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Aero Bolt-On Long Top Tube Module – aerodynamically optimised top tube bag for maximum performance
The Apidura Aero Bolt-On Long Top Tube Module is a completely strapless, aerodynamically optimised top tube bag that integrates seamlessly into your bike. It increases carrying capacity for long, fast days in the saddle without compromising speed or a clean bike aesthetic.
Designed for performance-focused gravel racing
This performance-oriented solution is built for ambitious gravel racers who need additional storage while maintaining a secure, aero-optimised setup. The module can be used on its own or combined with the Aero Frame Module to create a complete watt-saving system with increased packing capacity.
Product features:
- Compatible with Apidura Frame Module for improved aerodynamics
- Transfer panel technology reduces drag
- Full-length waterproof zipper closure
- Ultralight Hexagrid construction (TPU-laminated nylon, PFAS- and PFC-free)
- Internal HDPE reinforcement for stability and shape retention
- Aero-optimised design for improved airflow around bike
- Ultralight construction for an optimal weight-to-performance ratio
Mounting system:
- Direct mounting via two M5 hex screws on the top tube mounts
- Flexible base channel for a clean, flush integration with the frame
- Elastic tensioner adapts to the stem and improves aerodynamics
- 64 mm bolt spacing and 5 cm adjustment range for optimal alignment and positioning
Reinforced structure:
- Full-length carbon fibre reinforcement for a rigid, strapless attachment
- Internal HDPE thermoplastic frame for added stability
Technical specifications:
- Volume: 0.8 L
- Weight: 120 g
- Dimensions: 34 x 6 x 3 cm
Detailed measurement diagrams can be found in the product images.
Delivery contents:
- 1 x Apidura Aero Bolt-On Long Top Tube Module top tube bag
- 2 x M5 hex bolts
5-7 Buck Street, London NW1 8NJ, GB
support@apidura.com
12c Rue du Pré Faucon, 74940 Annecy, FR
support@apidura.com
1 review
11 July 2026 11:34 out of: Joachim
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At the Bike-Packing Shop, we're a family-run business from the Westerwald region in Germany with a passion for bike travel. We carefully select products that help adventurous cyclists explore the world independently and achieve their cycling goals.
Sustainably packaged.
Nature is very important to us. That's why we avoid unnecessary plastic and rely on packaging material made of paper or cardboard. If your package does contain plastic filling material, this is material from our suppliers which we have reused.