Crankbrothers Eggbeater 3 Long-Term Review: Did They Become Reliable?

Long-term review of the Crankbrothers Eggbeater 3. Complete with disassembly and inspection of parts after 4100km/~2500mi.
:▶ Up-To-Date Pricing:
Crankbrothers Eggbeater 3
Amazon (US) amzn.to/2xHkNke
Amazon (EU) amzn.to/2y3Gaxg
Shoe Shields
Amazon (US) amzn.to/2xB1XuH
Amazon (EU) amzn.to/2whUiOS
Tread Contact Sleeves
Amazon (US) amzn.to/2yCQTvT
Amazon (EU) amzn.to/2wgX3Ag
Pedal Refresh Kit
Amazon (US) amzn.to/2wSLI8L
Amazon (EU) amzn.to/2ypaaje
Premium Cleats (standard)
Amazon (US) amzn.to/2wSLa2M
Amazon (EU) amzn.to/2whzsiz
Zero Float Cleats
Amazon (US) amzn.to/2xBJsX5
Amazon (EU) amzn.to/2wgUFJC
3-hole cleats (road)
Amazon (US) amzn.to/2wS5UI4
Amazon (EU) amzn.to/2fNnlnu
:▶ Social Network Links
Facebook: / mtbguideeu
Twitter: / mtbguideeu
Instagram: / mtb.guide
Google+: google.com/+MTB...
Website: mtb.guide