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.
weight | 262g |
capacity | 39t |
low sprocket min/max | 28t/34t |
max front difference | 16t |
Weight | 262g |
Capacity | 39t |
Low sprocket min/max | 28t/34t |
Max Front Difference | 16t |