This item may be available in a different size, colour, scent, version or platform:
SKS Bottle Cage Adapter
Perfect for frames without water bottle mounts
Angle adjustment for optimal alignment
Quick-release mount provides a secure fit
Durable nylon and plastic construction
Fits 0.5 -- 1.5" tubing
Quench your thirst anyway you want with the SKS bottle cage adapter. It mounts a water bottle cage to your seatpost, stem, top tube or anywhere else on your bike. Adjust the angle to your liking, insert your water bottle and you're ready to go.