Facebook Twitter LinkedIn Pinterest Bluesky Threads cracks ridden loose for a long while, replace or put back on. by im-just-not Bicycling Bike Bike Repair Biking Cycling Repair
TJhambone09 on October 7, 2025 10:56 pm Put back on and tighten. If it comes loose again shortly, replace. IOW, the best test is use, not eyes.
Kipakkanakkuna on October 7, 2025 11:38 pm In my experience these won’t stay seated only by tightening if you’ve ridden it loose. You would need to heat the crank (30 min in oven, 200 C) to expand the hole and seat it deaper into the taper. Overtighten and it should stay on.
2 Comments
Put back on and tighten.
If it comes loose again shortly, replace.
IOW, the best test is use, not eyes.
In my experience these won’t stay seated only by tightening if you’ve ridden it loose. You would need to heat the crank (30 min in oven, 200 C) to expand the hole and seat it deaper into the taper. Overtighten and it should stay on.