Total BMX Techfire Cassette Rear Wheel  The Total BMX Techfire Cassette Rear Wheel is a Pre-Assembled Pro-Level BMX Wheel, built for Park, Street, and Dirt Riding. Featuring the Switch Drive System, it allows riders to switch between Left or Right Hand Drive easily, while delivering Durable Performance and Stylish Design with Rainbow Spokes. Specifications Total BMX Tech 2 Female Cassette Hub CNC Machined 6061-T6 Alloy Shell Heat-Treated Chromoly 10mm Female Bolts 17mm Hex with 6mm Allen Broach Proud 14mm Centre Axle Fits 14mm Dropouts Switch Drive System Polymer Driver Bushing 6902 Precision Sealed Bearings Total BMX Spitfire Rim 6066 Alloy (Stronger than Standard 6061) Cross-Laced Spoke Pattern Double Wall Construction Welded Seam 16mm Tall, 34mm Wide ERD: 394mm Total Tech Double Butted Spokes Stainless Steel Spokes Double Butted to Save Weight Brass Nipples Glossy Black Finish Key Features Pre-Assembled Pro-Level Rear Wheel for Easy Installation Switch Drive System Allows Left or Right Hand Drive Lightweight and Durable Design for Aggressive Riding Rainbow Spokes Add a Unique, Stylish Touch Weight Approx. 1.16kg / 2lbs 9oz