Supplement the motor or communication cable of your PL 350HT or PL 250HT and other BionX kits.
For bikes with unusual geometry or long cable runs, such as tandems, recumbents, and cargo bikes.
Downtube-mounted BionX kits include a motor cable of 17 in (440mm).
Rack-mounted BionX kits include a motor cable of 21 in (520mm).
Refer to this Bionx Wire Harness Sizing Guide to determine what length you will need.
You may also require a Bionx Communication Cable Extension.