Revelate Designs Underpackers Review: Bolt-Free Cargo Mounts for Mountain Bikes (2026)

In the world of cycling, where every gram counts and innovation is king, Revelate Designs has just unveiled a game-changer for bikepackers and adventure cyclists. The Underpackers, a bolt-free cargo solution, are designed to revolutionize how we carry gear on our bikes, particularly for those with carbon and aluminum frames featuring wide, flat-bottomed downtubes. This is a significant development, as these frames present unique challenges when it comes to mounting traditional cargo cages.

Personally, I think the Underpackers are a brilliant example of how thoughtful design can solve a common problem in cycling. What makes this particularly fascinating is the use of TPU mounts, which are not only lightweight but also incredibly durable. In my opinion, this is a must-have for anyone looking to maximize their bike's carrying capacity without adding unnecessary weight.

The Underpackers are integrated with Voile-style straps, which are 18" (458mm) long and designed to fit a maximum downtube circumference of 240mm. This means you can securely attach a bottle, pot, poles, or any cylindrical item to your frame. One thing that immediately stands out is the adjustability of the system. Once the straps are installed, you can slide them up or down to find the ideal position, ensuring a secure and stable hold.

According to Revelate, the Underpackers offer a significant weight advantage over cargo cages. They weigh just 70 grams (2.5 ounces) per pair, which is a huge benefit for those looking to keep their bikes as light as possible. What many people don't realize is that the TPU mounts are not only lightweight but also virtually indestructible. This makes them ideal for rough terrain and extreme conditions.

Neil's experience with the Underpackers on the Colorado Trail ride is a testament to their effectiveness. He found that the system was highly adjustable without sacrificing security, and the bottle remained easy to reach and remove when needed. This is a crucial feature for long-distance riders who need to access their gear quickly and efficiently.

From my perspective, the Underpackers are a game-changer for bikepacking. They offer a practical, lightweight, and secure solution for carrying gear on carbon and aluminum frames. What this really suggests is that Revelate Designs has hit upon a design that not only meets a specific need but also sets a new standard for cargo solutions in cycling.

However, it's important to consider the broader implications of this innovation. As cycling becomes more popular, the demand for lightweight and efficient gear will only increase. This raises a deeper question: How will this trend influence the future of cycling equipment, and what new innovations can we expect to see in the coming years?

In conclusion, the Revelate Designs Underpackers are a remarkable addition to the world of cycling gear. They offer a practical, lightweight, and secure solution for carrying gear on carbon and aluminum frames, and they set a new standard for cargo solutions in cycling. If you're a bikepacker or adventure cyclist, I highly recommend giving them a try. They might just change the way you think about carrying gear on your bike.

Revelate Designs Underpackers Review: Bolt-Free Cargo Mounts for Mountain Bikes (2026)
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