How do I measure the BCD on my front chainring — BikeRadar

How do I measure the BCD on my front chainring

Thread8

Thread8 Posts: 479

April 2010 edited April 2010 in MTB workshop & tech

As per the title, what is the correct way to measure the Bolt Circle Diameter on my front chainring?

Cheers in advance

Haro Thread 8
Please help!

"It's like parkour, on a bike"

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Posts

nicklouse Posts: 50,675 Lives Here

April 2010

http://www.sheldonbrown.com/gloss_bo-z.html

or just tell us what it is.

"Do not follow where the path may lead, Go instead where there is no path, and Leave a Trail."
Parktools :?:SheldonBrown
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Thread8 Posts: 479

April 2010

Cheers nick, iI'll give it a shot tomorrow

I dont actually know what make it is, its the stock one that came on my bike

Haro Thread 8
Please help!

"It's like parkour, on a bike"
0
nicklouse Posts: 50,675 Lives Here

April 2010

pics? make and year of bike?

"Do not follow where the path may lead, Go instead where there is no path, and Leave a Trail."
Parktools :?:SheldonBrown
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