Topeak Zi:RAK Thru-Axle 12 x 1.0mm – Aluminum Rear Axle for Topeak Zi:RAK Rack System, Compatible with 700C Road & Gravel Bikes, 170mm Length, 20mm Thread Length, Lightweight 50–60g (TA2420-SP01)

The Topeak Zi:RAK Thru-Axle 12 x 1.0mm (Art No. TA2420-SP01) is a precision-engineered rear axle designed for secure mounting of the Topeak Zi:RAK rear rack system on 700C road and gravel bikes. Constructed from high-strength aluminum, this 170mm axle features a 20mm thread length and a fine 1.0mm pitch for an exact fit. The package includes multiple spacers for fine-tuning alignment and compatibility across different frames. Weighing just 50–60 g depending on setup, it ensures a strong, lightweight connection that supports stable rack installation for touring or commuting use.

• Precision Fit: M12 x 1.0mm thread pitch with 170mm length and 20mm thread depth for accurate alignment on 700C road and gravel frames.
• Durable Aluminum Construction: Made from high-quality aluminum alloy for strength, corrosion resistance, and minimal weight.
• Lightweight Design: Weighs only 50–60 g depending on spacer use—perfect for performance and endurance setups.
• Rack Compatibility: Designed specifically for Topeak Zi:RAK rear racks; provides a secure, vibration-free attachment.
• Easy Installation: Includes multiple spacers for fine adjustment and universal compatibility across varied dropout designs.