SHIMANO CS-R9100 CASSETTE 11-30 DURA-ACE 11-SPEED DURA-ACE 2016 GVBR It comes with KinetiCore’s built-in

It comes with KinetiCore’s built-in protection technology and extra temple coverage to protect the most sensitive part of your child’s head from impact

OpenRun Pro 2 pairs instantly just by turning it on

・38T and 40T chainrings available

Carry Pouch

SHIMANO CS-R9100 CASSETTE 11-30 DURA-ACE 11-SPEED DURA-ACE 2016 GVBR It comes with KinetiCore’s built-inSHIMANO DURA ACE Cassette CS R9100 11 speed 11 12 13 14 15 17 19 21 24 27 30T Item Number ICSR910011130 SKU Description Rider tuned gearing Lightweight CFRP & Alloy spider arm, 5 titanium sprockets Product Description Using a carbon fiber and alloy spider and five titanium sprockets, the DURA ACE R9100 cassette provides accurate shifting and light weight to the most discerning road cyclists on the planet.