RockyMounts DriveShaft HM is our locking 15mm/20mm thru-axle bolt on system for trucks, SUV's, and trailers. Comes with a flat mounting surface designed for "do it yourself" bolt on installation. Designed with a wide mouth opening to easily load your bike and a T-Bolt that adjusts for a tighter hold; thru-axle cannot be unscrewed. Lock and keys included. Features Snap in nylon shims allow you to switch between 15mm and 20mm thru-axles Wide mouth opening for easy loading Adjustable T-bolt for a secure hold; thru-axle cannot be unscrewed. Lock and keys included Dummy axle and 9mm QR available for carrying a fork with standard dropouts. Sold separately here Height = 4.5" Mounting Hole Spacing = 4 3/8" (center to center) Mounting Hole Size = 6mm Color: Black
