- 10x E-Bike chain specially designed for middle engine driven e-bikes such as Bosch, Panasonic and AEG, these chains have higher torsion resistance to cope with ruthless shifting and hi-torques. **Features:** * 1/2 X 11/128 - 122 Links, Pin length 5,88mm * Compatible with: any 10-speed derailleur system * Developed for Mid-motor e-Bikes * Non-Directional * Triple X-Durability * Hi-Pin Power * Hi-Torsion resistance