The Grime frame is the signature frame of Denim Cox. Whether hes riding motocross, Barbie bikes or BMX, you know Denim tears it up on all terrain. Designed to Denim’s specification, with a steep 75.5 headangle, a 12.8 - 13.2” rear end length with an invest cast chainstay yoke for extra tire clearance and a 9” standover.Features-Sanko Japanese seamless 4130 chromoly-Investment cast yoke for strength and tire clearance-7mm thick investment cast dropouts with integrated chain tensioner bolts-Integrated investment cast seat clamp-Brake mounts: none-Weight: 5lbsItem Specifications-Color:Black-Mfg Size:21.2-Rear Axle:14mm Threaded x 110mm-Platform:Grime V2-TT (Effective):21.2-Wheel Size:20"-Fork Type:Not Included-Frame Material:Steel-Defined Color:Black