YSS Gas Top Line G-Top Rear Shock absorberRef : YSS00535A / 1147651

YSS Top Line G-Top Rear Shock Absorber — Manufacturer reference: TM302-340TRC-11-888. Designed for urban riders seeking precise and adjustable damping, this gas pressure model features an anodized aluminum body and an external compensation reservoir for more consistent thermal management during sustained use.

• Type: gas (gas pressure)
• Length: 340 mm
• Spring: red, characteristic 13 / 18, length 230 mm, diameter 42 mm
• Piston / rod: Ø piston 30 mm / Ø rod 12 mm
• Mountings: upper spigot Ø 10 mm, lower eye Ø 10–14 mm
• Adjustments: continuous preload (fine thread), compression 30 clicks, rebound 30 clicks
• Accessories: adjustment key included

The YSS Top Line G-Top allows for fine adjustment of preload and controls compression and rebound in 30 clicks each, to adapt the rear end to road conditions and riding style. Its external reservoir minimizes variations due to oil heating and facilitates a more linear behavior. Careful finish and visible red spring for a sporty look compatible with the urban environment.

Common compatibilities: particularly suitable for VESPA GTS 310 HPE (2025) and derivatives — check dimensions and mountings before installation.