Please visit
https://wheelsmfg/derailleur-hangers/manufacturers.html
To determine the correct derailleur hanger for your bike.
Lengthens your existing hanger 21 mm for use with larger rear cogs
Fits all standard mount hangers
42t max rear cog in a 1x setup
40t max cog w/Shimano or Campy standard mount derailleurs
40t max cog w/SRAM derailleur when used with double or triple ring crankset
36t max when used with Campagnolo crankset
CNC machined 6061 aluminum
Includes steel fixing bolt
Red anodized finish
UPC code : 811079024978
Manufacturer # : DROPOUT-E
SPECIFICATIONS
FITS : Most bikes
MODEL : DROPOUT : -E
SUB CATEGORY : Hangers