Recent content by mjatti

Oh, now I understand. The shorter Sempu T4 in your picture has a retaining ring to hold the bearings in place. My 100/175mm version doesn't, so the bearings are indeed press fit. So, after inspecting the BB, a plastic ring around the PCB is cracked and at least two very small wires behind the...

My 3rd gen Sempu (T4) for 100mm BB is acting up and after removing it I discovered it was moist and filled with dirt. No rust thought. After attempting to pull, hammer and apply heat and WD40 to the bearings, they simply refuse to move a single millimeter. Using the bike for some 1500km has...