ZTTO Bicycle Saddle Bottle Cage Extension Holder
Manufacturer: ZTTO
Material: Aluminum alloy
Fit for 42mm dual rail saddle
Weight: about 99 g
3 Installation Positions Available
You can mount one bottle cage in the middle and one other one (like internal tube / device etc )on the opposite side you might mount two bottle cages just like us
Universal design
42mm---Fit for most of saddle