Enclosed-cam skewers have a much higher clamping force than Open-cam, saving you the risk of (eventually) snapping your skewer axle or acorn nut from over-tightening. Shimano make 'em, they're cheap and very good.
@Mr_B started
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Enclosed-cam skewers have a much higher clamping force than Open-cam, saving you the risk of (eventually) snapping your skewer axle or acorn nut from over-tightening. Shimano make 'em, they're cheap and very good.