Cassette Lock Ring is made of high-strength 7075 aluminium alloy, durable and corrosion resistant with good thermal conductivity.
The bicycle flywheel ring cover is compact and easy to use, without removing the chain, which can provide you with great convenience.
Made after CNC cutting, angular, possess high strength, locking does not fall off.
It is so lightweight for your bike, so you could get relaxed cycling feeling with it.
Package includes 2 pcs 11T cassette lockring.