Featuresr adjustable length from 50mm to 100mm fit for 36 62 inch phone or electronic devices such as for iphone 7 for iphone 7 plus gps and so onr four claw design firmly lock the phone prevent it from dropping when riding on tough roadsr adhesive glue padding protects your cellphone from impactsr cnc aluminum alloy construction lightweight and durable to user suitable for 318 handlebar use spacer for 254mm handlebar