The Bitubo HD004WME03 (commonly searched as HE004WME03) is a high-performance adjustable rear twin shock absorber set engineered primarily for classic motorcycles, café racers, and various Harley-Davidson cruiser models (such as the Dyna, Sportster, XLH 883, and Road Glide lines).
Technical Specifications:
- Type: Single-chamber, nitrogen-pressurized gas shock absorbers featuring a floating oil/gas separating piston.
- Length: 331mm (13 inches) from eyelet to eyelet.
- Adjustability: Stepless manual spring preload and a 5-position rebound/extension damping setup.
- Materials: High-strength alloyed steel main body, Cr-Si alloyed steel progressive springs, and CNC-machined billet aluminum heads.
- Finish: "03" Chrome Edition, offering an entirely chromed body and spring for a classic aesthetic.
Key Benefits & Performance:
- Dual-Purpose Tuning: Readily adjusts to accommodate smooth solo urban riding or stable, balanced long-distance highway hauling with a passenger and luggage.
- Anti-Fading & Anti-Lock: Equipped with an internal hydraulic system and over-pressure valves to prevent hydraulic lock and preserve consistent damping over harsh, repeated bumps.
- Ease of Use: Features a progressive spring design where the threaded preload ring can often be turned smoothly by hand or using a manual spanner tool.