The Theorem Complete is designed for the dedicated rider. Scooters are built off the deck, and this setup features a simplified version of Tilt’s innovative Theory Deck. Features include soft Metra grips, medium grit griptape, oversized aluminum handlebars, a flex fender, and custom Tilt hardware throughout. If you want to customize your setup over time, you'll be stoked to hear that this scooter is compatible with numerous wheel sizes and all of Tilt's Stage III collection. Whether you're just starting or upgrading from your current setup, the Theorem Complete is your best option to progress both your setup and your riding. Specifications Deck Size (Small): 5.0 x 20.0" Deck Size (Medium): 5.5 x 21.0" Deck Size (Large): 6.0 x 22.0" Wheel Size (Small): 24 x 110 Wheel Size (Medium): 24 x 110 Wheel Size (Large): 30 x 120 Handlebar Size (Small): 20.0 x 23.5"(W x H) Handlebar Size (Medium): 21.0 x 25.0" (W x H) Handlebar Size (Large): 22.0 x 26.5" (W x H) Overall Height (Small): 33.4" Overall Height (Medium): 34.9" Overall Height (Large): 36.6" Weight (Small): 7.7lb Weight (Medium): 8.1lb Weight (Large): 8.9lb Handlebar Material: Anodized 6061-T6 aluminum Deck Material: Anodized 6061-T6 aluminum Dropouts: Welded Fender: Adjustable flex Grips: Metra Griptape Grit: No. 60 Medium Compatibility Handlebars: Oversized 1⅜" Compression Washer: M8 Compression Thread: M8 Compression Bolt: M8 Clamp Bolts: M8 Headset: 1-⅛" Integrated Fork: 6.0" Threadless steertube Fork Axle: F5 Axle x 30mm Length Deck Axle: M8 x 54.0mm Length Wheel Spacers: M8 x 3.0mm Length Wheel Bearings: 608 Wheels: 24 x 110 - 30 x 120 Included Complete scooter Assembly of handlebars required