Ciro Engine Guard Highway Peg Mounting Kits are the modern solution for motorcycles equipped with 1 1/4" (32mm) diameter engine guards. Ciro's patent-pending pinless design is the solution strongest and most stylish of any engine guard mounting clamp on the motorcycle market today.The ratchet footpeg clevis is far superior to the D-spring technology of old, but if you need to use your D-spring, it still works. Available for use with HD style male peg brackets with traditional D-spring or for mounting Ciro footpegs without brackets. Mounts to any which 1 1/4" (32 mm) round tube. Also available with the Ciro ergonomic 4" (10 cm) extension.