Stackable Extensions

The extension includes Bumper Adapter

Extension is interchangeable between brands
Extension includes threaded Bumper Adapter
Extension and adapter are a Quick Release 5/16 x 18 thread
Additional bumper adapters sold separately
2 Inch (3.2 oz) - 4 Inch (3.2 oz) - 8 Inch (4.2 oz)
Lightweight carbon fiber construction
Rear extension screws into weight system Under the Bumper

Please Note: For a Snug fit, use socket in top of adapter with a 3/8 Hex wrench to tighten bumper adapter. Also, we recommend the use of Plumbers Tape around threads to further tighten and prevent loosening. (hex wrench not included)