Engineered for the ultimate road cyclist, the Hotrod 90 unleashes a powerful 90 lumens of flashing output for unprecedented night and day cycling safety. Its cluster mounted array of LEDs work in unison for an extra wide and powerful output, maximizing your presence on the demanding roads. Be seen all the time with 24/7 Safety Technology, an exclusive set of solid and flashing modes to increase your safety when cycling, night and day. Every bit the road cyclist's tail light, the Hotrod 90 uses a Versatile flexible mount compatible with most seat posts including aero styles. - 90 lumen red tail light with 6 lighting modes engineered for use on roads and commuting- Continuous array of LEDs work in unison to illuminate an extra wide and powerful glow- Ultra low profile, water resistant design only weighs 29 grams- USB rechargeable, internal battery lasts up to 100 hours- Built-in 24/7 Safety Technology gives you a powerful selection of 6 night and day modes (High Flash, High Steady, Group, Steady Pulse, Zoom, Low Flash)- Steady Pulse mode features a steady beam to help motorists gauge their distance while overlapping pulses keep them alert at night- Zoom mode signals those around you with a gentle change in brightness- Low battery indicator alerts you when a charge is needed- Light mode memory saves the mode you're in before the light is turned off- Versatile flexible mount conveniently attaches to seat posts including aerobars

Designed, engineered, and assembled in the USA. Founded in 1991, Cygolite is the proven bicycle light experts with exclusive designs and innovations crafted into quality products that are on the leading edge of safety. Built to endure road cycling conditions with durable & water resistant body, and sturdy flexible seat post mount, All while keeping a Compact form and weighing only 29 grams. Designed for convenience with USB rechargeable design and low battery indicator. Steady Pulse shines a steady beam to help motorists gauge their distance while overlapping pulses keep them alert at night. Daylighting flash bursts lightning-like flashes to make you stand out on busy roads in broad daylight. 6 lighting modes for day and night use with run times are High Steady: 1: 30 hr, Group (low steady): 100 hr, Zoom: 6 hr, Steady Pulse: 6 hr, Low Flash: 30 hr, Daylighting High Flash: 3: 30 hr. Powerful 90 Lumen bicycle tail light with cluster mounted array of LEDs work in unison for an extra wide and far reaching glow to maximize your visual presence both day and night.

Is Discontinued By Manufacturer: No. Best Sellers Rank: #9,534 in Sports & Outdoors. Customer Reviews: 4.6 out of 5 stars 1,334 ratings 4.6 out of 5 stars. Batteries: 1 Lithium Polymer batteries required. Item model number: HR-90-USB. : B07YFDFXY4. Manufacturer: Cygolite. Department: unisex-adult. Item Weight: 1.02 ounces. Product Dimensions: 3.25 x 2 x 5.5 inches. International Protection Rating: IP64. Auto Part Position: Rear. Brightness: 90 Lumen. Number of settings: 6. Item Dimensions LxWxH: 3.25 x 2 x 5.5 inches. Mounting Type: Seat Mount. Item Weight: 29 Grams. Water Resistance Level: Water Resistant. Power Source: Battery Powered. Material: Plastic. Brand: Cygolite. Color: Black , Red.