Product Details

A strapless, aero-optimised top tube pack that integrates seamlessly on your bike to make you faster.

The Aero Bolt-On Top Tube Module is a performance-oriented solution for competitive gravel racers, developed through rigorous Computational Fluid Dynamics (CFD) analysis to smooth airflow behind the stem and improve aerodynamic efficiency.

Combining with the Aero Frame Module creates an average 5 watt saving at race speed, validated through wind tunnel testing and race-proven at the highest level, showing a benefit on every bike we’ve tested. 

For years we’ve helped riders go further, now we’re helping them to go faster.

Attachment System - Two M5 hex-headed bolts anchor module to top tube mounts, Centre channel in base flexes around mounting points, pulling module flush against top tube for a gap-free fit, Elastic tensioner contours to the stem and draws Transfer Panels inwards for gap-free, aerodynamic efficiency.

  • Works with Frame Module to improve aerodynamics
  • Transfer Panels and Skirt for close integration
  • Tension bands
  • Hypalon Load Straps
  • Soft interior base protects contents
  • One-handed fast entry to top tube module
  • Fast entry magnetic closure
  • Ultralight Hexagrid construction
  • Seam Welded: bespoke materials and RF welding create watertight seams
  • Weight: 95g / 120g

About Apidura
This family run business are pioneers of lightweight rackless packing systems. Born in the UK, they are a global business devoted to creating products for adventure cyclists and the bike packing scene.

Product Code APTSB
Other products by Apidura
$162.00
RRP $175.00 | Save 7%
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Product Details

A strapless, aero-optimised top tube pack that integrates seamlessly on your bike to make you faster.

The Aero Bolt-On Top Tube Module is a performance-oriented solution for competitive gravel racers, developed through rigorous Computational Fluid Dynamics (CFD) analysis to smooth airflow behind the stem and improve aerodynamic efficiency.

Combining with the Aero Frame Module creates an average 5 watt saving at race speed, validated through wind tunnel testing and race-proven at the highest level, showing a benefit on every bike we’ve tested. 

For years we’ve helped riders go further, now we’re helping them to go faster.

Attachment System - Two M5 hex-headed bolts anchor module to top tube mounts, Centre channel in base flexes around mounting points, pulling module flush against top tube for a gap-free fit, Elastic tensioner contours to the stem and draws Transfer Panels inwards for gap-free, aerodynamic efficiency.

  • Works with Frame Module to improve aerodynamics
  • Transfer Panels and Skirt for close integration
  • Tension bands
  • Hypalon Load Straps
  • Soft interior base protects contents
  • One-handed fast entry to top tube module
  • Fast entry magnetic closure
  • Ultralight Hexagrid construction
  • Seam Welded: bespoke materials and RF welding create watertight seams
  • Weight: 95g / 120g

About Apidura
This family run business are pioneers of lightweight rackless packing systems. Born in the UK, they are a global business devoted to creating products for adventure cyclists and the bike packing scene.