am rear shock air can service kit basic monarch b1plusxxrl c1 rrt3 d1The RockShox AM Rear Shock Air Can Service Kit Basic is a basic service kit for the RockShox Monarch B1 (Plus, XX, RL), C1 (R, RT3), and D1 (2014+) rear shock. Contains sealant and oil to ensure smooth shock operation and extend its life. Regular maintenance helps maintain optimal suspension performance and sensitivity . Product features: Compatibility fits models: RockShox Monarch B1 (Plus, XX, RL) RockShox Monarch C1 (R, RT3) RockShox Monarch D1