Zipp: Zipp s Service Course lineup is all about providing 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 "e; a designed based on feedback from pro bike fitters and riders and an ergonomic top section.The Service Course-70 Ergo featured trickle-down innovation from the Service Course SL-70. That includes the drop dimensions and a contoured top for a natural ergonomic grip on the bar tops for all-day comfort.The Service Course-70 Ergo s specially tuned drop shape creates comfortable hand positions with the short reach to control levers vital for race situations. The bar s 70mm reach (the horizontal distance from the bar s stem clamp area to center of the brake perch) is the shortest of Zipp s new Service Course lineup. Its 128mm drop (vertical distance from bar s stem clamp area to bottom of drops) help puts the rider low and in control without compromising comfort. With the revised ramp angle, proper fit is now achievable on even the toughest fits. Whether it s a rider with a shorter torso or a bigger rider getting aero by pairing this bar with a long stem, this bar helps put just about any cyclists into his or her optimal position.