T-Cycle Battery Mount Frame Clamp 1.125" oversized2 then purchase a T-Cycle Battery

then purchase a T-Cycle Battery Mount STEPS Monorail (Rail Only) and a Shimano Steps E8016 Battery Controller w/o Key Cylinder Battery Cable 250mm

playing baseball

If mounting on Azub or Catrike

Since the clamp goes inward a little bit

T-Cycle Battery Mount Frame Clamp 1.125" oversized2 then purchase a T-Cycle BatteryThe heaviest duty clamp we offer! It's the clamp that holds the Battery Mounts, the SPRING Mini Fairing Mount and the WINTR Fairing Mount in place! Sporting twin 6mm bolts, this 5 8" thick beast stays where you put it and holds what you need it to hold. Made in an ever growing list of sizes, there's a clamp for nearly every tube on the market!