It's excessive. Rim designers and wheel designers know about this and a lot of rims just take it into account. My Fulcrum wheelset on the geared bike has extra bits cut-out on the valve side to make it lighter there, so that when you factor in the valve it's all even stevens.
It's excessive. Rim designers and wheel designers know about this and a lot of rims just take it into account. My Fulcrum wheelset on the geared bike has extra bits cut-out on the valve side to make it lighter there, so that when you factor in the valve it's all even stevens.