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

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

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

The FAZUA Remote bX is the remote for all those who are looking to control their drive system from the handlebars

Shimano Zinc Derailleur Cables

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