Replacement bottom bracket on Cannondale road bike

[JonBuoy]

An overseas friend has a ten(?) year old aluminium-framed Cannondale road bike which has developed a clunky bottom bracket.  She is visiting UK and wants to purchase a replacement plus any required tools while she is here.  I have asked for the model name etc but the only thing I have to go on is the two photo's below.





I hoped that the 28-06 would provide help with identification but Google hasn't turned anything up.  They look to my untrained eye like the Hollowtech II cups that I have on one of my bikes and perusing old Cannondale tech docs has almost convinced me that this is correct.


Has anyone any thoughts on this before I send her back with the wrong bits.

[Brucey]

they look like BSC threaded HT-II cups but appearances may be deceptive. Really you need to see the make and model of the crankset to be sure; there are plenty of other cups (eg FSA ones) that look the same on the outside, use the same tool to fit etc, but are meant for a different size of BB spindle.

28-06 is probably a manufacturing date, e.g.. 2006 week 28. Shimano-manufactured cups don't have that marking, so they are definitely not those, even if they might be something compatible.

cheers

[P Walsh]

Surely if it is going to come out anyway the thing to do is remove it and see what you have in your hands.

[JonBuoy]

The problem is that it is 4000 miles away otherwise I would indeed pull it apart and investigate.

Thanks Brucey - I am sure you are correct.  I will ask about the crankset but suspect she may not know the answer.

[Torslanda]

The labelling on the crankset will be a vital clue. If I had to guess it would be FSA with a 19mm axle but if there's nothing on the cranks it needs to be stripped down and identified.