●Stem extension with safety level 4: now even more stable and suitable for e-bikes (max. Total weight: 140 kg ●Bicycle fork extension – includes 5 spacers (1 x 8 mm / 4 x 5 mm) ●Aluminium ahead adapter for 1 1/8 inch ●Ahead stems with optional 51 / 58 / 63 / 68 / 73 and 78 mm rise ●Please note that the fork shaft length of your bike is at least 38.0 mm.