Does the company offer replacement brackets? I don’t want to buy a whole second light to get a bracket.

On the Q & A section on the product page, BikeSpark says they don't sell extra brackets, and don't recommend moving the light from bike to bike, but they don't say why. It would seem if you can safely remove the light to prevent theft, moving it to another bike shouldn't be a problem. I wanted a second bracket as well and found it wasn't available. I think the 'problem' is that they want to put the bottom-line ahead of customer satisfaction. It's a great light, don't get me wrong, but customers should be able to use it as they see fit.

Does light go out when fully charged?

Yes the light goes out after fully charged

where is the photo of the mounting bracket to the rack ?

The mounting bracket has 2 bolts that fit the standard reflector mounting holes in the rear rack.

Does it come with a mount?

Yes. It's designed to mount on a flat surface like the rear of a metal bike luggage rack which usually has the standard holes pre drilled. The mount stays on the bike and the actual light securely snaps into it. It is the best light you can possibly buy for a bike. Make sure you get the rechargeable model.

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BKS-G4R

Product ID: 346533951

Details

Auto Part Position
Rear
Brand
BikeSpark
Color
Black Red
Item Weight
0.08 Kilograms
Material
Plastic Or
Mounting Type
Rack Mount

💡50 lm Ultra-Bright LED with 220° Visibility

🔋240HR USB Rechargeable Battery Life

🚦Auto-Sensing Precise Brake Detection

₹ 9109

Duties & taxes included

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Description

🚴‍♂️ Light up your ride, stay ahead of the pack!

SMART BRAKE ALERT - Instant ultra-bright boost on deceleration for safer rides
QUICK SNAP MOUNTING - Tool-free 50/80mm rack mount with easy release for on-the-go convenience
REFLECTOR THAT SHINES - World-class reflector delivers 30%+ above EU brightness standards
EFFORTLESS AUTO ON OFF - Motion-activated light with 1-minute auto shutoff—never forget to power down
REGULATION READY BRIGHTNESS - Complies with ISO 6742 & German StVZO for trusted night visibility

The BikeSpark Auto-Sensing Rear Light G4R is a USB rechargeable, IPX6 water-resistant bike tail light featuring a patented deceleration sensing algorithm that boosts brightness instantly when braking. With up to 240 hours of battery life, 50 lumens of ultra-bright LED output, and a highly reflective EU-compliant reflector, it ensures maximum visibility and safety. Designed for easy rack mounting and quick release, this Taiwanese-made light balances cutting-edge tech with practical convenience for the modern cyclist.

Specifications

ASIN	B0991V426W
Auto Part Position	Rear
Best Sellers Rank	#83,761 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #99 in Bike Taillights
Brand	BikeSpark
Brand Name	BikeSpark
Color	Black, Red
Customer Reviews	4.3 out of 5 stars 1,332 Reviews
International Protection Rating	IPX6
Item Dimensions L x W x H	4.25"L x 1.57"W x 1.3"H
Item Weight	0.08 Kilograms
Manufacturer	J-MEX Inc.
Manufacturer Part Number	AQ-6OW2-VCVP
Material	Plastic Or Metal
Material Type	Plastic Or Metal
Model Number	AQ-6OW2-VCVP
Mounting Type	Rack Mount
Number of settings	4
Power Source	Battery Powered
Warranty Description	1 Year
Water Resistance Level	Water Resistant

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