Wheels Manufacturing Sealed Bearings ABEC 3 Sealed Cartridge Bearing MR 17287 17x28x7mm Steel 2pcs RT3 }Shimano 7-Speed Derailleur Pulleys Box

}Shimano 7-Speed Derailleur Pulleys Box of 10 Pairs

}Feedback Sports T-Handle Hex Wrench - 2mm

}Muc-Off Rim Tape 10m Roll - 25mm

6061-T6 forged hub shell (same as the Surly New)

Must purchase battery charger and power cable to complete the systemDi2 Battery battery charger and power cable are universal between Dura-Ace 7970 and Ultegra 6770 Di2 systems

Wheels Manufacturing Sealed Bearings ABEC 3 Sealed Cartridge Bearing MR 17287 17x28x7mm Steel 2pcs RT3 }Shimano 7-Speed Derailleur Pulleys BoxThe 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