2XLarge — firm rear for enduro speed and rally integrity.

G-Mousse Rear 2XLarge is the firm end of the 140/80-18 Enduro–Rally scale: more support for Motorally, Baja and fast enduro when Soft Large would feel too soft. Flat-proof polymer when tubes are a liability.

Built for

140/80-18 Enduro–Rally (firm); Motorally / Baja support.

Pairing

• GOP4200KE · GT516KE 140/80-18 — Est. ~12–14 psi (firm)
• GOP4114KE · GT569KE 140/80-18
• GOP4025RH · GT723RH 140/80-18

Soft: MOU2012N · Medium: MOU2013N · Max raid volume: MOU2015N.

Specs

• Code: MOU2014N
• Size class: Rear 2XLarge · 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