A short and snappy modern topload stem. Perfect for 16" and 18" bikes or riders wanting a shorter reach on their ride. Material: Alloy 6061-T6, forged finish  Steerer Tube: 1 1/8" Rise: 33 mm Weight: 311g (10.97oz : 0.68lbs)Features Top loading stem design  33mm rise 45mm extension with central bore for reduced weight Specific short reach design 18" and junior bmx bikes STC (Shark Tooth Clamping) for maximum bar grip