Donemore Bike Mount Attached to Out Front Stem Handlebar, Bike Bicycle Bracket Handle Bar GPS Computer Mount for GPS Description: new and Computer sits slightly lower than of handle bars giving the user ergonomic visual of the display; while keeping their eyes on the road or Compatible for 200, 500, 800 For bryton rider for 20 30 40 31.8mm bar clamp diameter 1/4 turn for mount/dismount T25 Style:Fits For Road Bike. Material: Plastic Size(L*W):11.4cm x 4cm / 4.45'' x 1.56'' (approx) Color:Black Quantity: 1 pc(other accessories in the picture is not included.) Note: Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 X Bicycle Quick View Computer Mount 31.8 1/4 turn for mount/dismount T25 Style:Fits For Road Bike. Donemore Bike Mount Attached to Out Front Stem Handlebar, Bike Bicycle Bracket Handle Bar GPS Computer Mount for GPS Description: