PKT's new RC Axle Collars are the highest quality in the industry. These collars are designed with a small shoulder that contacts the adjacent inner axle bearing race. This collar is furnished with plated metric hardware, key clearance, black anodize finish & laser engraving. Available in 25mm, 30mm, 30mm w/extended lip (OTK brake side), 1-1/4", 40mm, 50mm & 50mm Xtra wide. Sold Individually.