Shimano CUES RD-U6000 11 Speed Rear Derailleur (Black) HSN-62033300 It projects a 360-degree arc

It projects a 360-degree arc of red light down to the road

Rear Brake- Power CX7 Mechanical Disc

Downtown Two

You could also mount it above your caliper brake to avoid interference with the brake

Wheel Size-700c

Shimano CUES RD-U6000 11 Speed Rear Derailleur (Black) HSN-62033300 It projects a 360-degree arcThe Shimano CUES RD U6000 rear derailleur stands for stable and efficient performance whether on the trail, gravel track or road. In doing so, the versatile rear derailleur for 1x10 speed (max. sprocket size 48 teeth) and 1x11 speed (max. sprocket size 50 teeth) drivetrain systems convinces with seamless shifting behavior Features Stable drivetrain performance on trails, gravel, and city streets Chain stabilizer reduces chain drop, slap and noise