Net weight: 96.6g Mounting hole distance: 12.85MM for 3 hole mounting Suitable for bicycle front bag mounting bracket, you can use calipers to measure the centre distance of the screw mounting holes of the existing frame, and then purchase, the error of about 0.3MM is no problem, can be installed normally. Function: Foldable Model Number: For Front Carrier Bag Adapter color:Black Material:aluminum alloy size:52 x 65 x 70mm Package Contents: 1 x Front Carrier Bag Carrier Block Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.