This Unior Cassette Lockring Tool (and freewheel remover) is designed for removing/installing Shimano compatible gear cassette and freewheels.
Made from premium flex plus carbon steel it is strong and durable.
It is also suitable for Campagnolo cassettes & splined 12-tooth bottom bracket cups found on the square type spindle systems.
For use with a 21mm spanner or Unior 1/2" ratchet 190.1AB Wrench.
Unior Part Number: UT-616065
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