The Zipp Service Course 70 Ergo Handlebars are part of Zipp’s Service Course line-up; providing options to match every rider with a high-performance, precise fitting bar. The Zipp Service Course 70 Ergo Handlebars pack 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. Zipp Service Course 70 Ergo Handlebars Features 6061 Aluminium for light weight and durability 70mm reach and 128mm drop for a short-low position Flattened top shape to better fit the hand Clip-on Compatible Affordable ISO 4210 compliant. Zipp Service Course 70 Ergo Handlebars Specifications Material (HB):  AL-6061 Reach (HB):  70mm Drop (HB):  128mm Width (centre-to-centre):  38cm, 40cm, 42cm, 44cm Clip compatible:  No (38cm only), Yes Clamp diam:  31.8mm Ramp angle:  10° Outsweep:  4° Backsweep (degrees):  3 Drop shape:  Variable Clamp width:  70mm (38cm), 90mm (40cm & 42cm), 110mm (44cm)