High speed. High impact. Front end that stays honest.

G-Mousse Front XLarge is built for Fatty-class 90/100-21 when rally raid and desert pace demand a firmer, more confident front — the insert that keeps the carcass working when rocks and whoops try to fold it.

Built for

Rally raid · Desert · Extreme long-distance on 90/100-21 Fatty fronts.

Pairing

• GOP3176N · GT216AA Fatty 90/100-21 — Est. 14–16 psi
• GOP3182 · GT222 Fatty 90/100-21

Catalog: 90/100-21 Rally Raid. Softer Fatty / Enduro feel → MOU2001N Front Large.

Specs

• Code: MOU2002N
• Size class: Front XLarge · 21"

• 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