This aerodynamic tool holder aims to eliminate saddle bags
The Californian brand Nano Worx, has not been in the market for long but has caught the attention of many fans thanks to a selection of accessories with a strong aerodynamic focus. Now they have just launched a new product that promises to replace the classic saddle bags. It is the Nano Worx Draft Box, a rigid storage compartment designed specifically for the Cervélo S5 (the brand promises that it will be available for more models), which also serves as an aerodynamic fairing.

This spoiler is a saddle tool holder, that's the Nano Worx Draft Box
The Draft Box is mounted directly on the seatpost of the Cervélo S5 and is available in versions adapted to practically all sizes of the model, except for the 61 cm. With dimensions of 32 x 105 mm of opening and a depth ranging from 90 mm on the deepest side to 50 mm on the narrowest side, it offers a capacity of 0.3 liters and a weight of just 100 grams.

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The level of detail of this accessory is such that the lid of the Draft Box functions as a tire lever and includes a small space to store a CR2032 battery, like the ones used by SRAM AXS shifters or heart rate monitor straps, for example.
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The brand explains that the space in the Draft Box is designed to carry the essentials without compromising the aesthetics or aerodynamics of the bike. In the product sheet, you can read a list of tools and spare parts that include:
- Ultralight TPU tube
- Mini electric pump
- Plug kit
- Multi-tool
- CR2032 battery
Nano Worx has confirmed that they are already working on specific versions of the Draft Box for other bike models.
The Nano Worx Draft Box is available for a price of $69.99 (about €59) and the manufacturer has confirmed that they are already working on specific versions of the Draft Box for other bike models.

Here you can check out their website, where, among other things, they have aerodynamic cycle computer mounts for various bike brands or aerodynamic covers for SRAM Red and Force compatible chainrings and cranks.