CYC E-Bike Mid-Drive Freewheel 2.0 Upgrade for X1 Pro Gen 4/3 & X1 Stealth Gen 3 2 year manufacturer's warranty /

2 year manufacturer's warranty / battery 1 year

1x X1 Pro Gen 4 motor

8 M4 fixing holes

Designed with an ergonomic

or motor controller to monitor rotational speed

CYC E-Bike Mid-Drive Freewheel 2.0 Upgrade for X1 Pro Gen 4/3 & X1 Stealth Gen 3 2 year manufacturer's warranty /PLEASE NOTE THIS FREEWHEEL IS ONLY COMPATIBLE WITH 219H SPROCKET 2. 0 VERSION. The Freewheel 2. 0 is designed to upgrade your CYC e bike crankset, providing smooth and reliable drivetrain performance. When paired with the 219H Chain Sprocket 2. 0, it ensures complete drivetrain enhancement for X1 Pro and X1 Stealth kits. Compatibility X1 Pro Gen 4 X1 Pro Gen 3 X1 Stealth Gen 3 X1 Pro and X1 Stealth Gen 1 & Gen 2 (with Freewheel 2. 0 upgrade)