Wheels Manufacturing Sealed Bearings ABEC 3 Sealed Cartridge Bearing MR 17287 17x28x7mm Steel 2pcs Model=High Pressure Quick Drying Chain Degreaser Lightweight aluminum valve stems are

Lightweight aluminum valve stems are half the weight of standard brass models

CO2 cartridges sold separately

} Tough nylon composite platform

The Flow CB7 brings Stan’s patented BST tubeless system to wider carbon rims to create a new classic and one of the best all-around trail rims you can buy

Wheels Manufacturing Sealed Bearings ABEC 3 Sealed Cartridge Bearing MR 17287 17x28x7mm Steel 2pcs Model=High Pressure Quick Drying Chain Degreaser Lightweight aluminum valve stems areThe Wheels Manufacturing sealed bearing units are very first quality replacement part, and fit most hubs currently in use. TECH SPECS Bearing Dimensions 12x28x7mm Material Steel Number MR 17287 Bearing Grade ABEC 3