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Xtracycle's Swoop ASM e-bike features Shimano's automatic transmission system

🔄 Updated 2h ago
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Key points

  • Xtracycle's Swoop ASM cargo e-bike uses Shimano's automatic transmission.
  • The system intelligently determines optimal gear changes.
  • Shifting execution is not always smooth, but the feature can be turned off.
  • The Swoop ASM is a long-tail cargo bike with a mullet setup and front suspension.

Automatic Shifting on Cargo E-bikes

The Xtracycle Swoop ASM, a new cargo e-bike, integrates an automatic transmission system developed by Shimano. This system is designed to electronically manage gear changes based on factors like cadence, torque, and speed, aiming to optimize the riding experience without manual intervention from the rider.

The concept of automatic shifting in e-bikes is gaining traction as current e-bike technology can monitor key metrics needed to determine optimal gearing. This allows the bike's electronics to decide when a gear change is appropriate.

Performance and User Experience

Testing of the Swoop ASM revealed that the electronic system is effective at identifying when gear shifts should occur. However, the actual process of shifting gears was described as less smooth than desired, potentially impacting the overall ride quality when the automatic feature is active. Riders have the option to disable this feature if they prefer manual control or a smoother ride.

Despite the shifting mechanism's performance, the Swoop ASM is noted as a functional cargo bike. Its design includes a long-tail configuration, a 'mullet' wheel setup (larger front, smaller rear), and front suspension, which contribute to its utility and ride comfort.

Xtracycle's Background and Bike Design

Xtracycle, known for its cargo trailers and dedicated cargo bikes, designed the Swoop ASM as a long-tail cargo bike. The smaller rear wheel in the 'mullet' setup is intended to keep the weight on the rear rack closer to the ground, enhancing stability. The inclusion of front suspension aims to provide a more cushioned ride for the user.

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Reporting from

Xtracycle's new Swoop ASM cargo e-bike incorporates Shimano's automatic transmission system, allowing the bike to shift gears electronically. While the system's intelligence in determining optimal gears is noted, its actual shifting execution is described as less smooth, though the feature can be disabled. This integration represents an advancement in e-bike technology, offering a new user experience for cargo bike riders.