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Topeak's CubiCubi series helps you mount a Topeak light (up to 1200 lumens), a spare battery, a GoPro, and your head unit in a tidy package. Lights start at $99, while a 6000 mAh battery pack retails for $49.95. © A. Yee / Cyclocross Magazine

Topeak’s CubiCubi series helps you mount a Topeak light (up to 1200 lumens), a spare battery, a GoPro, and your head unit in a tidy package. Lights start at $99, while a 6000 mAh battery pack retails for $49.95. © A. Yee / Cyclocross Magazine