- Replacement axle sets for Wheel Master MX-4000 series hubs
- HUB AXLE SET FT WM MX4000 3/8x100x170 BO DX-21 37245 37247 37246
Size: 3/8x100x170
Spacing/Axle: B/O 3/8
Compatibility: MX-4000
Bearing Type: Loose Ball
Front/Rear: Front
OLD: 100
Length: 170