3XLarge — maximum rear volume for long-distance raid carcasses.

G-Mousse Rear 3XLarge is the largest rear insert in the Goldentyre range — built for rally-raid carcasses in the 140/80-18 and 150/80-18 class when you need maximum foam volume and zero flats across long desert and raid stages.

Built for

140/80-18 · 150/80-18 Rally Raid (max volume class).

Pairing

• GOP4025RH · GT723RH 140/80-18 (raid / big-volume rear setups)
• Catalog map: 140/80-18 Rally Raid · 150/80-18 Rally Raid

For Enduro–Rally firm without max raid volume, prefer MOU2014N Rear 2XLarge.

Specs

• Code: MOU2015N
• Size class: Rear 3XLarge · 18"/19"

• Construction: dual-heat polymer insert (replaces inner tube)
• Flat protection: 100%% competition flat-proof when correctly fitted
• Feel: fixed equivalent pressure (typical market range ~0.7–0.9 bar / ~10–13 psi; see pairings for estimates)
• Included: mousse lube
• Use: off-road / competition only — not road legal
• Fitment: designed for Goldentyre tyre carcasses (other brands may differ in section and wall thickness)
• Care: avoid prolonged asphalt and extreme heat (premature wear)
• Note: no warranty for improper use