Rivian Spinoff Launches Chainless E-Bikes and a Four-Wheel Electric Quad

A new micromobility startup spun out of Rivian is taking aim at urban transport with a fresh lineup of electric bikes, including a four-wheel “e-bike” designed to haul heavy cargo.

The Bay Area–based company, called ALSO, says its models eliminate the chain and derailer entirely, marking a major shift in e-bike propulsion technology.

ALSO’s chainless e-bikes and cargo quad break new ground

According to ALSO Chief Commercial Officer Ben Steele, the company’s new e-bikes use an innovative drive system with no mechanical chain or derailer, reducing maintenance and improving reliability.

The lineup includes the TMC-Quad, a pedal-assist four-wheeler that’s as wide as a large cargo e-bike but can still operate in bike lanes. ALSO says the design targets families, couriers, and small businesses needing extra load space for errands and deliveries, according to ABC7 News.

Amazon partnership aims to reshape urban logistics

ALSO President and Co-Founder Chris Yu confirmed a collaboration with Amazon to explore delivery applications for the TMC-Quad, capable of carrying “very large payloads” while maintaining a compact footprint. Urban mobility advocates say such designs could cut car dependency and ease congestion.

“This has been really popular in NYC and other cities. It helps to get cars off the road, reduces car traffic, and makes streets safer,” said Safe Streets SF’s Luke Bornheimer. The company expects Bay Area launches soon as local authorities finalize bike-lane regulations for multi-wheel e-bikes.

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