SHIMANO STEPS RT-EM300 CENTRE-LOCK DISC ROTOR FOR eBIKE Size:203mm The RX800 front derailleurs are

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

Not only does the low-profile design look great on modern bike designs

Freehub: Shimano Micro Splined

Extended cuff with Velcro adjuster for improved fit and warmth

SHIMANO STEPS RT-EM300 CENTRE-LOCK DISC ROTOR FOR eBIKE Size:203mm The RX800 front derailleurs areThe 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