Ultegra Di2 RD-R8150 12 Spd. Abus Compatible with Red

Compatible with Red

the durable

Hand Wash Only

GX provides the widest 2x11 gear range available

Height adjustment collar features accessory ports for compatibility with the #106 Work Tray or PTH-1 Paper Towel Holder (both sold separately)

Ultegra Di2 RD-R8150 12 Spd. Abus Compatible with RedNow 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. FEATURES Our fastest ever rear shifting, 58% faster than RD R9150Compact