After watching Youtube on how to repair the solid axle of my bicycle, I finally managed to replace it but not as shown on those videos. Those videos rely on removing the flywheel or the gear wheels first. I bought my flywheel remover tool from Shopee but it was tooo short and the torque required to open it is too high for me. And I don't have a large clamb as recommened by ParkTool Youtube channel. Actually we do not need to remove the flywheel. Just leave the grease seal inside wheel. Jam the seal with a large screw driver and remove the axle from the wheel. To install it, you screw in the grease seal plunger as far as you can. You need to sacrifice the space on the non-freewheel side initially. You screw the bearing seal and its plunger outside as far as possible to allow the plunger at the freewheel side to go inside the freewheel, and the location of the bearing seal. The bearing seal contains 9 pieces of bearings. Their grease has become so hard so I need to replace it with
