These are the Proline 1.0" Dual Stage Rock Crawling Foams. These Dual Stage Rock Crawling Foam Inserts feature a lightweight, firm blue closed cell foam inner ring to keep your sidewall protected and supported, while the soft outer foam provides maximum grip and maintains a fully supported sidewall to give them the correct shape, improved performance and maximum side-hilling stability. These inserts are the perfect upgrade for all your micro crawlers have extreme durability to go the distance no matter where the adventure takes you.

Features:

• Perfect fit for 1.0" micro crawler tires
• Dual Stage for Incredible Grip and Sidewall Support
• Contoured to Perfectly match Pro-Line's 1.0" Tires
• Inner Closed Cell Provides Unmatched Sidewall Support
• Soft Outer for Maximum Traction
• Contoured to Perfectly match Pro-Line's 1.0" Tires

Specifications:

• Inner Tire / Outer Wheel Diameter: 1.0 in
• Width: 0.7" (18 mm)
• Height: 2.2" (56 mm)

Includes:

• (4) Proline 1.0" Dual Stage Rock Crawling Foams