Bridgestone Battlecross X31F 80/100-21 51M Front Tire — Motocross Off-Road

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SKU: BRG13847
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Sale price$103.24 Regular price$147.48
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Bridgestone

Bridgestone engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Bridgestone lineup with fast shipping and expert fitment support — order with confidence.

Dominate the Dirt with Bridgestone Battlecross X31F

The Bridgestone Battlecross X31F is engineered for motocross riders who demand precision, traction, and durability. This 80/100-21 front tire features Bridgestone's Castle Block technology, which increases edge effect for better cornering grip on a wide variety of terrains. Whether you are racing on hard-packed dirt or loose loam, the X31F provides the confidence you need to push your limits.

Performance Features

  • Size: 80/100-21 51M
  • Castle Block technology for enhanced traction
  • Flexible tread blocks for improved terrain contact
  • Advanced compound for maximum durability
  • Designed for intermediate to soft terrain

The X31F is built to handle the rigors of competitive motocross. Its optimized tread pattern ensures excellent mud-clearing capabilities, keeping you moving forward in even the most challenging conditions. By providing a consistent contact patch, this tire allows for sharper turn-in and better stability when braking into corners. Equip your dirt bike with the best technology available. Shop for your next motocross tire upgrade at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Bridgestone

Bridgestone engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Bridgestone lineup with fast shipping and expert fitment support — order with confidence.

Dominate the Dirt with Bridgestone Battlecross X31F

The Bridgestone Battlecross X31F is engineered for motocross riders who demand precision, traction, and durability. This 80/100-21 front tire features Bridgestone's Castle Block technology, which increases edge effect for better cornering grip on a wide variety of terrains. Whether you are racing on hard-packed dirt or loose loam, the X31F provides the confidence you need to push your limits.

Performance Features

  • Size: 80/100-21 51M
  • Castle Block technology for enhanced traction
  • Flexible tread blocks for improved terrain contact
  • Advanced compound for maximum durability
  • Designed for intermediate to soft terrain

The X31F is built to handle the rigors of competitive motocross. Its optimized tread pattern ensures excellent mud-clearing capabilities, keeping you moving forward in even the most challenging conditions. By providing a consistent contact patch, this tire allows for sharper turn-in and better stability when braking into corners. Equip your dirt bike with the best technology available. Shop for your next motocross tire upgrade at GGCRACING.

Product Details

Product Description

About Bridgestone

Bridgestone engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Bridgestone lineup with fast shipping and expert fitment support — order with confidence.

Dominate the Dirt with Bridgestone Battlecross X31F

The Bridgestone Battlecross X31F is engineered for motocross riders who demand precision, traction, and durability. This 80/100-21 front tire features Bridgestone's Castle Block technology, which increases edge effect for better cornering grip on a wide variety of terrains. Whether you are racing on hard-packed dirt or loose loam, the X31F provides the confidence you need to push your limits.

Performance Features

  • Size: 80/100-21 51M
  • Castle Block technology for enhanced traction
  • Flexible tread blocks for improved terrain contact
  • Advanced compound for maximum durability
  • Designed for intermediate to soft terrain

The X31F is built to handle the rigors of competitive motocross. Its optimized tread pattern ensures excellent mud-clearing capabilities, keeping you moving forward in even the most challenging conditions. By providing a consistent contact patch, this tire allows for sharper turn-in and better stability when braking into corners. Equip your dirt bike with the best technology available. Shop for your next motocross tire upgrade at GGCRACING.

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