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- |_ Body Tubes->
- |_ Centering Rings->
- |_ BT10.5 Centering Rings
- |_ BT-5 Centering Rings
- |_ BT-20 Centering Rings
- |_ BT-50 Centering Rings
- |_ BT-55 Centering Rings
- |_ BT-60 Centering Rings
- |_ BT-70 Centering Rings
- |_ BT-80 Centering Rings
- |_ 29mm Centering Rings
- |_ 2-inch Centering Rings
- |_ 2.5-inch Centering Rings
- |_ 3-inch Centering Rings
- |_ 4-inch Centering Rings
- |_ Motor Thrust Rings
- |_ Centering Ring Assortments
- |_ All Centering Rings
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New Products [more]
Phantom (Non-Flying) Model Rocket Kit
$22.99
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Artemis 1 / SLS Scale Model Rocket Kit
$89.99
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BT-20 Centering Rings
Centering Rings for BT-20 body tubes and motor tubes
CR520
Centering Ring - BT-5 in BT-20 (18mm Thrust Ring)
A paper centering ring for centering a BT-5 (13mm motor tube) in a standard BT-20 body tube. This is also used as an 18mm motor thrust ring or engine...
Model: CR520
98 Units in Stock
$0.25
In Stock: 98
CR2050
Centering Ring - BT-20 in BT-50 (24mm Thrust Ring)
This is a standard paper centering ring for centering a BT-20 (18mm motor) tube in a BT-50 tube. This part is often used to create an 18mm motor...
Model: CR2050
87 Units in Stock
$0.25
In Stock: 87
CR2050-L
Centering Ring - BT-20 in BT-50 (Long)
A one-inch long thick paper coupler which can be used to center a standard BT-20 body tube in a BT-50 tube.
Model: CR2050-L
9 Units in Stock
$0.39
In Stock: 9
CR2055
Centering Ring - BT-20 in BT-55 - Model Rocket Part
A fiber centering ring for centering a BT-20 (18mm motor tube) inside a standard BT-55 tube.
Model: CR2055
26 Units in Stock
$0.25
In Stock: 26
CR2060
Centering Ring - BT-20 in BT-60 (Fiber) - Model Rocket Part
A fiber centering ring for centering a BT-20 (18mm motor tube) in a standard BT-60 body tube.
Model: CR2060
17 Units in Stock
$0.30
In Stock: 17
CR2070
Centering Ring - BT-20 in BT-70 - Model Rocket Part
A fiber centering ring for centering a BT-20 (18mm motor tube) in a standard BT-70 body tube.
Model: CR2070
31 Units in Stock
$0.35
In Stock: 31
CR2080
Centering Ring - BT-20 in BT-80 - Model Rocket Part
A fiber centering ring for centering a BT-20 (18mm motor tube) in a standard BT-80 body tube.
Model: CR2080
42 Units in Stock
$0.45
In Stock: 42
PCR3x2080
Centering Ring - 3xBT-20 in BT-80 (Plywood ) - Model Rocket Part
This is a plywood centering ring for centering three BT-20 body tubes or motor tubes in a BT-80 body tube.
Model: PCR3x2080
50 Units in Stock
$1.39
In Stock: 50
PCR2055
Centering Ring - BT-20 in BT-55 (Plywood)
This light plywood centering ring centers a standard BT-20 body tube in a BT-55 tube.
Model: PCR2055
8 Units in Stock
$0.35
In Stock: 8
PCR2060
Centering Ring - BT-20 in BT-60 (Plywood) - Model Rocket Part
This is a plywood centering ring for centering a standard BT-20 body tube in a BT-60 body tube.
Model: PCR2060
17 Units in Stock
$0.79
In Stock: 17











