Zipp service course 70 ergo handlebarthis bar has been designed to match all riders with a high performance precise fitting bar the service course 70 ergo features 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 ergos specially tuned drop shape creates comfortable hand positions the short 70mm reach makes it easier to control brake and shift lev