31mm is to be used for all pre-3

Improve your 11-speed range with a SunRace 11-speed cassette

Weight - 385g (30

If you've ever experienced a failing dropper post

Available in the common standards

Park SR-2.3 Chain Whip Dropship 31mm is to be usedThe Park SR 2. 3 chain whip offers incredible leverage without the worry of slippage. The curved head allows for quick and accurate access to any cassette or freewheel. It features hardened bolts and a replaceable chain, so it might even out last you. Who's this for: Perfect for any mechanic from the at home weekender to shop level pros. Cassette compatibility: It is compatible with all cassettes or freewheels from 5 12 speed. Materials: Features a