Zipp Service Course lineup provides options to match every rider with a high-performance, precise fitting bar. The Service Course 70 Ergo packs a powerful punch of everything you’d want in a bar – a design based on feedback from pro bike fitters and riders, an ergonomic top section, and a price you’ll love. Contoured top bar for natural ergonomic grip. Drops angled out 4 degrees with 10 degree ramp angle. Aluminum 6061 construction. 38cm Not compatible with clip-ons. Item Specifications: Drop Bend Style: Compact, Defined Color: Black, Width Measurement: Center, Accessory Mount Diameter: 31.8, Width: 40, Cable Routing: External, Bar Top Style: Flat, Clip-on Compatible: Yes, Color: Bead Blast Black, Bar Drop (mm): 128, Material: Alloy, Bar Reach (mm): 70, Bar Clamp Diameter (mm): 31.8, Flare: 0,