1. Made of aluminum alloy, strong and durable, high strength and light weight 2. Easy installation and flexible operation 3. Applicable: one-piece riser with tooth front fork modified with split riser 4. Material: aluminum alloy 5. Size: 22.2/25.4mm 6. Size: the diameter of the upper section is about 28.6mm, the diameter of the lower section is about 22.2/25.4mm, and the length is about 16 cm 7. Weight: about 155 grams for 22.2mm, about 180 grams for 25.4mm