YSS Rear mono Gas Shock absorberHONDA 300 CRF 300 L - 2021 - 2024Ref : YSS00400A / 1109833

YSS MZ456 Topline Rear Shock Absorber — Manufacturer reference: MZ456-405TR-17-85

Replaces the original shock absorber with a mono-shock unit from the TOP line Z-Series, designed for roadsters looking to achieve more consistent handling without altering geometry. Features an integrated reservoir and gas emulsion body for controlled response on urban rides as well as during road accelerations.

• Type: mono-shock Topline Z-Series, integrated reservoir
• Adjustments: spring preload + adjustable rebound to fine-tune performance
• Dimensions: length 405 mm • piston Ø 45 mm • shaft Ø 16 mm
• Certification: TÜV, for road compliance
• Spring and base adjustment tailored to the application for an equivalent replacement to the original equipment

Recommended rider weight: 55 - 85 kg

For riders between 86 and 105 kg, the alternative reference is MZ456-405TR-18-85.

Referenced on several variants of the HONDA CRF 300 L (2024‑2026), this shock absorber is aimed at riders seeking a robust and adjustable replacement solution, capable of improving shock management and cornering stability while remaining compliant with certification requirements.