Senticam Bike Helmet Light, USB Rechargeable Dual Front & Rear Cycle Helmet Lights,IPX3 Water Resistant Portable Bike Helmet Torch for All Road Cyclists : Amazon.co.uk: Sports & Outdoors
ENLEE Bicycle Helmet Light USB MTB Folding Bike Waterproof Front Rear Lights | eBay
Lumos smart bike helmet incorporates brake lights and indicators
Best helmet lights for cycling: Buyer's guide | Cyclist
Opticfire® WATERPROOF Cycle Helmet light & Bike light - Opticfire® LED UK
Tonic Helmet, Light Blue Sunset, Medium – Kent Cycles
The UK's best selling bike helmet lights from Brightside. Fits most helmets. £29.99