The Zipp Service Course SL 17º stem is made from 7075 aluminium, featuring a shape that is both strong and light, resulting in a best-in-class 1.85 grams per newton metre of stiffness.
Features:
– Use: Road
– Service Course SL OS stem made for bikes with 1-1/4″ steerer tube
– Aluminium Matte Black Nano Blast
– Universal faceplate B2
– Sweep: 17º
– Weight: 135 g










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