L101 17mm Ball Head Plastic+Metal Mount Base Phone Holder Accessory for Bike Motorcycle Stroller

• 17mm universal ball head, suitable for most phone holders
• Supports more than 95% of bicycles, electric bikes, motorcycles, strollers, treadmills and other equipment
• Universal adjustment, horizontal and vertical adjustment, flexible and firm, easy to get a comfortable viewing angle

Specification: 

• Ball head diameter: 17mm
• Material: plastic+metal
• Suitable tube diameter: 3-50mm