1. DRIVEN CAPTIVE AXLE BLOCK SLIDERS YAMAHA YZF-R3 15-21
Highly recommend this. Easy to install and adjust. This make a track side wheel change a lot easier. Get this and the Driven Captive Wheel Spacers, and you can swap wheels in no time.
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Driven Racing captive axle blocks are machined out of 6061 alloy using a 3D tool path. They are design to allow a wheel change without having to hold the axle blocks by hand.
They are a very useful part to anyone track riding, racing or anyone who works on their bike.