Alpha A2307 50mm keyless, Vertilux 55 Crown and Drive
ℹ️ Unsure which crown and drive you need? Send us a clear photo of the inside of your roller tube and we’ll confirm the correct crown and drive for you.

The Alpha A2307 50mm keyless, Vertilux 55 is a precision crown and drive set designed to connect Alpha 40mm tubular motors to 50mm straight gauge roller tubes, with compatibility for Vertilux 55mm tubing through minor modification.
When used with Vertilux 55mm tubes, only small peaks on the drive wheel need to be filed down. This adjustment typically takes less than 30 seconds and allows the crown and drive to seat correctly inside the larger tube profile.
This keyless crown and drive ensures smooth torque transfer from the motor to the roller tube, delivering quiet, stable, and reliable operation. It is suitable for both new motorised blind installations and motor upgrades where accurate tube engagement is essential.
If you are unsure whether this is the correct crown and drive for your setup, you can send us a clear photo of the inside of your roller tube and we will confirm compatibility before ordering.

Key Features
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Designed for Alpha 40mm tubular motors
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Suits 50mm straight gauge tubing
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Compatible with Vertilux 55mm tubing with minor filing
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Keyless design for clean motor integration
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Smooth torque transfer and reliable operation
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Suitable for new installs or motor conversions
Tube Compatibility
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50mm straight gauge roller tube – direct fit
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Vertilux 55mm tube – requires minor filing of drive wheel peaks
Special Care
N/A
Warranty
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