Burley Thru-Axle - 12 x 1.5mm 172-178mm 775g The initial position of the

The initial position of the rear derailleur can be adjusted to suit any cassette

Campagnolo (45 x 45) 41

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Bearing Grade ABEC 3 Bearing Dimensions 15x24x5mm Material Steel Number 6802

Burley Thru-Axle - 12 x 1.5mm 172-178mm 775g The initial position of theBurley Thru Axle 12 x 1. 5mm 172 178mm. Burleys adapter for bikes with a 12mm thru axle. Stock thru axles are not able to accommodate any sort of axle mounted hitch system. These thru axles have an external male threading on the end to accommodate the installation of Burleys axle mounted hitch system.