Shimano CUES RD-U6020 10 Speed Rear Derailleur GSDA The torx head bolts are

The torx head bolts are installed using a permanent thread-lock compound

Anti-slip surface

5 m magnetic lead wires included

Clean cockpit: Wireless connection enhances the aesthetic of your bike while keeping shifting lightning fast

Highly water resistant

Shimano CUES RD-U6020 10 Speed Rear Derailleur GSDA The torx head bolts areEnjoy trekking and e biking with seamless shifting and reliable, long lasting performance. Find new ways to enjoy trekking and daily flat handlebar riding with this reliable rear derailleur's seamless shifting and pedaling for 2x10 speed systems. Its low profile design and chain stabilization give riders the confidence to choose rougher routes. Plus, e bikers will benefit from reliable, long lasting performance thanks to its E BIKE RATED design.