It is for disc brake. Axle system: 12x142mm thru axle. If you have any question please write to me. Where you can find more vintage bicycles stuff. Thank you for your interest.The item "CANNONDALE HABIT aluminium frame, Rock Shox MONARCH RL, 650B, Size S, VGC" is in sale since Friday, July 9, 2021. This item is in the category "Sport\Radsport\Fahrradrahmen". The seller is "nice_vintage_things" and is located in Lubin. This item can be shipped worldwide.