The Astrum SH300 is a universal motorcycle and bicycle mobile mount engineered for riders who need secure, instant access to their smartphones on the road. Featuring an ultra‑lock ring mount with 3M twist‑strong adhesive, it attaches firmly to any smartphone, ensuring your device stays connected and stable even on rough terrain. The 360° rotatable ball head allow you to tilt, swivel, and adjust your phone to any viewing angle perfect for navigation, ride tracking, or hands‑free communication. Built with a steel‑reinforced clamp, durable PA+TPU materials, and IP66 weatherproofing, the SH300 withstands vibration, rain, dust, and extreme temperatures. Its quick‑release mechanism and secure handlebar clip make installation effortless on motorcycles, bicycles, scooters, strollers, and more. Designed for professional riders and outdoor adventurers, the SH300 delivers unmatched stability, durability, and convenience. Key Specifications Universal mobile holder for all smartphones Ultra‑lock ring mount with strong 3M adhesive 360° rotatable ball head for adjustable viewing Quick‑release detachable mount Steel + ABS clamp for vibration resistance IP66 weatherproof construction Fits motorcycles, bicycles, scooters, strollers 24‑month manufacturer warranty Technical Details Feature Details Model SH300 Compatibility Universal (all smartphones) Rotation 360° adjustable angle Installation Diameter 22mm / 25.4mm / 32mm Waterproof Level IP66 Working Temperature –40°C to +60°C Humidity Resistance 90% Materials PA + TPU + Steel + 3M Adhesive Dimensions 65 × 90 × 55 mm Weight Approx. 160g Warranty 24 Months What’s in the Box 1 × Bike Smart Mobile Holder (SH300) 1 × Assembly Tools 1 × User Manual