Allen SB-05 Smart Suction Go Compact 1-Bike Roof RackThe Smart Suction Go Compact 1 Bike Rack is designed for riders who want a bike rack that feels simple, stable, and reassuring every time they use it. At the core of the system is Allens patented Smart Suction Technology, which uses high strength suction cups with integrated Bluetooth pressure sensors to continuously confirm proper attachment. The system communicates with the Allen app and alerts you only if attention is requireddelivering peace of