1. Applicable ModelsMotorcycle Cup Holder for BMW G310GS G310 GS G 310 GS. Suitable for 15mm 33mm handlebars, bumpers, frames, and round tube diameters. 2. Excellent MaterialMotorcycle cup holder is made up of aluminum alloy and high strength nylon glue material, it's solid, durable and long lasting, which is not easily damaged, light weight and easy to carry. The full wrap frame holds your cup tightly and won't bounce up and down and slide around or fall off while going over rough terrain. This ensures that the holder can withstand the rigors of outdoor use without compromising its structural integrity. 3. ProtectionThe arms of the motorcycle bottle cage wrap around the bottle, ensuring a secure fit so you don't have to worry about the bottle falling out while riding. The rod clamp has a full range rubber pad, keeping it firm and secure even on bumpy roads, and this motorcycle cup holder can accommodate various sizes of water bottles, coffee cups, bottles, etc. For ultra long rides, this keeps you well hydrated. 4. This Motorcycle water bottle cage can be installed in just a few seconds. Comes with tools for easy and quick installation or removal. 360 degree rotation design even makes it compatible with different angles of handlebars, suitable for more scenarios(Motorcycle handlebar, bicycle handlebar). This bottle holder is the companion for all your city rides and outdoor adventures.