Product Description
Maxxcross Mx-si Tire is available now from Knobtown Cycle, your Kansas City motorcycle parts specialists.
Delivering improved performance in soft-to-intermediate motocross conditions, the Maxxcross MX-SI is the latest model from the Maxxis MX line. Designed and tested in cooperation with 7X Supercross champion Jeremy McGrath, the all-new MX-SI gives motocross riders and racers an edge with superior traction in a wide range of conditions.
Key Features
- Superior traction for consistency in rough conditions allows the rider to feel confident in any soft-to-intermediate scenario
- Redesigned tread pattern and compounding provide excellent traction on corner exits, putting the bike’s power to the ground in softer terrain
- New tread pattern and carcass on front tire offer excellent lean angle grip, predictability and stability
Product Specifications
- Part Number: 870-8091
- Brand: Maxxis
- Weight: 9.02 lbs
- UPC: 4717784519821
Available at Knobtown Cycle
Order online or stop by our Kansas City location. Kansas City riders since 2004!
Part Locations
| Location |
Available |
| Ashley (IN) |
6 |
| Elizabethtown (PA) |
0 |
| Boise (ID) |
8 |
| Midway (GA) |
8 |
| Fresno (CA) |
0 |
| Jessup (MD) |
0 |
| Midlothian (VA) |
3 |
| National Total |
25 |
Stock levels last updated: March 8, 2026 5:04 PM
Professional Installation Available
Knobtown Cycle offers professional installation services. Contact us via a service request to learn more.
Thank you for Shopping at Knobtown Cycle!
When you shop with us, you’re not just buying motorcycle parts — you’re supporting a small, family-run business rooted right here in the heartland of America. Every order helps us keep riders on the road and fuels our passion for serving the motorcycle community.
From all of us at Knobtown Cycle, thank you for choosing local and riding with us.
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