—Minimalistic race mitts

this component elevates your bike's shifting responsiveness and overall ride quality

Speed 1x11 speed

For SPD-SL

shimano ultegra rear derailleur di2 spec rd r8150 12 speed sale40 —Minimalistic race mittsSHIMANO ULTEGRA Rear Derailleur Di2 RD R8150 12 speed Fastest ever rear shifting, 58% faster than RD R9150 Compact design includes an integrated wireless unit, charger, and switch LED status indicator Battery indicator Pairing Adjust mode, etc. Wider range capacity Max. low sprocket: 34T Product Description With the fastest, most accurate shifting, the new 12 speed ULTEGRA R8150 rear derailleur is more versatile than ever thanks to a single cage