All Balls Rear Brake Caliper Piston for Polaris Sportsman 850 X2 2011

• Stainless steel reduces thermal conductivity by up to 90% compared to aluminum
• Reduced braking temperatures provide better braking performance
• Eliminates the potential for becoming brittle or corroded like composite or chrome-plated pistons thus extending braking performance
• Eliminates failure-prone ceramic inserts used on some models

Bike Fitment:

• Polaris Sportsman 850 X2 2011