Mystery crank arms

[cromegaman]

Does anyone recognise these arms? Cut out to the rear is quite different

 

[mdvineng]

Sport LX

 

[cromegaman]

Sport LX

Ah no, sport LX have the flat backs with the Shimano part number embossed as standard

 

[mdvineng]

Could be an OEM part, for one specific bike manufacturer then, hence no marks and saving material on the back flute

 

[cromegaman]

Could be an OEM part, for one specific bike manufacturer then, hence no marks and saving material on the back flute

Yeah was thinking that, it was off a SAKAE LITAGE so my initial thoughts was a sakae unit but need an exact match

 

[My_Teenage_Self]

they have a very similar profile to Campagnolos.

 

[retrobate]

they have a very similar profile to Campagnolos.

Campag Centaur or similar that has been modified by someone with a milling machine.