MOUSSE MOTOCROSS 80/100-21 PIRELLI, 9361100 X-21B2-MEDIUM
4.1 Trustpilot 99.9% positive on eBay
Delivery to United States 5–8 business days
Spread the cost with 
- SKU
- 62-592P.MX
- Brand
- Pirelli
- Availability
- In Stock (1)
- Date Created
- 29/11/2022 13:36:03
- Date Last Updated
- 13/08/2026 15:35:33
- Manufacturer
- Pirelli
- On Order
- 0
Show more +3Show less
- Price Last Updated
- 13/08/2026 12:26:19
- Stock Id
- 262969
- Weight Grams
- 1750
FULL DESCRIPTION
Pirelli Motocross Mousse 80/100-21 Medium
The Medium Mousse fromPirelli is a rubber foam insert designed to replace the inner tube in 80/100-21 off-road tyres used for competition. It helps prevent flat tyres during demanding off-road riding while providing dynamic characteristics intended to support faster, more efficient and less strenuous racing.
Key Features
- Replaces the inner tube in off-road tyres
- Helps prevent puncture-related flat tyres during off-road use
- Suitable for competition
- Mounting lubricant gel must be spread completely inside the tyre while avoiding the tyre beads
- Suspension settings must be adjusted appropriately when racing with a mousse
- Not permitted for use on public roads
Specifications
- Size: 80/100-21
- Compound: Medium
- Construction: Rubber foam
- Simulated inflation pressure: 0.7 bar ±0.1 bar
- Marking: NHS
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).
Call or email us with your make, model and year and we will check it for you before you order.
Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.
Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.
More answers in our FAQ.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.