GPM has released XMods Evolution Touring Alloy back Adjustable Knuckle Arm With Delrin Colla& Screws 1pr set XMODS EVOLUTION (TOURING) ALLOY BACK ADJUSTABLE KNUCKLE ARM WITH DELRIN COLLARS & SCREWS - 1PR SET - GPM XME022A *6x10x0.95 DELRIN SHIMS use FOR 6x10x2.5 BEARING *6x10x3 DELRIN BUSHING MATCH KNUCKLE (EXCLUDE DELRIN SHIMS)