Cane Creek 40-Series IS Headset Size:Tall Provides extra protection against dust

Provides extra protection against dust and spills

Smooth rolling integrated wheels

you can use each earbud separately

apps can fill the space around you

Outer packing size (length×width×height):

Cane Creek 40-Series IS Headset Size:Tall Provides extra protection against dust40 Series Represents the Perfect Balance of Performance, Durability and Value 6061 T6 Aluminum Cover Innovative Clip Seal Seals the Top Assembly and Captures the Compression Ring Interlok Spacer Compatible Sealed Black Oxide Steel Cartridge Bearing Consistent Stack Heights Across 10, 40 and 110 Series Internal Parts Are Cross Compatible Across 10, 40 and 110 Series