it reduces drag

These are 'upswept' drag pipes as they have a slight bend in bottom run towards the rear of the pipe

Stock Harley grips are molded to a flexible plastic tube inside the hand control

• Meets Industry Standards: Complies with API GL-4 specifications

- Capacity: Fits up to five 16-gauge cloth-covered wires

1.7 inch Rise Forged Aluminum Handlebar Risers for Harley-Davidson - Chrome Gas Cap Venting_Vented it reduces dragThese risers are are forged from 6061 T6 aluminum for superior strength and offer 1. 7 inches of rise. Drilled and tapped for stock 1 2" 13 riser bolts (bolts sold separately). CNC machined for precision fit on handlebars with a 1 inch diameter clamping area and designed to fit applications with 3. 5" center to center mounts, such as all Harley Davidson motorcycles. These risers accept OEM style Harley Davidson top clamps. Sold as a pair.