US$ 24.83
bike helmet speakers Ultimate Raceceiver Fits HP Spectre x360 16 Roll Top Backpack - 5.7 x 2.7 x Battery:36V 13AH Tube Battery
Roll Top Backpack - Black - Waterproof
Steel fenders are heavy but provide excellent durability, making them a great choice for touring or commuting bikes
Fits HP Spectre x360 16
Battery:36V 13AH Tube Battery
Here are the numbers that make the difference
5.7 x 2.7 x 1 cm (2.25 x 1 x 0.5 in) weighing only 16 grams each Fits any helmet strap up to 15mm wide IP65 rated
US$ 24.83
US$ 20.10
US$ 24.13
US$ 27.24
US$ 28.99
US$ 23.57
US$ 23.14