Superlight 20mm Clincher Alloy Bicycle wheelset YS-AL20C-29ER 1.super light 2.high end hub 3,high performance Superlight 20mm Clincher Alloy Bicycle ... wheelset YS-AL20C-29ER 29er super light alloy MTB ... clincher rims,20mm profile,with high end mtb hub,440g/pair,; ...