1 ounce

Rad Runner 1. Rad Power E-Bikes Models that work with my keys…. Rad Runner 2. Rad Runner Plus (+). Rad Expand. The battery above on the left (semi-integrated) is installed on Rover 6+ and City 5+ and Rad Runner 3+ (and other RAD models) which use the newer semi-integrated batteries and will NOT work with the blank key here.