CushCore Plus Tire Insert - 27.5"+ Single CheckoutSpec= Garmin/ WAHOO Its engineered to hold bottles

Its engineered to hold bottles securely

8 mm seat posts

Color Black Defined Color Black ISO Diameter 406 / 20" BMX Labeled Size 20 x 2

As secure as a comparable U-Lock but with a more compact design

Label is tagless

CushCore Plus Tire Insert - 27.5"+ Single CheckoutSpec= Garmin/ WAHOO Its engineered to hold bottlesCushCore is an engineered foam insert to be mounted inside a tire designed to absorb impacts reduce vibration and increase lateral stability. These characteristics translate to a more controlled comfortable and faster ride. The system is designed to be used with tubeless ready or tubeless converted rims and tires and is compatible with tubeless tire sealants The insert divides the inner volume of the tire in half maintaining air underneath the tread