Trek Adventure Triangle Bag Color:Black and has 4 smart battery

and has 4 smart battery indicator LEDs to let the rider know how much charge is left in the light

BASE P-TEX 4500

The look is stealthy

radius: 16

warmth and the highest performance

Trek Adventure Triangle Bag Color:Black and has 4 smart batteryAll the right angles, for all your accessories Tucked seamlessly behind your head tube inside the profile of your frame, the Trek Adventure Triangle Bag features a space saving design so you can haul gear and still have room for your water bottle! Whether you're an endurance racer or a rider with a smaller frame, this bag is the perfect travel companion, no matter what your day has in store. Product details Simply measure your bike to find the best