The Problue BC-31 Backpack Assembly is a wing-style BCD from Problue – the preferred choice for technical divers and anyone who wants maximum trim and streamline underwater. The rear-mounted bladder keeps you perfectly horizontal, making it the go-to for reef navigation at Perhentian’s crystal-clear waters.
Technical Specifications
| Specification | Details |
| Brand | Problue |
| Product | BC-31 Backpack Assembly |
| Type | Wing BCD |
| Material | Cordura / Nylon |
| Lift Capacity | ~20 kg |
| Pockets | Multiple D-rings & cargo pockets |
| Weight Pocket | Integrated release |
| Best For | Recreational / Technical diving |
Key Features
- Wing-style bladder: Rear-mounted lift keeps you perfectly horizontal – the best trim underwater.
- Streamlined profile: Minimal drag for efficient swimming through the water.
- Adjustable harness: Fits precisely to your body for maximum comfort and control.
- Technical-ready: Designed for divers who demand precision buoyancy control.
Suited for Malaysian Dive Sites
The Problue BC-31 Backpack Assembly is built to perform across Malaysia’s best underwater destinations. Whether you’re exploring Perhentian’s crystal-clear waters, or heading to new reefs and wrecks, this gear delivers the reliability and comfort you need on every dive.
Care & Maintenance
- Rinse inside and out after every dive – especially the bladder.
- Inflate and dry fully before storing.
- Check all D-rings and buckles for corrosion after each session.
- Annual service from a qualified technician keeps it reliable.
Final Verdict
If you care about trim and streamline, the Problue BC-31 Backpack Assembly delivers. Wing BCDs are the standard for good reason – and this one does the job well.




Eric Tan –
The build quality and materials used were top-notch, especially the stitching on the straps.
Nathan Chew –
How does the weight distribution of the backpack work?
Imran Hanafiah –
Thank you for your question, Nathan! The Problue BC-31 Backpack Assembly is designed with a customizable weight distribution system. The backpack features multiple pockets and compartments that allow you to position your gear in a way that suits your comfort. You can adjust the load around your torso by redistributing the weight of your tanks and other gear between the compartments. This system ensures that the weight is evenly balanced, providing optimal comfort and convenience. Would you like more information on how to adjust the weight distribution? Other customers might also find it helpful to know how they can better utilize the weight distribution system based on their experience.
Khoo Hwee –
I liked the multi-tank version feature but was a bit disappointed with the buckle’s durability.
Yanti Ooi –
what sets the Problue BC-31 Backpack Assembly apart from other products in its class?
Junhao Lo –
Thank you for sharing your thoughts on the Problue BC-31 Backpack Assembly, Yanti Ooi! Our backpack stands out with its high-quality band and buckles that provide a secure fit and added durability. It’s a key feature that many of our customers appreciate for their diving needs. Additionally, the two-tank version functionality allows for easy storage and accessibility. If you have any further questions or would like to know more about our product, please feel free to ask! Our customers are also welcome to share their own experiences with the Problue BC-31 Backpack Assembly.
Lim Lee –
Was it a good value for the price of SGD 360?
Imran Hanafiah –
Thank you for taking the time to share your thoughts on our Problue BC-31 Backpack Assembly. While we understand your question about value for money, we believe the BC-31 offers impressive features and durability to justify its price. For SGD 360, customers receive a two-tank backpack assembly with a band and buckles, suitable for scuba diving and other outdoor activities. We appreciate your 4-star rating and hope you’ve enjoyed using the backpack. If you have any further questions or concerns, feel free to ask.
Pramila Kumar –
I used the Problue BC-31 Backpack Assembly for caving and it met all my needs!