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Partnership · For Business
Your brand,
built into a bike.
Co-Brand is how brands we admire become limited-run bikes, designed, engineered and built start to finish in our Taiwan factory. Street culture, cinema, luggage: the timeline keeps growing, and one email is enough to start.
Brands we've built with
How it works
Four steps to your bike
No brief templates, no committees. Tell us the brand and the idea, we take it from there.
Proposal
Tell us the brand and the idea. One email is enough to start.
Concept & Design
Our in-house team translates your brand language into frame, colour and parts.
Prototype
A rideable sample, refined together until it feels right.
Production & Delivery
A numbered limited run, built and tested in Taiwan.
In-house, start to finish
Design, engineering, paint, assembly and testing all happen in our own factory. Your idea never gets handed between vendors, it stays with one team, from first sketch to final road test.
In-house design & engineering
Product designers and engineers on the same floor as the production line.
One supply chain
Frame, paint, parts and final assembly managed end to end in Taiwan.
Numbered limited runs
Run sizes fixed at launch and never re-run, collectability built in.
Launch & market support
Product photography, spec sheets and compliance documents for your market.
Sound like you?
If your brand has a language of its own, we can build it into a bike.
Somewhere else entirely? The best chapters start as surprises.
Start the Conversation
Tell us your idea
A few lines are enough, we'll come back with questions, then a concept.
Prefer email? Write to hello@seic-bikes.com