I need to order a new bottom bracket to go in the above frame. Anyone know what the size is? (length, diameter, spindle length)

C

68mm shell but what chainset you fitting?

Shimano 105 triple

Square taper, Octalink or Hollowtech II chainset?

Octalink

118mm axle length. In 105 octalink there were two lengths, 109.5mm for doubles and 118mm for triples.

So I can order this on

http://www.chainreactioncycles.com/Models.aspx?ModelID=2337

C

Nope that won't work as that is an MTB spline. You need a BB5500 which is a road spline BB.

BB5500 here but at the moment CRC are out of the size you need.

oh bums

– Thanks v.much for your help

C

Just got from Wiggle, £18,

thanks again

C

No problem, happy to help.