Introducing the first 20” Street Tubeless rim on the market. The Alienation TCS Felon uses the most advanced drilling pattern of any bicycle rim on the market today. The new 4D drilling process creates the optimal interface between spoke and rim. This exact angle reduces binding and the need for eyelets. The I-Beam is distinctive, centrally located vertical support counteracts spoke loads and provides torsional rigidit & the new G69 material is super light with superior strength. NO RADIAL LACING. These rims are designed and drilled for 3 cross specifically. Each TCS Felon rim comes with a valve plug for the unused valve hole (TCS Felon rim drilled for both TCS and Schrader). ###section### Product Specs WHEEL SIZE: 20\" SEAM: Welded ERD: 395mm HEIGHT: TBC WIDTH: TBC SPOKE HOLES: 36h WEIGHT: TBC