On today’s road bikes, silver stands out amid the sea of stealthy black colour schemes. This time-honored handlebar colour is available on the Zipp Service Course stem. Since the introduction of our line of Service Course and Service Course SL components we’ve had amazing success with our pro level athletes in all disciplines. While the successes have been proving, we have also drawn from their feedback. We not only learned how and why athletes make their equipment choices, but how our manufacturing methods and materials affect product performance. With new knowledge as well as new engineering, we are proud to introduce our completely redesigned line of Service Course and Service Course SL stems and seatposts. FEATURES Distinctive silver finish Leading Stiffness-to-weight New faceplace and body geometry for greater stiffness and easier installation SPECIFICATIONS Material (SP/ST): Al-6061 Stem angle/rise: 6 degrees Clamp diam: 31.8mm Steerer clamp diameter: 1-1/8 in Hardware: Steel