Wheels Manufacturing Dropout 323 Derailleur Hanger Specialized Pair
All Wheels Manufacturing replacement derailleur hangers are produced in our Colorado shop to exacting tolerances.
- CNC machined 6061 aluminum
- Black anodized finish
- Attaches to frame with (1) M3x6 socket head screw
- Fastener not included
- For use with M12x1.0 Thru Axle
- Replaces Specialized Part #S172600001
- Includes both sides of the derailleur hanger
Notes:
- A number of Stumpjumper FSR models changed hangers mid-year 2018 from DROPOUT-301. Visually compare your current hanger against this one for exact fit!
Product Information
Product Information
Shipping & Returns
Shipping & Returns

Wheels Manufacturing Dropout 323 Derailleur Hanger Specialized Pair
Wheels Manufacturing Dropout 323 Derailleur Hanger Specialized Pair
All Wheels Manufacturing replacement derailleur hangers are produced in our Colorado shop to exacting tolerances.
- CNC machined 6061 aluminum
- Black anodized finish
- Attaches to frame with (1) M3x6 socket head screw
- Fastener not included
- For use with M12x1.0 Thru Axle
- Replaces Specialized Part #S172600001
- Includes both sides of the derailleur hanger
Notes:
- A number of Stumpjumper FSR models changed hangers mid-year 2018 from DROPOUT-301. Visually compare your current hanger against this one for exact fit!
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
All Wheels Manufacturing replacement derailleur hangers are produced in our Colorado shop to exacting tolerances.
- CNC machined 6061 aluminum
- Black anodized finish
- Attaches to frame with (1) M3x6 socket head screw
- Fastener not included
- For use with M12x1.0 Thru Axle
- Replaces Specialized Part #S172600001
- Includes both sides of the derailleur hanger
Notes:
- A number of Stumpjumper FSR models changed hangers mid-year 2018 from DROPOUT-301. Visually compare your current hanger against this one for exact fit!























