Give your gear the protection it deserves. This secure storage bag lets you take what you want with you no matter where the trail leads. Cutting-edge Lock Ride technology makes installation and removal a breeze, all without the need for tools. This bag also works with or without the M2 Passenger seat installed so it incorporates seamlessly with your sled regardless of how you choose to ride. This Accessory is Designed to Fit the Following: Snowmobiles , 2024-2026 ProStar S4 INDY Adventure 137 , 2024-2026 650 INDY Adventure 137 , 2023 ProStar S4 INDY Adventure X2 137 , 2023 650 INDY Adventure X2 137