dust, mud, and moisture
• Weight: Approx. 93g
• Packaging: RISK branded box

Suitable For

This headset is suitable for:

• Road bikes
• Fixed gear bikes
• City bikes
• Compatible straight head tube frames
• Replacement or upgrade of fully integrated headsets
• Frames using a 28.6mm straight fork steerer and matching headset size

Model Options

DH-411 — 41mm Fully Integrated Headset

• Head Tube Size: 41mm upper / 41mm lower
• Specification: 28.6 / 41 / 30mm
• Bearing Size: 41 x 6.5 x 45°
• Weight: Approx. 93g
• Package Size: Approx. 49 x 49 x 50mm

DH-418 — 41.8mm Fully Integrated Headset

• Head Tube Size: 41.8mm upper / 41.8mm lower
• Specification: 28.6 / 41.8 / 30mm
• Bearing Size: 41.8 x 6.5 x 45°
• Weight: Approx. 93g
• Package Size: Approx. 49 x 49 x 50mm

Important Notes

• Please confirm your frame head tube inner diameter before ordering.
• DH-411 and DH-418 are not interchangeable.
• The headset is designed for standard 28.6mm straight fork steerers.
• Please check both the upper and lower headset bearing sizes before purchase.
• Manual measurement may have slight differences.
• Professional installation is recommended.

Product Details

• Product Name: RISK Fully Integrated Double Bearing Headset
• Brand: RISK
• Model Number: DH-411 / DH-418
• Material: 6061 Aluminum Alloy
• Color: Black
• Size Options: 28.6 / 41 / 30mm, 28.6 / 41.8 / 30mm
• Stack Height: Approx. 8.6mm
• Weight: Approx. 93g
• Package Weight: Approx. 95g
• Package Size: Approx. 49 x 49 x 50mm
• Bearing: Steel sealed cartridge bearings
• Installation Type: Fully integrated / hidden headset
• Gender: Unisex
• Stock Status: In stock
• Package Includes: 1 set bicycle headset