Condition: and high quality Product Name: Steering Wheel Optical Encoder Inner Shaft Diameter: . 3.15cm Suitable For:for G25, old G27(60 Slot) Fitment:For G25, old G27(60 Slot) An aftermarket 60 Slot optical encoder wheel for G25 G27; Driving Force GT Steering wheels systems. With 60 Slot encoder wheels. If your G25 G27 or DFGT system doesn't calibrate, skips steps, doesn't recognize when turning, this could help to fix your steering wheel and solve it. Designed for G25, old G27(60 Slot); Driving Force GT (DFGT). Identical to original Encoder and work flawlessly. Replace the stainless steel grating, no longer worry about the deviation of the plate. Colour:silver Material:Stainless steel Note: Doesn't fit for systems with 30 Slot encoders. Package Contents: 1 * Steering Wheel Optical Encoder Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.