RockBros | Bicycle Tail Bag Stabilizer Kettle Holder Fixed Bracket Large Tail Bag Seat Bow Conversion Bracket /Cycling Water Cup Mount

Feature:Multifunctional--This mount can not only be used as the water bottle cage base and also is the saddle bag extension mount.Useful for bikes which have no holder or inadequate for a frame holderStrongly-gripped hinge, fix the holder tightlySuitable for varied types of bikes, including mountain bike and folding bikeConversion Bracket Material：Aluminum alloybottle holder Material：High-quality ABS*Including:Bike Conversion Bracket or bottle holder or set