1. Made from aluminum, durable to use. 2. Silver protective anodizing surface, keep risers surface comfortable to touch and prolong service life. 3. Adds an additional 1 inch in height and places handlebar 1 inch closer to the rider. 4. Allows a more upright riding position. 5. Decreases shoulder, neck, back, and arm fatigue. 6. Fast and easy installation - no extra parts or modification needed. 7. Specification: Material: 6061 T-6 billet aluminum Surface finish: anodized Process machining: CNC machining Add height: 19mm