Mountain Bike Bottle Cage

FEATURES 4 PCs SCREWS INCLUDED: The screws are standard size for water bottle mounts to most of bikes with DRILLED HOLES, and washers are suggested for tight fixing. HEAT-TREATED ALUMINIUM ALLOY: High quality material and manufacturing process for extra strength and durability combined with low weight, 2.1 oz (61g) each. EASY INSTALLATION: Use a 4mm hex key (included) to fasten cages in screw holes on frame. PLEASE NOTE-bike frame requires threaded holes for installation of cages. ADJUSTABLE: The water bottle cage has arms (adjustable) that wrap around the bottle for a secure and firm hold so you don't have to worry about it falling out during your ride. SPECIFICATIONS Material: Aluminum alloy Size: 14*10*7cm/5.5*3.9*2.8 in Screw hole distance: 6.5cm/2.6 in Color: black/silver/blue/red Package: one bottle cage OR two bottle cage+4*screws+1*wrench NOTES Please allow slight measurement deviations due to manual measurement. Due to the different monitor and light effect, t