Rivian TM-B 电动自行车
Rivian's TM-B electric bike

原始链接: https://www.theverge.com/news/804157/rivian-tm-b-electric-bike-price-specs-helmet-quad

Rivian 的微出行衍生品牌 Also 已经发布了其首批产品:TM-B 电动自行车、TM-Q 电动四轮车和 Alpha Wave 头盔。TM-B 是一款独特的 3 级电动自行车,具有 28 英里/小时的助力速度和 20 英里/小时的油门速度(在法律允许的地区),由新颖的“DreamRide”线控踏板系统提供动力,并配备可拆卸电池,续航里程可达 100 英里。它具有令人印象深刻的 180 牛米扭矩和可适应货物或乘客的模块化车架。 安全性是一大亮点,具有自动锁定和实时跟踪功能。Also 还推出了 Alpha Wave 头盔,强调先进的旋转冲击保护和集成音频。TM-Q 是 TM-B 的四轮版本,专为更重的负载和潜在的最后一公里配送应用而设计,旨在兼容自行车道。 TM-B 首发版售价 4,500 美元(预订现已开放,预计 2026 年春季交付),后续将推出 4,000 美元的标准型号。Also 旨在通过创新技术和设计重振电动自行车市场。

## Rivian TM-B 电动自行车:摘要 Rivian 发布了其 TM-B 电动自行车,售价 4500 美元,引发了 Hacker News 用户的讨论。这款自行车具有独特的“线控踏板”系统——踏板不直接连接到驱动系统,而是为发电机供电——以及一个 808Wh 的大容量电池,续航里程可达 100 英里。 评论者们争论了价格定位,许多人指出有更便宜且性能良好的电动自行车,尤其是来自中国制造商的产品。然而,一些人认为 Rivian 定位高端市场,优先考虑制造质量、可更换电池和集成技术(包括配套头盔)等功能,以及货物/乘客配置的潜在模块化。 人们对重量、可维修性以及在缺乏专用自行车基础设施的城市环境中,音响系统等功能的实用性表示担忧。另一些人强调了液压碟刹的优势以及系统可能具有的坚固可靠性,与可能寿命较短的“颠覆性”品牌形成对比。讨论还涉及电动自行车分类以及踏板助力、油门和手动踩踏之间的权衡。
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原文

Rivian’s micromobility spinoff Also has just taken the wraps off its TM-B e-bike, TM-Q pedal-assisted electric quad bike, and Alpha Wave helmet that represents “a breakthrough in rider safety and connectivity.”

The TM-B (aka Transcendent Mobility - Bike) with its 24 x 2.6-inch wheels and integrated front- and rear-lighting looks and functions like nothing else on the market. It features a new pedal-by-wire drivetrain called “DreamRide” developed in-house. The rider pedals a generator, which replenishes the battery, while a separate software-driven traction motor drives the rear wheel via a Gates Carbon belt.

The removable battery — available in either 538Wh or 808Wh packs, offering up 100 miles of range — features two USB-C ports. The batteries can be charged over USB-C at 240W, going from zero to full in two hours and 20 minutes or three hours and 45 minutes, respectively. They can also act as a portable power bank for your gadgets. An E Ink display shows the battery’s current charge.

As a Class 3 e-bike, it has a pedal-assisted top speed of 28mph (45kph). It also features a throttle good for 20mph where regulations allow, and an astounding 180Nm of torque on tap — enough to flatten steep hills and make quick starts off the line when carrying heavy loads. Hydraulic disc brakes help bring everything to a controlled stop, while regenerative braking could extend range by an estimated 25 percent.

The top frame of the TM-B is modular by design, so the bike can be transformed without tools into a cargo hauler, kid carrier, or cruiser with a bench seat. The seat post is unlocked via a quick swipe from the 5-inch circular touchscreen console. An inverted front fork suspension and air shock will help soak up bumps for riders ranging from 4 feet 11 inches to 6 feet 8 inches.

There’s also plenty of security baked in that automatically activates and deactivates when the rider is nearby. It locks the battery, back wheel, and frame, with tamper alerts and bike location provided in real time.

A $4,500 launch edition TM-B can be preordered now with delivery slated for spring 2026. A $4,000 base edition is scheduled for sometime later in 2026.

Also also unveiled its Alpha Wave helmet. “It incorporates Release Layer System (RLS), a technology that offers a step-change in rotational impact protection,” says Also, which certainly sounds impressive. It also features integrated lights and a four-speaker, wind-shielded internal audio system with two noise-canceling mics. The helmet integrates with the TM-B’s console, where music, calls, and podcasts can be controlled on the bike.

Lastly, Also’s TM-Q is the TM-B extended to a pedal-assisted electric four-wheeler to carry heavier loads. Also says it’ll be “bike lane compliant,” so it can be used for last-mile deliveries in congested cities. It’ll be sold in both commercial and consumer variants, the latter for ridding around gated communities.

The TM-B aesthetic is certainly divisive — I love it, but I was a big fan of Cake’s utilitarian designs before bankruptcy. It’s a lot to take in and certainly needs thorough testing to draw any final conclusion. But it’s good to see a fresh, deep-pocketed face breathing new life into e-bikes when entrenched players and boutique brands are struggling to stay afloat.

“Our vision is to bring together the latest technology with fun, thoughtful design to create small EVs that inspire people to adopt these more efficient modes,” said Chris Yu, president of Also. “This launch has been years in the making and it is just the beginning of a broader platform we are building that we believe will catalyze adoption globally.”

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