PART NUMBER :  AT4019 DESCRIPTION : This is a pair of optional blue anodized aluminum front c-hubs for the Team Associated T4 FEATURES: Blue Anodized Aluminum YOU WILL RECEIVE: Two Aluminum Hubs REQUIREMENTS: Assembly onto T4 SPECIFICATIONS: length: 16mm height: 31mm Thickness: 12.7mm COMMENTS: For replacement Delrin collars use DAT4019 MANUFACTURED BY: GPM Racing