My Madone with the Bontrager Ion Pro RT front light and Bontrager Flare RT rear light. If you are serious about being seen, these are the lights to get. May be pricey

Bontrager Flare RT Rear Bike Light - Trek Bikes

Stay trail-ready and daytime visible with this powerful light set packed with industry leading features. The ultimate see and be seen bicycle light combo, this set is the easiest way to stay safe when you ride. The Ion Pro RT provides enough power to light up any trail, and the Flare RT is the ultimate daytime running rear light. Both are USB rechargeable and feature distinctive daytime flash settings that are visible from up to 2km during the day.

Bontrager Ion Pro RT / Flare RT Light Set

Quality lights - see and be seen!

Madone rear light : r/TrekBikes

Bontrager Ion 200 RT / Flare RT light set review - BikeRadar

Bontrager Ion 200 RT/Flare RT Bike Light Set - Lights - Digital - Bike - All

Lighting - Extreme Ski & Bike

Trek Madone SL 7 Disc - Liberty Bicycles - Asheville, NC

The 13 Best Bike Lights Review

Bike Taillight Saddle Rail Mount Compatible with Bontrager Ion ProRT Headlight Adapter,Bicycle Saddle Radar Tail Light Mount with T rek Flashlight/Torch Adapter Holder : Sports & Outdoors