Wheels mfg DROPOUT-685 Derailleur Hanger for Nukeproof Reactor NP-125

Wheels mfg DROPOUT-685 replacement derailleur hanger for Nukeproof (part no.: NP-125). Designed for the compatible bicycle models and frames listed below.

Compatible Nukeproof Bike Models

• Reactor Alu - 2020+
• Reactor Carbon - 2020+

Additional Compatibility Information

Axle Thread: M12x1.75

OEM and Alternative Derailleur Hanger Numbers

• Wheels mfg: DROPOUT-685
• Nukeproof: NP-125 | NP20TRHGRKT

Similar / Alternative Derailleur Hangers

• Pilo D1239 – Alternative hanger for M12x1.75
• Pilo D1122 – For M12x1.5 axle thread
• Pilo D747 – For M12X1 axle thread

Locknut: Not included.

Compatibility note: Compatibility information is provided as a guide and may not include every compatible bicycle. Derailleur hanger fit can vary by model year, frame version and production revision, so a listed bicycle may use a different hanger. Before ordering, remove the original derailleur hanger and visually compare its shape, mounting holes, threads and other details with the product photos.

How to Check Compatibility

Before ordering, check the bicycle brand, exact model, model year or frame generation, the shape of the original derailleur hanger, and any OEM or part numbers where available.

If several visually similar derailleur hangers are available for your bicycle, compare the product photos and compatibility information carefully.

Not Sure Which Derailleur Hanger You Need?

If you are unsure whether Wheels mfg DROPOUT-685 fits your bicycle, please contact us before ordering.

For identification, please send us:

• a clear photo of the original derailleur hanger removed from the frame, showing both sides;
• a photo of the bicycle frame / dropout area where the hanger is installed;
• the bicycle brand, model and model year, if known.

You can also use our Derailleur Hanger Finder or browse all replacement derailleur hangers.