Standard Features (V2 and V3) Hardened Stainless Steel Bushings Forged 7075T6 aluminum More material in the main pivot bearing area Abec 5 bearings Pressed in rubber seals Includes new Stainless Steel bushings for a precision, no-slop fit Available in 5 colors Warp 9’s V2 linkage Weights less than Other Aftermarket Risers Warp 9’s new and improved V3 linkage Warp 9’s new and improved V3 linkage has improved features: Warp 9’s V3 linkage in an OEM Height linkage Now greaseable with Zerk fittings Includes Low profile Zerk fitting for triangles that might hit traditional Zerk fittings Includes traditional Zerk fittings that fit most grease guns. Pre lubed with Lucas Red Stick Grease Forged 7075T6 aluminum Hardened Stainless Steel Bushings Revised needle bearings with thicker needle cage