Quad Lock Stem Cap Mount Clean cockpit. Secure hold. Zero compromise. The Quad Lock Stem Cap Mount installs between your bicycle's stem and stem cap, keeping your phone up front without eating up handlebar space. Forged from aircraft-grade aluminum and precision CNC-machined, it's Quad Lock's lightest and strongest bike mount. The patented dual-stage twist-and-lock mechanism holds your phone securely on any terrain, while the dual-sided reversible head lets you dial in the ideal viewing angle. The Fixed version suits standard stem angles (+15deg to -15deg) on road, gravel, and mountain bikes. The Adjustable version handles more upright stems (+15deg to +55deg), making it the go-to for mountain bikes, commuters, and e-bikes. Requires a Quad Lock-compatible case or adapter (sold separately). Features Forged aircraft-grade aluminum construction, precision CNC-machined and black anodized for a lightweight, durable, and sleek minimalist aesthetic Patented dual-stage twist-and-lock mechanism keeps your smartphone locked down securely, even on the roughest terrain Dual-sided, reversible head design lets you mount the lever on either side of the arm for a flexible, optimized phone viewing position Installs between the stem and stem cap for a clean, clutter-free cockpit without sacrificing handlebar space Fixed version accommodates standard stem angles from +15deg to -15deg - compatible with most road, gravel, and mountain bikes Adjustable version features a screw-tightened hinge to accommodate upright stem angles from +15deg to +55deg - ideal for mountain bikes, commuters, and e-bikes Includes 5mm headset spacer and 3mm Quad Lock 360(TM) Index Mount Spacer for easy fitment fine-tuning Quick attach/detach for fast access to your phone without stopping your ride | Quad Lock | Stem Cap Mount | Black | Fixed