Home Brompton Brompton modding #4132 – Izumi single speed chain upgrade

Brompton modding #4132 – Izumi single speed chain upgrade

by Petrelli
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Izumi single speed track racing chain

Chains are often the most over looked item when we are completing a nice Brompton build up. Today, I got a chance to install this beautiful Izumi super toughness track chain. Izumi is one of the last few brands of Japaneses company that are still manufacturing their chain locally in Japan.

This Izumi adopted an “lock nut” release system to secure the chain together.

Izumi chain using the "lock nut" release system to secure the chain

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