FastFuel Bag (bolt-on)

The Topeak FastFuel Top Tube Bag provides quick and convenient access to nutrition and essentials during rides. Designed to mount directly to top tube bottle bosses or secure with straps, it fits most road, gravel, and mountain bikes. The compact, padded design holds energy bars, gels, keys, and small tools securely while protecting them from vibration. Built from durable 500D polyester, PU leather, and TPE materials, it’s water-repellent and scratch-resistant. Adjustable bolt slots ensure compatibility with various frame sizes and diameters.

• Compact & Accessible Storage – 0.5L capacity provides quick access to energy bars, gels, and essentials while maintaining an aerodynamic profile.
• Versatile Mounting Options – Installs via built-in bottle bosses or strap system to fit nearly any bike’s top tube setup for flexible installation.
• Durable Weather-Resistant Build – Constructed from 500D polyester, PU leather, and TPE for reliable protection against rain, dirt, and wear.
• Adjustable Fit Compatibility – Wide bolt slots and adjustable straps fit top tubes 35–75mm and head tubes 30–50mm for a custom, stable fit.
• Lightweight & Practical Design – Weighs only 70g (2.5 oz), measures 18.7 × 8.2 × 4 cm (7.4” × 3.2” × 1.6”), perfect for performance cycling and commuting.


Manufacturer Sku: TC2313B
Todson Sku: 63002313