X2 Mavic freehubs. Both are still very capable with plenty of life left.
Hope Pro 2 Steel Freehub Body 8/9/10/11 Speed
Odorkle Freehub Body, 11 Speed Aluminum Alloy Bike Freehub Body with 2 Bearings 15mm Hole Freehub Body for Mountain Road Bikes
Keenso Mountain Road Bikes 11 Speed Bike Freehub Body 2 Bearings11 Speed Freehub BodyFreehub Body with Bearings, 15mm Hole Replacement Part 15mm Freehub BodyCassettes & Freewheels
11 Speed Bicycle Freehub Body, Freehub Body Replacement, Bicycle Freehub Body,12Mm/15mm Shaft Ratchet Body(12mm)
11 Speed Bicycle Freehub Body, Freehub Body Replacement, Bicycle Freehub Body,12Mm/15mm Shaft Ratchet Body(15mm)
12 Speed Bicycle Freehub Body, Freehub Body Replacement, Bicycle Freehub Body For-Shimano For-MicroSpline
