The Shinko Tire 546 Series Front 90/100-21 57M Bias TT is designed to deliver reliable performance across a variety of terrain conditions. Crafted with a high carbon compound, this tire offers enhanced durability and longevity, making it ideal for riders who demand resilience during extended off-road adventures. The 90/100 size features a taller side wall that protects against pinch flats when navigating roots and rocky terrain, providing peace of mind in rugged environments. The tire’s design incorporates a 45° knob pattern on the front, enhancing grip during cornering and improving braking stability for confident handling.
The tall knobs on the front tire deliver superior traction in soft to intermediate loam conditions, ensuring excellent control in challenging off-road scenarios. For riders seeking more precise handling, the 80/100 size features a lower profile sidewall that reduces sidewall flex, facilitating sharper turns and better responsiveness. The rear tire complements the front with wide, tall knobs that self-clean effectively, maintaining traction in loose and muddy conditions. Its rubber compound is engineered for durability, ensuring the knobs wear evenly and last longer, even on demanding trails. Suitable for a broad range of soil types, from mud and sand to intermediate loam, this tire is a versatile choice for off-road enthusiasts.
Please note that the Shinko 546 Series tires are not for highway service, emphasizing their focus on off-road performance and trail riding. Designed to withstand tough conditions, this tire provides excellent straight-line traction and cornering capability, making it a dependable component for your off-road motorcycle setup. Whether tackling rugged mountain trails or loose dirt tracks, the Shinko Tire 546 Series Front 90/100-21 57M Bias TT is built to meet the demands of serious riders seeking durability, traction, and control.

Features:

• High carbon compound enhances durability and tread life.

• 45° knob pattern on the front for improved cornering and braking stability.

• Tall knobs on the front tire provide excellent traction in soft to intermediate loam.

• Taller side wall in 90/100 size prevents pinch flats in rocky and rooty terrain.

• Lower profile sidewall in 80/100 size for more precise cornering and reduced sidewall flex.

• Wide, tall knobs on the rear for effective self-cleaning and traction in muddy conditions.

• Rubber compound designed for long knob life and sustained performance.

• Not suitable for highway use, optimized for off-road riding.

Please verify your bike model and year before purchasing. If you have questions about fitment, contact us at info@elektrischesracing.com or use the chat below — we’re riders, and we’ll help you get the right part.

Most kits are plug-and-play. Installation guides are included in the box and available on our YouTube channel. For complex installations, we recommend watching our installation videos before starting.

Will this fit my bike?
Check the product title and description for compatible models. Contact us if unsure.

How long does shipping take?
Most orders ship within 1-3 business days from Laguna Beach, CA. Free shipping on orders over $200 (Lower 48).

Do you offer financing?
Yes! Shop Pay Installments and Affirm are available at checkout.

What’s your return policy?
We accept returns within 14 days on unused items in original packaging.