Ultegra RX RD-R8150 Di2 12 Spd. Rear fits all e-Tube Di2 groups

fits all e-Tube Di2 groups

YONEX original rough braided fibre and a special nylon coating provide maximum bite on the shuttle for enhanced hairpin net shots and cuts

left-hand loading on the seat tube

Once the basket is empty

Ultegra RX RD-R8150 Di2 12 Spd. Rear fits all e-Tube Di2 groupsNow 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. Our fastest ever rear shifting, 58% faster than RD R9150 Compact design