Originally Posted by
gerundium
Old post but the spacer was on there. Only thing that was observeable that could cause such a clamping force was the mentioned corrosion. Clicking sound was later solved by retensioning the spokes and lubing the eyelets by removing the rim tape. Wheel takes some abuse but is now functioning just fine again.
Yes. I have a few cassette bodies to switch between 10 and 11 and when you pull them off, the spacer *usually* stays on the axle.
One time it didn't it came out with the body, and I just stuck the new body on and it took me a while to figure out where the part had gone to.