http://www.bestscooterstore,com/products/Root-Invictus-Signature-Pro-Scooter.html Product Description Description The Root Invictus Signature is a stunt scooter well suited for throwing tricks all over the place. It is equipped with a high modulus alloy bar that is 50% stronger than normal aluminum bars, but the same weight. Additionally, for really smooth spin tricks, it comes equipped with IHC, an easy to maintain compression system. Wheels with a perforated core made out of aluminium, which are very durable and super stylish Featuring a flat profile, which results in a massive amount of grip and forgiving landings Specifications Total height: 85cm Compression type: IHC Wheel diameter: 110mm Weight: 121.7oz Bar width: 580mm Headset type: Integrated 1 1/8" Fork type: Threadless Material: Aluminum 6061 Deck design: One-piece Deck length: 19.5" (49.5cm) Deck width: 4.8" (12.2cm) Headtube angle: 82.5° Concave: Yes Fork design: One-piece Bar Shape: Y-shaped Bar material: High Modulus Alloy Bar height: 610mm Bar outer diameter: 35mm (Oversized) Bar inner diameter: 28mm Backsweep: No Clamp size: Double Wheel profile: Flat Wheel hardness: Not Specified Wheel hub width: 30mm Core material: Aluminum Core design: Perforated Axle diameter: 8mm Bearing precision: Not specified Brake type: Flex Fender Assembly: Partly assembled