PDW REAR GRAVITY+ USB 17T keeps the driving and braking

keeps the driving and braking forces aligned properly as cornering forces come into play

Tall rails on the front

Convenient storage for any bike

Arms can be centered for side mount spare tires

Also works great on the back of head rests in the car for the kids

PDW REAR GRAVITY+ USB 17T keeps the driving and brakingNew improved model with longer battery life Tail light featuring a built in accelerometer that boosts output up to a 100 lumen steady light when braking or swerving is detected Standard modes include 20 lumen solid setting and an 80 lumen flash setting with run times of 12 and 30 hours USB rechargeable li polymer battery Weatherproof exterior for all season riding Includes brackets for seatpost and seatstay mounting Mounts vertically or horizontally