Years of grueling on-track experience and advanced engineering shine through in this extreme-performance summer tire. The Proxes R1R helps you drive hard through the corners and quickly accelerate in the straightaways. Features include an aggressive, arrowhead tread design, extra wide footprint, high-grip compound, and autocross-inspired casing design.

Attention Racers! The Proxes R1R now comes with a UTQG treadwear of 200 AA A. See the Specifications tab for size-by-size availability.

Features:

• Silica-reinforced, high-grip tread compound
• Improves grip for better handling performance during high-spirited driving.
• Tapered center block edge
• Stabilizes center block movement to decrease irregular wear.
• Helps to increase hydroplaning resistance.
• Stability control slits
• Provide resistance to irregular wear.
• Improve dry performance by maintaining block stiffness during aggressive braking.
• Advanced autocross-inspired casing wiht modified radial construction
• Improves steering response and handling.
• Unidirectional arrowhead tread design
• Provides balanced performance between wet and dry conditions.
• Multi-width evac channels
• Improve water evacuation.
• Widen the shoulder block area to enhance steering response.
• Directional tread pattern
• Staggered tread blocks maximizes traction and handling.
• Improves ride comfort by reducing road noise.

Tire Specifications:

• Tire Size: 225/45ZR17
• Load / Speed: 91W
• Load ID: SL
• Sidewall: BSW
• Tread Depth (1/32"): 8.1
• Product Code: 145070
• Approved Rim Width Range (in.): 7.0-7.5-8.5
• Weight (lbs.): 24
• Inflated Overall Diameter (in.): 25
• Inflated Overall Width (in.): 8.9
• Max Load Single / Dual (lbs.): 1356
• Max Pressure Single / Dual (PSI): 51
• UTQG: 200 AA A
• Revs Per Mile: 832