Technical & Reference Section > Tech and Restoration

BCD on a chain ring

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Oldboyburner:
Can anyone tell me what it would be on a sugino 44 t
110?

stidds:
I am pretty sure all Sugino is 110 BCD

Oldboyburner:
Cheers mate

Dark Diggler:
All of them except the 130 BCD ones :daumenhoch:

stidds:
Just measure it to be sure, it is dead easy to find out the BCD...



Bolt Circle Diameter   Hole to Hole
Diameter                 Cntr to Cntr


5 Bolt Chainrings

56mm         32.9mm
58mm         34.3mm
94mm         55.4mm
74mm          43.5mm
110mm         64.7mm
130mm         76.4mm
135mm          79.5mm
144mm          84.6mm

4 Bolt Chainrings

58mm          41.0mm
64mm          45.3mm
68mm          48.1mm
104mm          73.6mm
112mm          79.2mm

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