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![Gelrova Music Cycling Backpack [Battery not included] - LED Bicycle Backpack With Speakers, Expandable Helmet Storage (14.8L→25.2L) for Scooter Bike, 15-16" Laptop Compartment, Knight Pro 19inch](https://m.media-amazon.com/images/I/71FQ+h6yNPL._AC_SL1500_.jpg)
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![Gelrova Music Cycling Backpack [Battery not included] - LED Bicycle Backpack With Speakers, Expandable Helmet Storage (14.8L→25.2L) for Scooter Bike, 15-16" Laptop Compartment, Knight Pro 19inch](https://m.media-amazon.com/images/I/61yca3RbfcL._AC_SL1500_.jpg)
Gelrova Music Cycling Backpack [Battery not included] - LED Bicycle Backpack With Speakers, Expandable Helmet Storage (14.8L→25.2L) for Scooter Bike, 15-16" Laptop Compartment, Knight Pro 19inch
4.3 (29 items)
Limited Time Sale$68.99 cheaper than the new price!!
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Product details
| Management number | 215843929 | Release Date | 2026/04/19 | List Price | $46.00 | Model Number | 215843929 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
- Important: Battery pack is not included and must be purchased separately.
- ⚠️ Please be aware: As the speakers are not designed for high-volume, professional-grade audio projection, their performance can be significantly overwhelmed by wind noise at high speeds. Therefore, we do not recommend this product for use on motorcycles.
- 🚨 Important Note: Ideal Use Cases for the Built-in Speakers 🚨：To ensure your complete satisfaction, please be aware that the built-in audio system of this backpack is specifically engineered for medium-to-low-speed activities like bicycle riding walking . Its sound output is optimized for personal listening and maintaining awareness of your surroundings in relatively quiet environments.
- ⚡️ DYNAMIC LED EYE DISPLAY- Customize your ride identity with 100+ animated eyes via APP (iOS/Android)! Tempered glass shields ensure scratch-resistant screen protection while enhancing visual impact.
- 🔊 IMMERSIVE 360° SOUND SYSTEM- Dual side-mounted Bluetooth 5.0 speakers deliver high-fidelity audio for navigation alerts and music streaming without compromising road awareness.
- 🚀 SMART STORAGE EXPANSION- Patent-pending zipper system expands capacity by 70% (14.8L→25.2L) to securely fit full-face helmets + daily essentials.
| Color | Black |
|---|---|
| Pattern | DIY |
| Fit Type | Regular |
| Brand Name | Gelrova |
| Item Shape | Rectangular |
| Model Name | Knight Pro |
| Shell Type | Hard Shell |
| Strap Type | Adjustable |
| Unit Count | 1 Count |
| Item Weight | 2.52 Kilograms |
| School Type | High School |
| Manufacturer | Gelorva |
| Style Number | Motorcycle Backpack Knight Large 19in |
| Material Type | Oxford cloth |
| Product Style | Knight Rider |
| Outer Material | Polycarbonate (PC) |
| Storage Volume | 34 Liters |
| Backpack Design | Daypack Backpack |
| Number of Items | 1 |
| Number Of Pockets | 2 |
| Subject Character | CyberPunk |
| Lining Description | Linen |
| Pocket Description | Electronics Pocket, Powerbank Pocket |
| Apparel Closure Type | Buckle |
| Warranty Description | 1 year |
| Age Range Description | Adult |
| Embellishment Feature | Led eyes |
| Water Resistance Level | Water Resistant |
| Item Dimensions D x W x H | 14.17"D x 7.09"W x 18.9"H |
| Product Care Instructions | Dry Clean Only |
| Compatible Device Size Maximum | 15 Inches |
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