About this item:
- Cog Sizes: 11 – 25 t, 11 – 28 t, 11 – 30 t, 12 – 25 t, 12 – 28 t
- Cog Material: [five largest cogs] titanium, [six smallest cogs] nickel-plated Cro-Moly
- Carrier Material: carbon fiber, alloy
- Claimed Weight: [11-25 t] 175 g, [11-30 t] 211 g
- Recommended Use: cycling
