Guerila Gravity Megatrail V1 bearing kit includes 8 PCS VARIOUS ENDURO MAX SEALED CARTRIDGE BEARINGS, SOME ANGULAR CONTACT, SOME RADIAL, SOME WITH SPECIAL EXTENDED RACES. This is the first version of the Megatrail. Please examine the frame picture on this page. A version 2 followed this frame, and then the "Revved" version after that.