Profile Design 1/Seventeen Stem - Black Size:90mm +/-17 Each clamp is equipped with

Each clamp is equipped with a locking knob

fixing the puncture and preventing future air loss for a quick and easy repair

With increased clearance for 28 mm tires

you can acquire more accurate detection data and capture real-time heart rate changes more efficiently

With optimized material concentrated at the brace and seal area

Profile Design 1/Seventeen Stem - Black Size:90mm +/-17 Each clamp is equipped with1 Seventeen Simple, elegant, lightweight design can be run in negative or positive position for 17 17 in rise. 3D forged 6061 T6 aluminum combined with a 4 bolt faceplate provides increased stiffness. Weight: 162g (100mm) Length: 70, 80, 90, 100, 110, 120, 130mm (17) Material: 3 D Forged 6061 T6 Aluminum Clamp Diameter: 31. 8mm Angle: 73 (17) Steerer Tube Diameter: 11 8in Stack Height: 40mm Clamp Width: 40mm Clamp Torque: 5Nm Finish: Matte Black