Shimano Ultegra R8150 Di2 Axle Bracket Unit – Black

Shimano Ultegra RD-R8150 Di2 Rear Derailleur - 12 Speed - Black / 12 Speed

Now simplified with a single derailleur cage length, the 12-speed Shimano Ultegra R8150 rear derailleur packs our fastest, most precise shifting into a more approachable option.   With our fastest, most accurate shifting, the 12-speed Ultegra R8150 rear derailleur is more versatile than ever thanks...

Shimano Ultegra RD-R8150 Di2 Rear Derailleur - 12 Speed - Black / 12 Speed / Direct Mount

Now simplified with a single derailleur cage length, the 12-speed Shimano Ultegra R8150 rear derailleur packs our fastest, most precise shifting into a more approachable option.   With our fastest, most accurate shifting, the 12-speed Ultegra R8150 rear derailleur is more versatile than ever thanks...

Shimano RD-R8000 Ultegra 11 Speed Rear Mech

Ultegra Shadow design rear derailleur with wide link design gives quick accurate shifts and excellent drivetrain efficiencyKey Features:Sleek appearance with Low profile Shadow design construction reduces risk of damage in a crashWide outer link plates increase pivot joint rigidity to reduce shifting...