Zipp Service Course SL-70 XPLR Drop Handlebar - Aluminum 31.8mm 44cm Matte BLK A2 ModelNumber=K2691 8mm stanchion ID): '09-11 SID

8mm stanchion ID): '09-11 SID 100/80mm (and '12 1-1/8 inch carbon)

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Zipp Service Course SL-70 XPLR Drop Handlebar - Aluminum 31.8mm 44cm Matte BLK A2 ModelNumber=K2691 8mm stanchion ID): '09-11 SIDZipp Service Course SL 70 XPLR Drop Handlebar Aluminum 31. 8mm 44cm Matte Black A2. Zipp's Service Course SL 70 XPLR. The bar's moniker XPLR exemplifies the desire to explore the world with an expanded definition of cycling on a drop bar bicycle from paved roads onto gravel mud dirt and even single track. The Service Course SL 70 XPLR help you go faster by placing your body starting with your hands in an optimal "comfort zone" position for hours of