Description
Cateye VIZ150 Saddle Light for Brompton
A compact rechargeable rear light for your Brompton, with a dedicated bracket that fits neatly beneath a compatible saddle. The VIZ150 combines three red LEDs, wide-angle visibility and four lighting modes for everyday rides in Singapore.
Key features
- Up to 150 lumens in Daytime HyperFlash mode, with 300-degree visibility.
- Four modes: Constant, Flashing, Group Ride and Daytime HyperFlash.
- Up to 70 hours of runtime in Flashing mode; approximately 5 hours in Constant mode and 15 hours in Daytime HyperFlash mode.
- Micro-USB rechargeable battery, with a typical full recharge taking approximately 3 hours at 0.5 A.
- Low-battery indicator, mode memory and automatic battery-saving flashing.
- IPX4 water resistance for splashes and rain. Close the charging-port cover securely; do not immerse the light.
What is included?
Cateye VIZ150 rear light, Brompton-specific saddle bracket, mounting screw and Micro-USB charging cable.
Compatibility and fitting
The supplied bracket requires the dedicated mounting hole beneath a compatible Brompton saddle, generally the 2017-onward design. Check your saddle before ordering, particularly if it has been replaced with an older or third-party saddle.
Brompton lists compatibility with C Line Mk5, Electric C Line Mk1, Electric C Line e-Motiq, P Line Mk1, P Line Mk2, Electric P Line Mk1, T Line, Electric T Line e-Motiq, G Line and Electric G Line e-Motiq, when fitted with a compatible saddle.
Product details
- Manufacturer: Cateye
- Product: VIZ150 saddle-mounted rear light kit
- Brompton part number / SKU: Q103799
- GTIN / EAN: 5053099068784
- Colour option: Black, with red rear-light lens
- Charging connection: Micro-USB
- Water-resistance rating: IPX4
Frequently asked questions
Will this fit any saddle?
No. This kit uses the Brompton saddle mounting point rather than a universal saddle-rail clamp. Older or non-Brompton saddles may require alternative mounting hardware, which is not included.
Is a charging cable included?
Yes, a Micro-USB charging cable is supplied.
Is this the VIZ150 II USB-C model?
No. Q103799 is the Brompton VIZ150 saddle-light kit with Micro-USB charging.
Battery runtimes are approximate and depend on operating conditions. The 150-lumen rating is peak output in Daytime HyperFlash mode.





