Product name :FOR Smarttag2 bicycle fixed frame Product size: 4.6×3.8×5.6CM/1.81*1.5*2.2in Product color: Black, white Product weight: single piece gross weight about 50g Material: 3D printing Applicable model: FOR Smarttag2 Description: FOR Smarttag2 fixed stand 32mm bike fork, fixed mount on bike MTB fork. Safe, fast and concealed fixing system for mounting air tags or other positioning systems on 32mm forks of bicycles/e-bikes. The cap is a tapered thread through which it firmly holds the device to the bike fork. This reduces the risk of loss due to shocks. The threaded pneumatic tag fastening system holds the device well within the fork and does not move during impact. Attention: 1. Due to different display and lighting effects, the actual color of the item may be slightly different from the color shown on the picture. Thank you very much! 2. Please allow measurement deviation due to manual measurement.