Zipp Service Course Stem - 90mm 31.8 Clamp +/-6 1 1/8" Aluminum Blast BLK B2 Location=J&B WaIn Stock-STE Groove design sweeps water off

Groove design sweeps water off rim for improved wet-weather braking performance and also channels air over rim to improve cooling

Length 170 Lock Style Keyed Diameter 9

Proportionally designed platform shaped to match shoe profile

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Zipp Service Course Stem - 90mm 31.8 Clamp +/-6 1 1/8" Aluminum Blast BLK B2 Location=J&B WaIn Stock-STE Groove design sweeps water offZipp Service Course Stem 90mm 31. 8 Clamp + 6 1 1 8" Aluminum Blast Black B2. The Zipp Service Course stem delivers all you look for in a high performance stem strength stiffness reliability a precise fit and great visual look. The SC stem offers a new faceplate and body design for greater stiffness and easier installation at a price that meets any riders budget. Forged AL 6061 Machined and relieved faceplate Features stainless steel hardware with