The Estes BT5–BT55 Centering Rings assortment is a must-have accessory for model rocket builders. With 26 total rings in five popular sizes, this pack gives you flexibility and convenience when constructing engine mounts for a wide variety of rockets. Whether you’re building from scratch or modifying an existing kit, these rings provide a dependable way to align your motor mount inside the body tube.
Precision and Stability
Engine alignment is critical for reliable flights. These centering rings are designed to fit BT5, BT20, BT50, and BT55 body tube sizes, ensuring your motor mount sits straight and secure. That means your rocket will launch with the proper balance and stability needed for safe, consistent flights.
Durable Construction
Made from quality cardstock, these rings are lightweight yet strong enough to withstand repeated launches. Their durability makes them a smart choice for long-term use, whether you’re experimenting with custom designs or enhancing a proven kit.
Versatile Applications
This set is perfect for hobbyists who enjoy customizing rockets or creating scratch-built designs. With multiple sizes included, you’ll always have the right centering ring available for your next project. Keep them in your workshop as a go-to supply for engine mount building, repairs, or upgrades.
