Derailleur Hanger For Trek W524188 (5281894) – Compatible with Boone, Domane & Émonda Disc Frames

Trek W524188 Rear Derailleur Hanger

Replacement rear derailleur hanger for selected Trek road and gravel frames. The supplier identifies the model as W524188 and lists Trek part reference 5281894.

Supplier-Listed Compatible Frames

• Boone: 2018–2019
• Domane ALR Disc: 2018–2019
• Domane SLR Disc: 2018–2019
• Émonda ALR Disc: 2018–2019
• Émonda SL Disc: 2019
• Émonda SLR Disc: 2019
• Domane SL Disc / Domane SLR Disc: 2017

The supplier does not provide an expanded year range for every frame in this list. Check your model year and compare the hanger profile with the product images before ordering.

Product specifications

• Supplier model number: W524188
• Trek part reference: 5281894
• Component: Rear derailleur hanger
• Material: Aluminium
• Package contents: Selected quantity of rear derailleur hanger(s) with bolts

Available Pack Sizes

• 1 piece
• 2 pieces
• 5 pieces

Select the required pack size at checkout. A separate Trek hanger listing in the catalogue also references W5281894 / 524188 and mounting-type options. These supplier references overlap, so confirm the number and mounting profile from your original hanger before choosing between listings.

Compatibility Assistance

Send BicyclePartsZA your exact Trek model, model year and clear photos of your existing hanger from both sides and the frame mounting area. Include the number stamped or printed on the original part where available.