AMP Research B4 sizing

[Akula]

I read somewhere that the core frame was the same size for all B4s but the seat sub frame was different depending on the frame size. Can anyone confirm that ?

 

[Gerard]

Re:

This might helps you, another thread on here covering sizing:

http://www.retrobike.co.uk/forum/viewto ... 0#p2729587

http://www.retrobike.co.uk/forum/viewto ... 0#p2761367

 

[Akula]

Re:

Fantastic, don't know why I haven't found that before.

Just measured my L B3 and it's only a tad bigger than a M B4