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BCD on a chain ring
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Topic: BCD on a chain ring (Read 568 times)
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Oldboyburner
Curb Endo
Posts: 103
Rated:
BCD on a chain ring
«
on:
April 17, 2014, 10:18 PM »
Can anyone tell me what it would be on a sugino 44 t
110?
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OBB
stidds
Site Supporter
My life is Radbmx
Posts: I am a geek!!
Rated:
Re: BCD on a chain ring
«
Reply #1 on:
April 17, 2014, 10:41 PM »
I am pretty sure all Sugino is 110 BCD
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Oldboyburner
Curb Endo
Posts: 103
Rated:
Re: BCD on a chain ring
«
Reply #2 on:
April 17, 2014, 10:47 PM »
Cheers mate
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OBB
Dark Diggler
Berm Worm
Posts: 12607
Rated:
Re: BCD on a chain ring
«
Reply #3 on:
April 17, 2014, 10:48 PM »
All of them except the 130 BCD ones
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Whats the matter Kid, don't ya like clowns? Don't we make you laugh? Aint we fukkin funny?
stidds
Site Supporter
My life is Radbmx
Posts: I am a geek!!
Rated:
Re: BCD on a chain ring
«
Reply #4 on:
April 17, 2014, 11:06 PM »
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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bobbbbsy
900 Air
Posts: 3634
Rated:
Re: BCD on a chain ring
«
Reply #5 on:
April 18, 2014, 12:20 AM »
pretty good that sean - or
sheldon says - Measuring BCD: This 110 mm BCD ring measures 64.7 mm center-to-center.
Multiplying this dimension by 1.7 will give you the actual BCD for a 5 bolt chainring.
Use 1.4 for 4 bolt chainrings
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That Swan Guy
Team Moderator
Double Flip Whip
Posts: 6549
Rated:
Re: BCD on a chain ring
«
Reply #6 on:
April 18, 2014, 08:19 AM »
Aren't Sugino rings both?
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Who wants to ride with Eddie Fiola?
Jaan
Tail Whip
Posts: 5263
A.K.A. Chris
Rated:
Re: BCD on a chain ring
«
Reply #7 on:
April 18, 2014, 08:24 AM »
No, typically they're 110
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snoopy72
Cherry Picker
Posts: 1015
Rated:
Re: BCD on a chain ring
«
Reply #8 on:
April 18, 2014, 08:45 AM »
Takagi 130bcd
Sugino 110bcd
Pro / tuf neck 110/130
Takagi MX 120bcd
PPP 110/130bcd
Shimano 130bcd
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