Plastic Mountain Bike Headset Cover Stopwatch Conversion Seat for Garmin Bryton Specifications: The stopwatch conversion seat is made of high quality ABS plastic, which is durable and solid for long term use. It is the perfect replacement part for mountain bike, easy to install or remove. This conversion seat has wide compatibility, suitable for various bicycles. Item Name: Stopwatch Conversion Seat Material: ABS Plastic Compatibility: G is for Garmin, B is for Bryton, W is for WAHOO Features: Durable, Easy to Install, Bicycle Accessories Size Details: W: Distance Between Holes: 22mm/0.87", Diameter: 33.7mm/1.33", Thickness: 6mm/0.24" (Approx.) B: Distance Between Holes: 22mm/0.87", Diameter: 33.7mm/1.33", Thickness: 6.7mm/0.26" (Approx.) G: Distance Between Holes: 22mm/0.87", Diameter: 33.7mm/1.33", Thickness: 5.7mm/0.22" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Stopwatch Conversion Seat 2 x M3 Screw