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Zipp Speed Weaponry Service Course SL-OS Stem - 70mm, 31.8 Clamp, 6 deg, 1-1/4", Aluminum, Matte Black, B2

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Zipp’s Service Course SL Stem is crafted from 7075 aluminum, and features a shape that’s strong and lightweight. To meet the needs of different riders and fit, the stem is available in multiple options.

  • Wide range of sizes and 6 deg angle
  • Service Course SL OS stem made for 1-1/4” steerer tube bikes
  • Lifetime warranty