D.I.D Racing Pro NJS Chain
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D.I.D Racing Pro is a classic Japanese track chain for track, keirin, and fixed gear. It is built for 1/8-inch drivetrains and is a strong and reliable choice for bikes where the chain is subjected to high stress.
The chain is NJS-certified and thus approved for use in Japanese keirin. The certification imposes high demands on safety, durability, and uniform specifications, making the NJS mark an important part of Japanese track culture.
Racing Pro has a silver-colored, rust-protected finish and comes with 112 links. The dimension is 1/2 × 1/8 inch and fits chainrings and sprockets designed for 1/8-inch chains.
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Specifications
Specifications
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GPSR
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Build your custom dream bicycle with us
Consultation meeting
At the first step in the process, we would like to discuss with you what kind of bicycle you are looking for, and what budget you have. It is best if we arrange a meeting for this, either in the shop or online.
Quote
After a paid deposit or purchase of a frame set, we send you a detailed quote. At this stage, there is still every opportunity to adjust the choice of parts.
The bicycle is assembled
Now things are starting to happen! The quote is finalized. We order components and put everything together ahead of the build. Depending on your choice of parts, it takes different amounts of time to assemble the bike, but two weeks from approved quote is usually enough.
The bicycle is ready for delivery
You are welcome to collect your custom bicycle. We also offer shipping to all corners of the world. From our initial meeting, we have taken your measurements so that you sit correctly on the bicycle. Before handing it over, we make small adjustments together with you and, if desired, go through how to adjust and take care of the bicycle. Happy riding! =)

