RISK DH‑506 Series Double Bearing Bicycle Headset 44‑50.6mm for Straight / Tapered Fork

RISK DH‑506 series threadless headset is designed for 44‑50.6mm bike frames. Built with 6061‑T6 aluminum alloy and sealed double cartridge bearings, this headset offers smooth rotation and reliable waterproof performance. Three variants available to match straight fork, 1.25" small‑taper fork and 1.5" standard tapered fork. CNC machined with anodized finish and laser‑etched RISK logo, comes with complete hardware and retail box packaging.

🔹 Key Advantages 

• Material: 6061‑T6 aluminum alloy housing, 304 stainless steel top cap bolt
• Sealed double cartridge bearings, waterproof oil‑seal design, low‑maintenance
• Precise CNC machining, hard anodized surface, laser engraved RISK logo
• Smooth & quiet rotation, high locking strength
• Complete assembly accessories included, retail box packed
• 3 variants for different fork steerer specifications

🔹 Compatibility 

• Frame requirement: 44‑50.6mm head tube frame
  1. DH‑506: Fits 28.6mm straight steerer fork
  2. DH‑506K: Fits 1.25" small tapered steerer fork
  3. DH‑506F: Fits 1.5" standard tapered steerer fork

🔹 Notes

• Please confirm your fork steerer size and frame head‑tube dimension before purchase
• Upper headset parts are identical for 3 models; differences lie in lower cup & base spacer
• Measurement data from RISK lab, actual product shall prevail
• Requires proper installation tools for assembly

🔹 Specifications

• Series: RISK DH‑506 Series
• Model: DH‑506 / DH‑506K / DH‑506F
• Frame Head Tube: 44‑50.6 mm
• Weight: 125g (DH‑506/DH‑506K); 141g (DH‑506F)
• Bearing: Sealed double cartridge bearings
• Material: 6061‑T6 Aluminum Alloy + Stainless Steel hardware
• Package Size: 60×60×42 mm
• Package: Brand retail box