Shimano Ultegra CS-R8100 11-34 12 Speed

The Shimano Ultegra 12-speed hyperglide+ racecassette is designed for smooth switching and optimum efficiency while cycling on the road. With the refined 12-step gear combination, this cassette offers maximum acceleration performance in every racing situation. Switching is fast and smooth, even under maximum pedal power. This cassette is suitable for both 12-speed and 11-speed racing free hews. The Ultegra CS-R8100-12 Cassette has an average weight of 291 grams (11-30t) or 345 grams (11-34T) and is the new benchmark for switching on the road. Product specifications-Model: CS-R8100-12-Series: Ultegra R8100 Series-Average weight: 291 (11-30t) 345 (11-34T)-Combination: 11-12-13-14-15-16-17-19 -21-24-27-30t | 11-12-13-14-15-17-19-21-24-27-30-34T-Combination name (group name): 11-30t 11-34T-Type: Hyperglide +-Compatible chain: HG 12 speed-Gears Back: 12 - Aluminum leaf_: 0 - Aluminum spinarm_thal (st.): 2 - Spline Type_HG Spline L2 (Road 12 -speed dedicated): yes - steel leaf_ -number (st.): 12 - Titanium leaf_stal (st. ): 0