MICHELINDirt/MXOff-Road

StarCross 6 Hard

Name: StarCross 6 Hard Motorcycle Tires
Brand: MICHELIN
Rating: 8.3 (2 reviews)

Purpose-built motocross rubber for hard-pack and packed clay — the go-to MX tire for racers and high-volume practice riders who live on firm terrain.

MTC8.3/10★★★★☆Dirt/MX · Hard-Pack Specialist

MICHELIN StarCross 6 Hard motorcycle tire

motorcycletireco.com

BrandMICHELIN

TypeDirt/MX / Off-Road

FitmentFront & Rear

Sizes2

Silica-infused compound maintains tread block grip and pliability deep into the tire's wear life — not just when new

Adaptive contact patch geometry adjusts as conditions shift, keeping the tire hooked up from gate drop through final moto

Hard-terrain compound purpose-built for packed clay, sun-baked dirt, and high-desert surfaces where softer rubber overheats and chunks

Reinforced knob construction resists tearing and deformation under aggressive cornering and heavy braking loads

Measurably longer service life than previous-generation hard-pack MX rubber — fewer mid-season swaps, lower cost per moto

Fits 90/100-21 front and 110/90-19 rear — standard sizing for 250cc and 450cc motocross platforms across all major brands

Riders Also Considered

MICHELIN

StarCross 6 Medium Soft

From $113

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Trial Light Competition

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? Shop 21″ inner tubes →

Save below MSRPIn-stock · ships fastWalk-in install

MTC Rating

MTC Score

8.3/10

★★★★☆

The StarCross 6 Hard is built for competitive and practice riders who spend most of their time on firm, packed tracks where durability and grip retention matter most.

Performance

Dry Grip8.7

Wet Grip6.2

Track Capability9.1

Mileage8.9

Street Manners0.0

Value8.4

Best For

Hard-Pack Racer

You're chasing podiums on firm, groomed tracks where edge grip and block stability are the difference between a good finish and a great one. The SC6H holds up through multiple motos without overheating or losing its bite on abrasive clay and hardpack dirt.

Perfect Match

High-Volume Practice Rider

You're putting in serious hours at the local track every week and need a tire that won't quit on you mid-session. The StarCross 6 Hard delivers consistent, predictable grip across its extended wear life — and stretches your replacement intervals so you spend more on riding and less on rubber.

Great Match

Soft or Intermediate Terrain Rider

If your home track runs loamy, freshly worked, or muddy conditions, this compound isn't your answer. A harder tire on soft terrain means less hookup and more spin. Step over to the Michelin StarCross 6 Medium or Soft for the knob profile and compound that actually works in those conditions.

Consider StarCross 6 Medium

Full Size Chart & Part Numbers

Pos.	Size	Load/Speed	P/N	MFR Part #	UPC-A	Our Price / MSRP
Front	90/100-21	—	0312-0475	17740	086699177407	$116.87$129.95Save $13
Rear	110/90-19	—	0313-0903	52416	086699524164	$133.07$147.95Save $15

Frequently Asked

This tire is engineered for packed clay, hardpack dirt, and sun-baked surfaces — the kind of tracks you find at summer nationals and high-desert riding areas. It is not the right call for soft, loamy, or wet conditions where the Medium or Soft variants will give you far better hookup and steering feel.

That's one of the SC6H's strongest selling points. Michelin's Silica Technology keeps the compound pliable and the tread blocks stable throughout the tire's life rather than only when fresh out of the box. Testing shows up to 19% more traction in a worn state compared to the previous StarCross 5 generation — a real-world advantage for riders who push tires until they're spent.

Michelin reports up to 11% improved durability over the StarCross 5. In competitive racing conditions, most riders get roughly 6–8 motos out of a rear tire. High-volume practice riders logging hard sessions on abrasive hardpack typically report 12–15 hours before needing a swap. Actual longevity depends on track conditions, riding style, and how hard you're pushing.

Absolutely — it's a common setup. Many experienced riders pair the Hard rear with a Medium front when track conditions vary or the front surface stays slightly looser. The front tire generally sees less drive load, so a softer compound there can sharpen steering input while the Hard rear handles the traction and durability demands at the back.

The SC6H handles hardpack desert terrain and rocky trails well, especially where durability and traction on firm surfaces are priorities. That said, it's designed around motocross racing geometry and feels at home on prepped tracks. For technical single-track or mixed-terrain trail riding, a dedicated enduro or dual-sport tire will give you a more versatile, comfortable experience.

The 90/100-21 front is the standard size for most modern motocross and off-road bikes running a 21-inch front wheel. The 110/90-19 rear covers the 19-inch rear wheel spec common to 250cc and 450cc MX bikes from every major manufacturer. If you're not sure which you need, call us at (714) 516-9059 and we'll confirm fitment before you order.

Michelin StarCross 6 Hard Tires in Orange County — MTC

Motorcycle Tire Center in Orange, CA stocks the Michelin StarCross 6 Hard for motocross and off-road riders throughout Orange County — including riders coming in from Anaheim, Fullerton, Mission Viejo, Irvine, and Huntington Beach. This is a purpose-built hard-pack MX tire designed for packed clay, firm dirt, and high-desert conditions where lesser rubber chunks, overheats, or loses grip before the session is over. If you're competing at summer nationals or logging serious hours at a local hardpack track, the SC6H is worth a hard look.

What sets the StarCross 6 Hard apart is that its performance doesn't fall off a cliff as the tire wears. Michelin's Silica Technology keeps the compound working through the tire's full service life, and the reinforced tread block construction resists the tearing and chunking that kills lesser tires on abrasive surfaces. Extended durability over the previous generation means fewer replacement cycles and a lower cost-per-moto for serious riders.

At MTC, we mount and balance walk-in MX and off-road tires for $69 mount, $9.95 balance, and $3.50 disposal per tire — no appointment needed. We also sell the StarCross 6 Hard below MSRP, so you're not overpaying before you even hit the track. Questions about compound selection or sizing? Give us a call at (714) 516-9059 and we'll point you toward the right StarCross 6 variant for your terrain and riding schedule.

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MICHELIN StarCross 6 Medium Soft

Michelin's most versatile off-road compound — built for mixed terrain, weekend warriors, and dual-sport riders who need grip that lasts.

Best suited for trail riders and dual-sport adventurers who cover varied ground and want proven grip without burning through tires every few rides.

Best for

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The Michelin Trial Light is a competition-only trials tire built for riders who understand low-pressure setup and need every edge on technical sections.

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Michelin's dedicated mud weapon — built for riders who thrive when conditions turn wet, sloppy, and brutal.

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The StarCross 6 Mud is the right call for riders who spend serious time in wet, soft conditions and need a tire that works harder as the going gets worse.

Best for

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The StarCross 5 Mini is the go-to off-road tire for youth motocross racers and small-bore enthusiasts who want genuine Michelin performance in the right size.

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