Ultegra Di2 RD-R8150 12 Spd. Glue FEATURES :

FEATURES :

the word Diamond itself comes from the Greek word "adamas

HiPER lens options available

Telescoping arm adjusts from 5" to 8"

The Aeroclub series are the ideal shuttlecocks for both practice and tournament

Ultegra Di2 RD-R8150 12 Spd. Glue FEATURES :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. FEATURES Our fastest ever rear shifting, 58% faster than RD R9150Compact