ROCKBROS 100% Waterproof Bike Frame Bag 1.7L Road-to-Sky 24.12.28.HU What is the photochromic lens

What is the photochromic lens

External elastics cords is good for attaching some wet raincoats or coat

if there is any problem

bike tools

Battery capacity: 120mAh

ROCKBROS 100% Waterproof Bike Frame Bag 1.7L Road-to-Sky 24.12.28.HU What is the photochromic lensRoad to Sky Bike Frame Bag 100% Waterproof 1. 7L Keep your essentials dry and close at hand with the Road to Sky Bike Frame Bag AS 140! This 100% waterproof triangle bag fits snugly on your bikes top tube, perfect for road or mountain adventures. Whether you're tackling rugged trails or cruising city streets, this playful companion keeps your gear safe from rain and mud, so you can focus on the ride ahead.