Features1 Material: Bicycle computer holder is made of plastic sturdy and durable, high strength, ligh weight, impact resistance. 2Stem Extension Frame: The stem extension frame is made of qualified plastic material, strong and durable, having long service life. 3Adjustable Position: The installation position and angle can be adjusted by itself, easy to use, providing you a good experience. 4Easy Installation: Stopwatch extension bracket is easy to install, very firm, will not be impacted when driving, and will not move at all. 5Applicable Model: Bike computer camera mount holder fits any bicycle rod and is suitable for Garmin stopwatch extension bracket. 6Product Size: Washer outer diameter is 35mm/1.4in, washer inner diameter is 25.4mm/1.0in, washer height is 15mm/0.6in. Fixed bracket size is 135x40mm/5.3x1.6in.SpecificationItem Type: Bicycle Computer Camera Mount HolderProduct Material: PlasticProduct Style: for GarminColor: As Pictures ShownWeight: Approx. 59g/1.0ozWasher Outer Diameter: Approx. 35mm/1.4inWasher Height: Approx. 15mm/0.6inBracketSize: 135x40mm/5.3x1.6inPackage List1 x Fixed Bracket2 x Washer2 x Screw2 x Wrench1 x Stopwatch Holder