Mount and aim lights

Skill level 1 of 4 · Home basicsAdjustEasy10 minFront + rear lights

A white front light and a red rear light so drivers see you, day and night. USB-rechargeable lights clamp to the bar and seatpost with rubber straps. Daytime flash modes are the most visible to drivers.

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Tools

Zip ties + electrical tape: Gardner Bender zip ties and 3M Super 33+ electrical tape ($)
Needle-nose pliers + flush cutters: TEKTON needle nose and diagonal cutting pliers ($)

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Steps

Front: strap it to the bar beside the stem, aimed so the bright spot lands about 5–10 m ahead.
Rear: strap it to the seatpost below the saddle bag, pointing straight back, not down.
Use flashing mode in daylight and steady (or steady front + flashing rear) at night.
Charge after every few rides; most lights warn at 10%.

Diagram

Side view, chain side toward youFront and rear lights

Aiming lights

Signs it needs doing

Light points at the sky or ground
Battery dies mid-ride
Mount slips on bumps