Spiny Launched Spiny 2 E-Bike Conversion Kit
The new e-bike conversion kit has already surpassed its crowdfunding goal on Kickstarter.
Updated on Oct. 7, 2026 in Electric Vehicles
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Spiny has launched its Spiny 2 e-bike conversion kit on Kickstarter, offering a lightweight motor system for standard bicycles. The campaign has already attracted 406 backers looking to upgrade their cycling experience.
Why it matters
The conversion kit provides a cost-effective way for cyclists to add electric assistance to existing bikes without the investment required for a full e-bike. This modular approach allows users to retain their current bicycle frame while gaining electric propulsion.
The Spiny 2 weighs 2.2 kg and provides 750 W of peak power, reaching a top assisted speed of 20 mph. Backers can currently secure the kit for a price of $350.
The players
Spiny
Spiny is a manufacturer specializing in portable e-bike conversion technology.
Kickstarter
Kickstarter is a global crowdfunding platform that helps inventors and creators fund new product launches.
The details
The system utilizes a direct-drive friction mechanism on the rear tire, featuring both speed and cadence sensors for assistance across five levels. Users install the device by attaching a mount with a quick-release system directly to the seat tube of their bicycle.
Timeline
The original Spiny conversion kit launched in 2024.
The Spiny 2 Kickstarter campaign launched in October 2026.
Spiny expects to deliver the conversion kits in April 2027.
Roadmap
The Spiny 2 follows a trend established by the aftermarket e-bike conversion kit market by offering a modular alternative to purpose-built electric bicycles. This product signals a shift toward lightweight, user-installable upgrades that challenge the dominance of heavier, integrated e-bike models.
Interested cyclists can secure the unit at a $350 price point through the current campaign. The quick-release mounting system simplifies installation, allowing for potential portability between different bicycle frames.
The takeaway
The Spiny 2 offers a lightweight, flexible option for those looking to electrify their current bicycle rather than purchasing a new vehicle. Prospective buyers should consider the compatibility of the seat tube mount with their specific bike frame before committing to the campaign.
Further reading
Explore the broader Electric Vehicles sector for more information on the evolving e-bike market.
Source note: This article includes information reported by Autoevolution.
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Is now a good time to use an e-bike conversion kit to upgrade your current bicycle?
