LZ’s Tech FAQ: Technical FAQ: Tons of Campagnolo questions – Campy EPS V2 requires a hole drilled in the frame for the V2 charger port. Photo: Lennard Zinn | VeloNews.com Dear Lennard, I have first-generation Campagnolo Record EPS on my bike. It has an external battery bolted under the water bottle on the down tube. Can I switch to the internal battery and still use my existing shifters and derailleurs? — George Dear George, Yes, you can. You have Version 1, and Campagn… http://ow.ly/8K4xXN