New MTB Bike Bicycle Comfortable Lock On Handlebar Rubber Grips + Bar End Black BLACK Size:Diameter:30 45mm Vice Grips Size:Length*Wide*Thick=128mm*45mm*30mm Material:Aluminum alloy and TPR Ergonomic grip shape is molded to work with your body Prevent wrist and hand pain with these ergonomic locking sport bicycle grips, Alloy locking clamp system