Brake-sensing rear light
Lezyne Saddle Ai Alert 250 Rear Light
A saddle-mounted aluminium rear light that senses when you slow down and switches to a rapid 250-lumen brake flash to warn those behind.
Highlights
Why we rate it
Ai Alert braking
Detects deceleration and automatically switches to the 250-lumen Active Alert flash, then returns to your chosen mode. Pre-programmed and collects no rider data.
Saddle-mounted
Sits under the saddle rails, out of the way of seatpacks and dropper posts.
Seen from the side
Wide Angle Optics and 10 LEDs give up to 270 degrees of visibility.
Seven modes
Solid and flash options including a highly disruptive Day Flash, up to 60 hours in Femto.
Rugged build
Fully CNC-machined aluminium, IPX7 waterproof and USB-C charging.
Tech specs
Specification
Manufacturer specification. Details may change without notice.
Specification
- Max output
- 250 lumens (Active Alert)
- Max run time
- 60 hours (Femto)
- Modes
- 7 solid and flash
- LEDs
- 10
- Battery
- 1100mAh
- Visibility
- 270°
- Construction
- CNC-machined aluminium
- Waterproofing
- IPX7
- Charging
- USB-C (cable not included)
- StVZO
- Not approved
In the box
- Includes
- Saddle Ai Alert 250 rear light
- Includes
- Saddle mount
Ordering
Available from The Cycle Collective
Available to order through The Cycle Collective in Dorking. For availability, fitting or advice, call 0203 148 6764 or email hello@thecyclecollective.cc.
Product Information
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Close all zippers before washing
Wash at max 30°C
Hand washing with cold water (or gentle wash cycle)Using mild, high quality detergent
Drip drying in shade, do not machine dry
Avoiding ironing and bleachThe instructions on your garment’s label
Sorting your clothing by color
Avoiding fabric softener.
Our clothing isn’t meant to be dry cleaned and soaking clothing is not ideal
Storage
Unused sealed sachets should be stored inside the box in a well-ventilated, dry place and protected from moisture, heat and direct sunlight. Can be stored for up to 3 years.
Size
Each sachet contains 30g powder.2 x 30g sachets per carton box.
Makes 2x litres of bike cleaner
100% plastic free packaging
Readily biodegradable ingredients
100% water free
Refill your old bottle and help reduce plastic waste
92% saving in packaging compared to 2 x 1L bike cleaner
100% environmentally friendly ingredients, including plant based raw materials
Supplied in a compostable sachet and printed with vegetable inks
FSC recycled card box containing 2 x sachets – that makes 2L of bike cleaner
Safe on all parts and surfaces including carbon fibre
Will not harm seals, cables, disc brake pads or rotors
Alkaline based and free from alcohol, CFCs, EDTA, solvents or acids
Vegan & vegetarian friendlyCruelty free, not tested on animals
Sachet Instructions
1. Grab your empty old bottle of Muc-Off. (You may need a pair of adjustable pliers to remove the trigger from the bottle). Or purchase our Bottle for Life.
2. Fill up to the shoulders of the bottle with 1 litre of lukewarm water for faster formula activation!
3. Carefully cut one corner of the sachet open along the diagonal cut lines.
4. You can carefully pour the sachet straight into the top of the bottle. Or using the box, fold the inside of the lid together using the printed lines as a guide and use this as a funnel to pour the powder into your bottle. (Please see our video for full instructions on this.
5. Screw your spray trigger back onto the top of the bottle. Ensure it’s tight!
6. Shake the bottle vigorously for 30-60 seconds to activate the formula. If you notice any undissolved powder simply keep shakin’ it!
7. Go clean that filthy bike!
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