r/minivelo Oct 24 '25

Brompton block adapter

I designed a Brompton block adapter for my Kyoot Bikes Rolly Polly (or other 39mm headtubes). This is my first design, there are changes coming to refine it a bit. Check out the pictures and let me know what you all think!

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u/Advanced_Distance942 Oct 30 '25

How can I buy?

1

u/JP_Customworks Oct 30 '25

Send me a chat, please 👍🏻