Feature:1. Purpose:It is used to solve the problem of the brake mismatch after the wheel is enlarged.2. The main material:excellent aluminum alloy material, durable.3. Product size:about 42x25x9mm.4. Product color:a variety of colors are available: black, red, gold, silver, colors.5. Applicable:frame or front fork, the diameter of the V-brake mounting base is 10mm (part of the front fork V-brake mounting base is 8mm, which is not available).Specification:Origin: CN(Origin)Components: OtherBraking System: V Brake (Friction Wheel Brake)Model Number: V Brake ExtenderMain body material: aluminum alloyProduct color: black, red, gold, silver, colorsProduct size: about 42x25x9mmProduct net weight: about 55gExtension distance: 22mmApplicable: frame or front fork, the hole diameter of the V-brake mounting base is 10mm (part of the front fork V-brake mounting base is 8mm, not available)Uses: When changing the small wheel to the big wheel, the position of the brake seat is not high enough to cause the brake pad to reach the rim, such as 14 to 16 inches, 16 to 18 inches, 18 to 20 inches 406, 20 inches to 406 451 wheel setNote:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!Please allow 1-2cm measuring deviation due to manual measurement.Packages:1 set xV brake extension