" Specials " Handlebar Stem Bicycle Reverse Components E-XC 6° 60mm Ø31,8mm Black / Grey E-Series specifically designed for Ebikes If you want to make the seating position more ergonomic on your e-bike and do not want to compromise on safety and quality, this cold-forged stem is the perfect choice! The stems of the E-XC series have been tested and certified according to the "EFBE EPAC MTB-XC Tri-Test" and can be mounted on all types of E-bikes.