Shimano Shimano Ultegra R8150 Di2 rear derailleur

Rear derailleur. 2x12-speed. Now simplified with a single derailleur cage length, the new 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 new 12-speed ULTEGRA R8150 rear derailleur is more versatile than ever thanks to a single cage length option that is compatible with 28-34T low sprockets

• Compact design includes an integrated wireless unit, charger, and switch
• LED status indicator
• Battery indicator
• Max. low sprocket: 34T
• Average weight: 262 g
• Mount: Direct Mount     ✔
• Max. front difference: 16T
• Total capacity: 39T
• Low sprocket Max.: 34T
• Low sprocket Min.: 30T
• Top sprocket Max.: 14T
• Top sprocket Min.: 11T
• Pulley Teeth: 11
• SD300 port
• Charging port (pcs)     1
• Charging cable: EW-EC300