There have two TUBE size ,28.6mm or 25.4mm，pls choose the corret one you need

Include: 1pcs fork with thru axle lever
Material: chrome , 4130, from taiwan
Weight: 1189g/pcs 25.4mm, / 1229g 28.6mm
Hub spacing(O.L.D): M 12x 100mm

Crown race: 27mm / 25.4mm tube, 30mm /28.6mm tube

Headtube: 25.4mm( 1 ") x 320mm , maybe longer ,you can cut it if you no need so long.
Tyre clearance: 700c x 42C ,appro 2.0
Compatible Flat mount disc brake
Offset: 52mm
Axle lever size : Length 122mm , M12X100mm, 1.5P