Quad Lock Bicycle Handlebar/Stem Mount The Quad Lock Bicycle Handlebar/Stem Mount keeps your phone secure during rides and ensures easy visibility of navigation apps, so you never miss a turn. Its patented dual stage locking mechanism allows for effortless attachment and detachment of your phone by simply twisting and locking it in one motion. Compatible with all Quad Lock cases and Universal Adaptor. Features: Low-profile mount for a discrete look Patented dual stage locking mechanism Easy attachment/detachment from phone case Glass filled Nylon/polycarbonate construction and stainless steel hardware Mount fits 25-40mm diameter bars Dimensions: 23.3mm H x 35.5mm W Includes: 1 Bike Mount, Mounting hardware, 2 Epdm mounting o-rings (small), 2 Epdm mounting o-rings (large), 2 Nylon zip ties Note: Quad Lock Case sold separately.