Secure connection. Proper alignment. Essential replacement hardware. Set of 4 replacement socket-cap screws designed to connect the reduction gearbox to the 90-degree gearbox on standard STACYC 12eDrive and 16eDrive models.
“Small screws play a big role in keeping your STACYC drivetrain properly assembled.” Missing, damaged or worn gearbox hardware should be replaced with the correct fasteners.
Why replace reduction gearbox screws?
Secure connection: helps keep the reduction gearbox firmly attached to the 90-degree gearbox
Correct replacement: designed for this specific gearbox connection
Drivetrain maintenance: replaces missing, damaged or worn mounting hardware
Convenient set: includes all 4 socket-cap screws for this mounting location
Compatibility
✔️ STACYC 12eDrive – Brushed motor
✔️ STACYC 12eDrive – Brushless conversion
✔️ STACYC 16eDrive – Brushed motor
✔️ STACYC 16eDrive – Brushless motor
❌ Not compatible with STACYC 16eDrive Elite / 18eDrive / 20eDrive
Key Features
Set of 4 replacement socket-cap screws
Connects the reduction gearbox to the 90-degree gearbox
Designed for standard STACYC 12eDrive and 16eDrive configurations
Suitable for compatible brushed and brushless motor setups
Ideal for gearbox servicing, maintenance and hardware replacement
Use & Installation
Replace missing, damaged or worn reduction gearbox screws
Use when servicing or reassembling the gearbox assembly
Compare the replacement screws with the original hardware before installation
Confirm the correct mounting location before tightening
Important: these screws connect the reduction gearbox to the 90-degree gearbox. They are different from the screws used to attach the 90-degree gearbox to the frame or the motor-mount plate to the gearbox.
Mechanical tip: use the correct tools and follow the manufacturer's tightening specifications. Avoid overtightening or damaging the gearbox threads.
Need the Complete Screw Kit?
Performing a larger STACYC rebuild or maintenance job? The complete H&S screw kit includes hardware for the motor, gearbox, footrest, sprocket, covers and chain guard.
