FMFXTR Bicycle Handlebar Diameter 25.4mm to 31.8mm Reducing Sleeve, Reducing Sleeve Black

1. Material: aluminum alloy
2. Purpose: bicycle handlebars change diameter from 25.4mm to 31.8mm
3. Aluminum alloy material, strong and durable, not easy to rust
4. Internal groove design, non-slip and stable
5. Weight: about 10g/pc
6. Size: about 4.1x3.2cm/pc