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Supposedly a Q-factor of 160mm
From what I've read the octalink 118mm bb and putting the ring on the outside of the 7700 cranks replicates the 160mm give or take a mm or so.
Also got a loooaaaaaddd more goodies on the way......
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I'm an idiot. Wrists were hurting a bit.
Return the bike before you carry on further for an M type.
Or fit the new M type handlebar plus new cableset (required).
Dick
edscoble
@TurtleRecall
I'm an idiot. Wrists were hurting a bit, had a look online and consensus seems to be ergon grips. Read a few things all saying you had to cut the old grips off. Bought some and chopped the old one off but couldn't fit the ergon. Then realised that the original grip was held on by an Allen key and didn't need chopping off.
I am not a smart man.
@Dick those cranks look fun. I think I've got some 170mm track cranks kicking about. What's the Brompton chain line supposed to be?