The RS21 Triai2R 3CR Trunnion from Suntour is a highly advanced rear shock absorber designed specifically for demanding applications in downhill, freeride, and enduro riding, as well as for e-bikes. With an innovative "piggyback" chamber design, this shock offers enhanced performance and adaptability to meet the varying needs of riders. The piston compensation system (PCS) ensures consistent damping and stability, while the various adjustment options allow for personalized tuning to different riding conditions. The shock is designed to be compatible with a wide range of frame sizes, making it a versatile choice for different bike models.

• Three compression settings: open, 40% lockout, 80% lockout
• Eight rebound positions for precise adjustment
• Adjustment of air volume in positive and negative chambers
• Compact design for greater compatibility with various frame sizes
• Compatible with DUROLUX, AURON, and AION forks.