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12mm-10mm Small End Conversion Bearing


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High quality silver small end conversion bearing for Minarelli moped engines. The best bearings available on the market!
The standard Aerox crank pin is 10mm... this conversion bearing allows you to use 10mm piston or cylinder kits with a 12mm performance Stage6 crankshaft.

This bearing will fit Stage6 cranks which use a 17mm diameter conrod small end
Be aware that 12mm oversize cranks from other manufacturers often use smaller diameter conrods (15 or 16mm) so check your conrod diameter carefully if your crank isn't Stage6.

To convert oversize cranks designed for 12mm gudgeon pins with 15mm or 16mm diameter conrod small end you can use one of these...

15mm x 12mm small end bearing
15mm x 12mm small end bearing
16mm x 12mm small end bearing

but check the width is suitable
if in doubt contact us!!

Size = 10mm ID x 17mm OD x 13mm wide

Stage6 S6-802055

  • Malaguti 50cc F10,F12,F15
  • MBK 50 (all)
  • Yamaha Aerox 50
  • Yamaha BWS 50cc
  • Yamaha Jog R/RR
  • Yamaha Neos 50 (2-stroke)
  • Yamaha Slider