Q4 Tail Light Brake sensor USB with 7 Lighting Colors
Product details
| Management number | 235541514 | Release Date | 2026/07/02 | List Price | US$11.20 | Model Number | 235541514 | ||
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For those who love smart tech, our ROCKBROS Smart Bike Brake & Tail Light Q4 is the ideal way to illuminate and keep you safe when riding at night and show other road users when you're braking. With an in-built sensor, this light comes on when you hit your brakes. It installs to your saddle easily and is made from a rugged aluminium alloy.
Key Features:
- Bright red LED light with brake light smart tech
- The brake light illuminates automatically when you brake
- Five main light modes - red slow flashing / red/blue/purple breathing / red/blue/purple flash / red constant
- Three light modes for different daytime conditions - low / medium / high
- Compact and durable - perfect for the toughest of rides
- Installs quickly to the saddle or seat post of your bike
- Waterproof - keeps the rain off in wet riding conditions
- USB rechargeable battery
Bright Brake Light
The ROCKBROS Smart Bike Brake & Tail Light Q4 is perfect for your daily ride. It shows other road users you and your bike clearly from behind and lights up brighter when you brake—signalling to drivers and other road users of your braking intentions. It fits your saddle or seat post and is compact and rugged for even the most demanding bike rides.
Smart Brake Technology
Fitted with a sensor, the ROCKBROS Bicycle Smart rear light detects vibrations when you brake. The light brightens on braking, much like a car brake light, so other road users know your intentions.
Different Light Modes
The ROCKBROS Smart Bike Brake & Tail Light Q4 brightens when you brake and arrives with five light modes. Have it red slow flashing, red, blue and purple breathing, red, blue and purple flash or red constant, depending on your riding conditions.
What's more, whatever mode you are on, the brake light illuminates when you brake—giving the ultimate rear light for safer nighttime cycling.
Secure Saddle & Seatpost Fitting
This rear bicycle light can be quickly and easily installed onto your saddle or seat post, whatever your preference. It's also waterproof for rain raiding and is constructed from a rugged aluminium alloy. When you've finished riding for the day, just connect it to a USB and recharge the battery. Ready for your next adventure.
ROCKBROS Smart Bike Brake & Tail Light Q4 Specifications:
- Brand: ROCKBROS
- Model: Q4
- Type: Rear bicycle light with brake light smart tech
- Colour: Black
- Light Colour: Red/blue/purple
- Modes: red slow flashing / red/blue/purple breathing / red/blue/purple flash / red constant
- Light modes: low / medium / high
- Battery: USB Rechargeable
- Waterproof: IPX6
- Material: ABS plastic
- Weight: 23g
- Size (H x W x D): 30 x 38 x 29 mm
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