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MITASDirt/MXOff-Road

Terra Force-MX SM

A purpose-built soft-to-medium terrain MX tire engineered for sand, loam, and supercross — from mini bikes to full-size race machines.

MTC8.2/10★★★★☆Dirt/MX · Soft-Terrain Race
MITAS Terra Force-MX SM motorcycle tiremotorcycletireco.com
BrandMITAS
TypeDirt/MX / Off-Road
FitmentFront & Rear
Sizes13
Deep-knob aggressive tread pattern claws into sand, loam, and loose dirt for maximum drive under acceleration and hard braking
High-performance soft compound delivers race-level traction while outlasting comparable soft-terrain tires across multiple motos
Supercross-proven carcass construction gives riders consistent, predictable feedback when pushing hard through berms and whoops
Mousse-fit optimized design integrates cleanly with foam mousse setups — no pinch-flat worries on race day
Full sizing range spans mini MX (50cc–85cc) through full-size and GP applications — one family covers your whole program
Yellow and red stripe ID system lets you spot the SM variant instantly in the pits without pulling out a tape measure
Select Size

Prices use MTC dealer formula · Load/speed index explained in the FAQ below

Fulfillment

Live pricing · Walk-in mount & balance available

🛞 Running a spoked wheel? Moose Offroad Medium Duty Tubes fit 60/100-12 — from $10
Save below MSRPIn-stock · ships fastWalk-in install
MTC Rating
MTC Score
8.2/10
★★★★☆
The Terra Force-MX SM is built for motocross racers who live on soft ground — exceptional track grip, but not a street or hard-pack tire.
Performance
Dry Grip8.7
Wet Grip8.4
Track Capability9.1
Mileage7.8
Street Manners2.0
Value8.3
Best For
Soft-Terrain MX Racer
You're lining up on sand, loam, or freshly worked tracks where traction makes or breaks your moto. The Terra Force-MX SM hooks up fast off the gate and keeps digging as the track gets chewed up — exactly what this tire is built to do.
Perfect Match
Weekend Warrior Motocrosser
You hit local tracks on weekends and want race-quality grip without swapping rubber after every session. Mitas optimized the compound to hold up across multiple outings, so you get serious performance without burning through your tire budget.
Great Match
Hard-Pack Track Rider
If your home track runs blue-groove, hardpan, or dry-pack conditions, the SM's soft compound and knob spacing won't be in their element. The Terra Force-MX MH is the right call — built specifically for firmer surfaces where a harder compound and tighter tread deliver better traction and tire life.
Consider Mitas Terra Force-MX MH (medium-hard terrain)
Full Size Chart & Part Numbers
Pos.SizeLoad/SpeedP/NMFR Part #UPC-AOur Price / MSRP
Front60/100-120312-0524700009403831126106577$57.18$66.99Save $10
Front70/100-140312-0544700009423831126106706$61.46$71.99Save $11
FrontOOS70/100-170312-0525700009433831126106713$72.18$84.99Save $13
FrontOOS70/100-190312-0526700009443831126106744$72.18$84.99Save $13
Front80/100-210312-0529700009463831126107246$91.07$106.99Save $16
Front90/90-210312-0528700009493831126107321$93.44$109.99Save $17
Rear100/90-190313-1010700009373831126107178$107.14$125.99Save $19
Rear110/90-190313-1011700009383831126107161$117.51$137.99Save $20
Rear120/80-190313-1012700009393831126107147$122.76$143.99Save $21
Rear70/100-100313-1016700009413831126106683$57.18$66.99Save $10
Rear80/100-120313-1017700009453831126107031$61.46$71.99Save $11
RearOOS90/100-140313-1018700009473831126107055$72.18$84.99Save $13
Rear90/100-160313-1021700009483831126106652$75.95$88.99Save $13
Frequently Asked
This tire was developed for soft to medium terrain — think sand, loam, and freshly tilled tracks. The deep knobs are spaced to penetrate loose surfaces and shed buildup, so traction stays strong through acceleration, braking, and cornering. It's not the right call for hard-pack or blue-groove conditions.
Yes. The Terra Force-MX SM is specifically optimized for mousse compatibility, so the internal geometry accommodates foam inserts without fighting the fitment. It's a clean setup for racers who want to eliminate pinch-flat risk entirely.
Mitas engineered the compound to balance outright grip with usable durability — it holds up across multiple motos or sessions better than many comparable soft-terrain race tires. That said, longevity depends on how aggressive your riding style is and how rough the track gets. Expect strong performance, not indefinite mileage.
The Terra Force-MX SM covers the full youth racing range, including 60/100-12 and 70/100-10 fronts and 80/100-12 and 70/100-10 rears — enough to fit most 50cc through 85cc machines. If you're not sure what your bike takes, call us at (714) 516-9059 and we'll sort it out.
No — and we'd rather be straight with you than have you buy the wrong tire. The SM is purpose-built for soft terrain. For hard-pack or firm-base conditions, the Mitas Terra Force-MX MH is the variant you want, with a compound and tread pattern dialed in for those surfaces.
The colored stripes are Mitas' quick-ID system for distinguishing the SM (soft-to-medium) variant from other Terra Force-MX models. In a busy pit area where tires can look identical at a glance, it's a practical detail that saves confusion when you're prepping between motos.

Mitas Terra Force-MX SM Tires in Orange County — MTC

Motorcycle Tire Center in Orange, CA stocks the Mitas Terra Force-MX SM for motocross riders across Orange County — from Anaheim and Fullerton to Mission Viejo and Huntington Beach. If you race or ride on sand, loam, or soft-base tracks, this is the tire Mitas built specifically for those conditions. Deep-digging knobs, a supercross-proven carcass, and a soft compound calibrated for durability make it a serious race tire that holds up across multiple sessions.

We carry the full Terra Force-MX SM size range, covering everything from mini MX youth bikes up through full-size race machines and GP applications. Walk in, we'll confirm your fitment, mount, and balance on the spot. Our pricing comes in below MSRP, and we keep our service fees straightforward: $69 mount, $9.95 balance, and $3.50 disposal per tire — no surprises.

Whether you're prepping for a local SoCal MX race or just want the best soft-terrain tire your bike can run, MTC is your shop. We know this product, we know the terrain, and we're here to make sure you leave with the right rubber. Stop by our Orange location or call us at (714) 516-9059 to check availability and current pricing.

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