Black Calibre Bossnut & Triple B Thru-axle Chainstay image 1

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A replacement chainstay for Calibre Bossnut and Triple B 27.5 inch wheel bikes.

Fits all 142x12mm thru-axle models manufactured between 2019 - 2020. All frame sizes.

If you want to fit this to a QR version 2016 - 2020 then you will need a new 12x142mm rear hub and thru-axle.

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