SHIMANO STEPS RT-EM300 CENTRE-LOCK DISC ROTOR FOR eBIKE Size:203mm secure mounting option for bicycles

secure mounting option for bicycles and other vehicles indoors and outdoors

Next-level Technology: built-in KinetiCore offers additional protection from rotational impact in the event of a crash

The RX800 front derailleurs are designed to handle the 17-tooth chainring difference of the RX800 48/31T crank

Total Capacity: 43T

Freehub: Shimano Micro Splined

SHIMANO STEPS RT-EM300 CENTRE-LOCK DISC ROTOR FOR eBIKE Size:203mm secure mounting option for bicyclesThe Shimano Steps RT EM300 Centre Lock disc brake rotor delivers reliable stopping power across all riding conditions, engineered specifically for eBike speed sensor systems. The CENTER LOCK mounting system streamlines installation and removal with its intuitive spine mount and lock ring design, saving you time during maintenance. Compatible with resin brake pads only. Built for consistent performance on demanding terrain. Features CENTER LOCK disc