This hanger is mounted with a M8x0.75mm screw , unlike to 2012+ models that mounts with M8x1mm screws 
0
LAPIERRE 02012991 derailleur hanger + screw
Price
€21.00
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D318 derailleur hanger
Price
€38.00
Brand: Lapierre
Material: aluminium
Manufacturing: cast, anodized finish.
To choose the right hanger, please compare your current hanger to the picture. If you have any doubt, send us a good quality picture of the current hanger or/and frame (at the location of the hanger) at: contact@soshanger.com