Shinko 546 Series Front Tire 90/100-21 (57 M) – Tube Type Blackwall

Engineered for soft-to-intermediate off-road terrain, the Shinko 546 Series front tire combines a high-carbon compound with an aggressive bias-ply design to deliver standout traction, rapid self-cleaning, and precise cornering control.

• High-carbon compound knobs resist chunking and maintain bite in mud, sand, and loam
• 45° front knob pattern offers a biting edge for confident cornering and braking stability
• Tall, widely spaced knobs ensure rapid debris evacuation and consistent grip
• 90/100-21 size with Load Index 57 (up to 549 lb) and M speed rating (up to 81 mph)
• Tube-type bias construction fits 1.85–2.50 in. rims; outside diameter 28.07 in.; recommended pressure 33 psi

Fitment: 90/100-21 front wheels on dual-sport, trail, and enduro motorcycles (verify tube & rim compatibility per owner’s manual)