Chain Guard For One Flyer B-Series

This Hesling Cortez chain guard for electric bikes from Flyer is suitable for the B series, the electric bikes from Flyer with Bosch drive system. Since it is an original Flyer spare part, the assembly is child’s play and the chain guard is 100% accurate fit.

Mounting instructions

For the disassembly of the old chain guard – Flyer B-series, the screw on the chain stay is first loosened. There is also another screw behind a clipped cover near the crank. For the removal of the ketenschutz it may be necessary to use a crank puller.