Zipp Service Course SL-80 Ergo Handlebar Handlebar Bags This is the tire that

This is the tire that earns its reputation on real trails

2 gives you a controlled

85mm thick with UCI-compliant rounded edges

and endurance frames at an accessible price

Designed specifically for the Shimano Ultegra RD-6800 11-speed rear derailleur

Zipp Service Course SL-80 Ergo Handlebar Handlebar Bags This is the tire thatWho Should Ride the Zipp Service Course SL 80 Ergo Bar? The Zipp Service Course SL 80 Ergo Handlebar is designed for riders who want a medium reach, shallow drop, and genuine ergonomic geometry for endurance road riding and all day efforts. At 80mm reach and 125mm drop, it suits riders who want to reach down to the drops rather than deep into them, while the flattened top section with 3 backsweep places wrists in a neutral, comfortable position across