- Aluminum carrier for 3 largest cogs
- Nickel plating increases durability
- Drilled out cogs help reduce weight
- Includes lockring
- Shimano Reference Number: CS-6700
- Aluminum carrier for 3 largest cogs
- Nickel plating increases durability
- Drilled out cogs help reduce weight
- Includes lockring
- Shimano Reference Number: CS-6700
