Home  -  Map  -  Prostate Cancer  -  Cycletouring  -  Highpath  -  EGGrings  -  Swing Crank  -  BROX  -  Cycle Tech  -  RISC OS
 

Cycle information   -  Cranks with 3 chainring bolts

 

Use these bolt spacings to identify your crank's pcd and smallest chainring.
For other 3 bolt cranks:     pcd   =   1.1547   ×   bolt spacing.

3 bolt chart

 

Notes

minimum Oval  =       minimum round     
                 1 - ( 0.004 × ovality )

back to tech. pages   <   top

 

Wales

CHRIS BELL
Cornant, Cribyn, Lampeter, Ceredigion, SA48 7QW, Wales, UK
chris@cornant.uk

 
©  Chris Bell