Rear Der Shimano RD-R8050 Ultegra Di2 GS 11Speed Shadow Grey MPFN-16178 Compatible with 4-arm crank design

Compatible with 4-arm crank design

Wolf Tooth Performance Headsets are machined out of aircraft grade aluminum and assembled with Black Oxide Cartridge Bearings balancing quality and price

By bridging the center ridge the tread remains supported through it’s useful wear life

4 Rear Rim - 700 Disc 24H Black

Rear Der Shimano RD-R8050 Ultegra Di2 GS 11Speed Shadow Grey MPFN-16178 Compatible with 4-arm crank designShimano Ultegra RD R8050 GS Di2 Rear Derailleur 11 Speed Medium Cage Black. The Shimano Ultegra R8050 11 speed rear derailleur focuses on stress free operation in order to provide all day riding comfort with braking and shifting. TECH SPECS Cage Length Medium Chain Wrap Capacity (teeth) 39 Color Black Drivetrain Speeds 11 Largest Cog 34 Rear Der Shifter Compatibility Shimano Road Di2 Rear Derailleur Mount Type Shimano Rear Direct Mount Rear Derailleur