1 pcs 60 Slot Steering Wheel Optical Encoder for Logitech G25 / G27 New 8U7Y F4S4 - Walmart.com
Logitech G27 question: refresh vs original : r/simracing
1x 30 Slot Steering Wheel Optical Encoder Fit for Logitech NEW G27/Driving Force | eBay
coopertom on Twitter: "I found the culprit! A cracked optical encoder disc. This is why my Logitech g27 steering wheel is losing calibration http://t.co/Kvpyejyf3e" / Twitter
BRASS OPTICAL ENCODER BY CM LASER SERVICE - www.cmlaserservice.com/index.html
30 Slot Steering Wheel Optical Encoder fit for Logitech NEW G27 / Driving Force | eBay