# All the Most Expensive Motorcycles Use this Weird Design

Source: https://www.youtube.com/watch?v=JtBgv-SJEQg
Recap page: https://rapidrecap.app/video/JtBgv-SJEQg
Generated: 2025-07-19T15:34:18.434+00:00

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## Quick Overview

Hub-center steering, a design where the wheel turns from its center rather than a traditional fork, offers objective advantages like superior stiffness, strength, and consistent steering geometry, eliminating bump steer and maintaining full suspension travel under braking. Despite these technical benefits, it remains rare in motorcycles due to 'path dependence,' a phenomenon where historically established, less optimal designs persist because of ingrained practices and economic factors, similar to the QWERTY keyboard layout.

**Key Points:**
- Hub-center steering is a motorcycle design where the front wheel is steered from its center, rather than using a traditional fork.
- This design is featured on high-end motorcycles like the Bimota Tesi 3D ($44,000), Vyrus 985 ($69,000), and Arc Vector ($166,000), as well as fictional bikes like Kaneda's machine and the Batpod.
- The 1998 Italjet Dragster 50, a scooter, uniquely brought hub-center steering to an affordable market, incorporating features like a Ducati trellis frame and MotoGP prototype front end.
- Technical advantages include superior stiffness, strength, and the elimination of 'bump steer,' allowing the bike to maintain its line over rough terrain and full suspension travel under heavy braking.
- The primary reason for its lack of widespread adoption is 'path dependence,' where the historically established, less optimal telescopic fork design persisted due to early advantages, ingrained manufacturing, and rider familiarity.
- Despite successful racing applications by Bimota, Yamaha, and Honda with hub-center designs, these promising projects were abandoned due to financial constraints, not technical inferiority.

![Screenshot at 1:57: Man kneeling beside the yellow Italjet Dragster, pointing to its unique hub-center front wheel assembly, with city buildings in the background.](https://ss.rapidrecap.app/screens/JtBgv-SJEQg/00-01-57.png)

**Context:** The video delves into the rare and often misunderstood world of hub-center steering in motorcycles. This advanced design, typically found on extremely expensive and exotic bikes, is presented through the lens of a surprisingly affordable 1998 Italjet Dragster 50 scooter. The host, Ryan F9, uses this unique vehicle to explain the technical principles and advantages of hub-center steering, while also exploring why this objectively superior design has failed to become mainstream in the motorcycle industry, attributing its rarity to a concept known as 'path dependence.'

## Detailed Analysis

The video explores hub-center steering, a unique motorcycle design where the front wheel is steered from its center, unlike conventional forks. This design is found on expensive, aspirational motorcycles like the Bimota Tesi 3D ($44,000), Vyrus 985 ($69,000), and Arc Vector ($166,000), as well as fictional bikes like Kaneda's machine from Akira and the Batpod. The host introduces his 1998 Italjet Dragster 50, a scooter that uniquely brought this elite design to a more affordable market, featuring an F-16 filler cap, Ducati trellis frame, and MotoGP prototype front end, despite its low top speed. The core advantage of hub-center steering is that it eliminates the need for a long steering tube and a strong frame, as the wheel is turned from its center, and the engine itself acts as the most torsionally rigid part of the bike. This separation of steering and suspension means zero bump steer, allowing the bike to maintain its line over bumps, and full suspension travel even under heavy braking. While objectively superior in many aspects, hub-center steering has not become mainstream due to 'path dependence.' Early motorcycles used hub-center steering, but poor roads and slow engines meant its theoretical benefits weren't realized, leading to the adoption of simpler, more comfortable telescopic forks. This historical choice, though not superior in principle, became entrenched due to established manufacturing processes, rider familiarity, and the high R&D costs required to re-invent and perfect an alternative. Despite successful racing attempts by Bimota, Yamaha, and Honda with hub-center designs, these projects were abandoned due to lack of funds, illustrating how path dependence favors existing, even if suboptimal, solutions over potentially better but undeveloped ones.

### Introduction to Hub-Center Steering

- The video introduces hub-center steering as a design shared by aspirational motorcycles like the Bimota Tesi 3D, Vyrus 985, and Arc Vector, costing tens to hundreds of thousands of dollars
- Fictional motorcycles like Kaneda's machine from Akira and the Batpod also feature this design, highlighting its exotic and high-performance association.

