Name: Runwell NJS Chainring Guage
SKU: 6205fbbc08bd1d001cccf821
Price: 300.0 TWD
Availability: InStock

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Runwell NJS Chainring Guage

Having problems to check your chain line? This tool will helps you saving bunch of times inspection before you on the road or race.

NT$300

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The regulation of NJS is "42mm±2mm from center of frame to the center of chainring."

To quickly ensure for it, you just need to put the guage on the seat post. Aline the V-groove protrusion to the frame's center, check if your chain is in the the black thick line.

It mades by hairline stainless steel which supports the sense of parallelism and right angles when working.

The burrs on the product are removed by hand, leaving some edges possible to do further machining.

*Please be careful not to rub your bike tube with the cross section of the V groove.*

Brand: RUNWELL

Color: As photo

Size: 90×35mm

Weight: 32g

Remark: Passed ISO9001 certificate.

Made in Japan.

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