The bottle holder openings in the frame can be shifted by 1.5 to 4.5 cm using the universal CAGE SHIFTER slider. The practical adapter made of lightweight polycarbonate is discreetly integrated into the frame thanks to its flat design. Once installed, the bicycle bottle cage can be easily attached to the CAGE SHIFTER frame using two screws.Universal mounting system almost anywhere on the bikeIn addition, the soft plastic side brackets provide additional mounting options almost anywhere on the bike. Thanks to the bike's paint-friendly Velcro strips (included in the package), not only bottle cages, but also spare inner tubes, tools, pumps, etc. are secure. can be mounted almost anywhere on the bike.- Adapter for moving bottle cage holes- Flexible mounting system thanks to side brackets- Rubberized Velcro straps- Made of lightweight polycarbonate- Made in Germany- Weight 56 g