KOYOYAMA TIRES

IRON RANGER
A/T KRO7

Wider Tread Width Design
A/T Compound Customized for the South American Market
Rim Protector Equipped Across the Full Range
White Letter Design (RWL) Across the Full Range
Upgraded Sidewall Protection Design
Comprehensive Improvement in Tire Balance Performance

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GRANDTRACK
AT30

Enhanced Off-Road Traction
Durable & Puncture-Resistant Construction
Stable Dry & Wet Handling
Long-Lasting Tread Life

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GRANDTRACK
AT25

Enhanced Off-Road Traction
Enhanced Dry & Wet Handling
Efficient Water Evacuation
Long-Lasting Tread Life
Quiet & Comfortable Ride
All-Season Performance

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GREATRIP
KG03

Long-Lasting Tread Life
Quiet & Comfortable Ride
Reliable Dry & Wet Traction
Low Rolling Resistance & Fuel Efficiency

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GREATRIP
KG05

Low-Noise Performance
Superior Ride Comfort
Long-Lasting Tread Life
Reliable Dry & Wet Traction
Precise Steering Response
Low Rolling Resistance & Fuel Efficiency

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GREATRIP
KG06

Enhanced Handling Performance
Enhanced Wet Grip
Quiet & Comfortable Ride
Low Rolling Resistance & Energy Efficiency
Uniform Wear & Long Tread Life
High-Speed Stability

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ABOUT US

KOYOYAMA is the latest tire brand manufactured by Zhongyi Rubber, a professional tire manufacturer established in 2016. Zhongyi Rubber manufactures tires under several brands, including JOYROAD, CENTARA, ZEXTOUR, and TARAFEX.
Built on years of manufacturing experience, market knowledge, and customer feedback, KOYOYAMA was created to meet the changing needs of today’s tire market. We work closely with our customers to develop reliable, competitive, and distinctive products for different markets.
More than just a tire brand, KOYOYAMA aims to be a long-term partner committed to continuous improvement, shared success, and growing together with distributors worldwide.
MORE THAN TIRES. IT’S A WAY OF LIFE.