2pairs Aluminum Alloy Bicycle Expansion Handlebar Plug

1. Material: aluminum alloy
2. Applicable: 16-21mm inner diameter handlebar
3. Screw specification: M4x34 mm
4. Dimensions: diameter 23.5 cm, lower end 15.8 cm
5. Weight: 21g/pair

Set contains:
- Expansion Tube x 1
- Aluminum alloy cover x 1
- Hexagon socket x 1