The Links are internally threaded right hand at one end and left hand at the other to make them easily adjustable in length without having to remove the bolts from the rod ends. These linkages are manufactured to be within excellent tolerances. These are commonly used for motorsport

Gsxr1000 k5-k6 standard  dogbones are 175mm 

These have a adjustment range 160mm - 190mm center to center distance, so you can adjust the bike height as much as you like.  Sorter will raise the rear, longer will lower the rear.  10mm adjustment will alter the rear of the bike by about 25mm

there is an option of 180mm-210mm that will lower the rear even more, please check our other listings 

M12 rod end

- Outer Diameter: 16mm

- Made from Carbon Steel 1045 (C45) *

- Zinc plated to give excellent resistance to corrosion.

- Save time by using these in place of drilling and tapping out.

- CNC precision machined.

- Flat spanner size central section for easy adjustment. 

- Manufactured to within excellent tolerances.

- Attractive looking product, nice finish.

- No need to remove bolts to adjust the linkage length, just simply turn the link bar to either extend or shorten the linkage.

* Carbon Steel 1045

C45 is a medium carbon steel is used when greater strength and hardness is desired than in the "as rolled" condition. Extreme size accuracy, straightness and concentricity combine to minimize wear in high speed applications. Turned, ground and polished. 

Physical properties (average values) at ambient temperature 

Modulus of elasticity [103 x N/mm2]: 205 

Density [g/cm3]: 7.85

Specific heat capacity[J/g.K]: 0.48

package includes a set of 2 links