Stacyc Replacement Rear Freewheel 18T 18/20eDRIVE

STACYC Replacement Rear Freewheel – 18T (18eDRIVE / 20eDRIVE)

Keep your drivetrain running smoothly with the STACYC Replacement Rear Freewheel (18T), designed for 18eDRIVE and 20eDRIVE models. This component mounts to the rear wheel hub and allows the bike to coast freely while engaging the drivetrain when power is applied.

As an OEM replacement, it ensures proper fitment and reliable performance—restoring smooth pedaling, consistent engagement, and overall ride quality.

Key Features:

• Fits STACYC 18eDRIVE and 20eDRIVE models

• 18-tooth rear freewheel (standard gearing)

• Allows coasting while disengaging drivetrain

• OEM replacement for exact fit and compatibility

• Durable steel construction for long service life

• Thread-on design for easy installation

Function & Performance:

• Engages when throttle/motor applies power

• Free-spins when coasting (no pedal drag)

• Works with chain and front sprocket to transfer power

The 18T size provides a balanced setup, pairing well with stock front sprockets for smooth acceleration and manageable speed

When to Replace:

• Clicking or skipping under load

• Freewheel not engaging properly

• Excessive noise or rough rotation

• Visible wear on teeth

Good to Know:

• Installs by threading directly onto the rear hub

• Compatible with standard STACYC drivetrain setups

• Often replaced alongside the chain for best performance

A small but critical drivetrain component—this 18T rear freewheel keeps your STACYC rolling smoothly, efficiently, and reliably on every ride.