### The Italjet Dragster

- The host reveals his 1998 Italjet Dragster 50, a scooter that uniquely incorporates hub-center steering, making this elite design accessible at a much lower price point
- The Dragster boasts premium features like an F-16 filler cap, a Ducati trellis frame, and a MotoGP prototype front end, despite its modest top speed of around 87 km/h.

### Technical Advantages of Hub-Center Steering

- Hub-center steering eliminates the need for a traditional fork, allowing the wheel to be turned from its center, which removes high torque on the steering tube
- This design means a less robust frame is needed, as the engine itself acts as the most torsionally rigid part of the motorcycle, simplifying the overall structure
- It provides zero 'bump steer,' meaning the bike maintains its line even over rough terrain, and allows for full suspension travel under heavy braking, enhancing stability and control.

### The Concept of 'Path Dependence'

- The video explains 'path dependence' using the QWERTY keyboard as an analogy, where an outdated design persists due to historical reasons and established user habits, despite more efficient alternatives
- Similarly, early motorcycles adopted telescopic forks due to immediate practical advantages on poor roads, leading to a century of development and rider familiarity with this less optimal design.

### Historical & Racing Attempts

- Hub-center steering was an engineer's choice in the early days of motorcycling, but its benefits were not fully realized due to the limitations of early roads and engines
- Despite promising attempts by manufacturers like Bimota (with the Tesi in World Superbikes), Yamaha (with the GTS1000), and Honda (with the Elf in MotoGP), these projects were ultimately abandoned due to financial constraints, not inherent design flaws.

### Conclusion on Design Evolution

- The video concludes that while hub-center steering is theoretically superior, its lack of mainstream adoption is a result of path dependence, where the established, familiar, and cheaper telescopic fork design has continued to dominate due to accumulated R&D and rider comfort, rather than objective superiority.

![Screenshot at 0:08: Man gesturing as a red and white Bimota Tesi 3D motorcycle appears with a $44,000 price tag.](https://ss.rapidrecap.app/screens/JtBgv-SJEQg/00-00-08.png)
![Screenshot at 0:37: Man kneeling and pointing to the unique hub-center steering mechanism on the front wheel of the yellow Italjet Dragster.](https://ss.rapidrecap.app/screens/JtBgv-SJEQg/00-00-37.png)
![Screenshot at 1:05: Full side view of the distinctive yellow Italjet Dragster scooter with the man standing beside it, showcasing its exposed frame and unique front end.](https://ss.rapidrecap.app/screens/JtBgv-SJEQg/00-01-05.png)
![Screenshot at 2:21: An X-ray like overlay of a motorcycle showing the engine as the central, rigid part with two arms extending to the wheels, illustrating the hub-center design principle.](https://ss.rapidrecap.app/screens/JtBgv-SJEQg/00-02-21.png)
![Screenshot at 3:11: POV shot from the Italjet Dragster showing the rider smiling and looking ahead, demonstrating the smooth ride over bumps due to the separated steering and suspension.](https://ss.rapidrecap.app/screens/JtBgv-SJEQg/00-03-11.png)
![Screenshot at 3:47: Close-up of the front wheel of the Italjet Dragster, showing the hub-center steering arm absorbing a bump independently of the steering linkage.](https://ss.rapidrecap.app/screens/JtBgv-SJEQg/00-03-47.png)
![Screenshot at 6:10: A man in a black and white video segment, standing on a balcony, discussing the Italjet Dragster 180cc as the 'best looking and worst handling scooter'.](https://ss.rapidrecap.app/screens/JtBgv-SJEQg/00-06-10.png)
![Screenshot at 7:36: An overlay of a QWERTY keyboard appears over the man, illustrating the concept of 'path dependence' in design.](https://ss.rapidrecap.app/screens/JtBgv-SJEQg/00-07-36.png)
![Screenshot at 8:28: A blurred image of a racing motorcycle with 'elf' branding, representing Honda's hub-centered Elf in MotoGP, appears over the man.](https://ss.rapidrecap.app/screens/JtBgv-SJEQg/00-08-28.png)
![Screenshot at 9:49: POV shot from a red Suzuki motorcycle showing a Beline navigation device mounted on the handlebars, displaying turn-by-turn directions.](https://ss.rapidrecap.app/screens/JtBgv-SJEQg/00-09-49.png)