Catastrophic Failure

Posted on Fri 19th, October 2007

• #1

ro-LAND

300 yards from my house... after the first skid of the day... Suddenly feel that coasting sensation.

My chain has popped off. Then I look more closely... I had managed to snap my chainring in two places.

That's a new one. Anyone got a crankset on the market?
• #2

dogsballs

got a spare 52T campag road (130 BCD??) chainring hanging on my door and a 18T 1/8 sprocket, you could borrow
• #3

provenrad

^ campag road is 135BCD I'm pretty sure.. compatibility issues!
• #4

ro-LAND

God knows what I have...

It is a Stronglight 80 crankset... Anyone know what the BCD is?
• #5

provenrad

BCD will be either 110 or 130mm?
Measure the distance between 2 adjacent chainring bolt holes and use the chart near the top here: http://www.sheldonbrown.com/gloss_bo-z.html
I folded a chainring once.. it was steel so i bent it back and rode home slowly. Tighten up + check your chainring bolts!
• #6

Nicholas

Snap! The very same happened to me the other week! I've been off it ever since..
• #7

ro-LAND

No can do... the chainring actually sheared in two places.

Basically I am a fcuking idiot. Bought a stronglinght crankset on ebay, thinking it would be all right...

It turned out to be a Stronglight 80... The spider is tiny: from what I can see on t'internet the BCD is 86mm.

No wonder it sheared.
• #8

provenrad

weak... thats tiny!
If you are going to persevere: http://www.spacycles.co.uk/products.php?plid=m2b2s149p408
• #9

jonny

mate of mine was using the stronglight 80 - one chainring held up for about a year (surprisingly) but the second one only about three weeks. that spider is crazy small. condor advised him not to skid cos they are so weak.

anyway, i just gave him my only spare chainset so can't help ya
• #10

ro-LAND

I think I will just pick up a cheap RPM set and use that.

It is only for the Pug Beater, after all...
• #11

jonny

roland I think I will just pick up a cheap RPM set and use that.

It is only for the Pug Beater, after all...

way to go
• #12

dogsballs

maybe try the bullett ones, or r they the same?!?!
• #13

photoben

How soon do you need it? I'm gonna be getting some new cranks soon, and will have some Bontrager race cranks + BB going spare.
• #14

ro-LAND

Cheers PBen...

I have gone back to my RPM-on-the-right-and-random-left-crank combo...

BUT I have a Carlton frame on the way that I want to make something special out of.

When will the cranks be available?

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