2019-2020 Bossnut & Triple B Thru-axle Chainstay

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.