PROMEND FJJ-280 Aluminum Alloy Bicycle Adapter Seat for Bottle Cage, PROMEND FJJ-280

1. Material: aluminum alloy
2. It can be adjusted by 360 degree rotation
3. Suitable for round pipes in the range of 21-34mm
4. The distance between the mounting holes for bottle cage is 65mm
5. Dimensions: 70x83x24mm
6. Weight: about 85g