Professional Thicken Knee Guard Size:M this electric commuter bike is

this electric commuter bike is capable of achieving 25-30 miles in full electric mode and 40-50 miles in pedal assist mode (PAS mode)

Wattage: 200 - 250w

Is the gurantee of long distrance ride 100-120km

A Smooth and Steady Ride –High-grade urethane wheels on high-speed bearings let you stay smooth

Professional Thicken Knee Guard Size:M this electric commuter bike isSPECIFICATIONS Age: Above 13,Adult Brand Name: NoEnName_Null Category: Roller Sports Protectors Craft of Weaving: Not clothing or textiles Gender: Women,Men Hign concerned Chemical: None Material: Plastic,Polyester Cotton Model Number: sport protector Origin: Mainland China Size: S,M,L Whether with hard protective gear: Yes Size chart(cm) Knee pad Length Width Knee circumference S 25 15 34 42 M 27 16 38 48 L 29 17. 5 42 50 Elbow pad Length Width Elbow