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Derailleur hanger, gear mech hanger, dropout replacement for Trek (# W524188) bike models:
- Trek Boone - 2018-2019
- Trek Boone 2022
- Trek Domane ALR Disc - 2018-2019
- Trek Domane SL Disc Thru Axle - 2017-2019
- Trek Domane SLR Disc - 2017-2019
- Trek Domane+ LT 2020-2021
- Trek Domane+ SLR 2023
- Trek Domane+ HP 2020-2021
- Trek Domane SL / SLR 2020-2022
- Trek Domane SL / SLR Gen.4 2023
- Trek Emonda ALR Disc - 2019
- Trek Emonda SL Disc - 2018-2019
- Trek Emonda SLR Disc - 2018-2019
- Trek Emonda SL / SLR 2021
- Trek Emonda ALR 2023
- Trek Madone SL Disc - 2019
- Trek Madone SLR Disc - 2019-2021
- Trek Madone SLR 2019-2020 (for thru-axle frame mount, for QR - Pilo D437)
- Trek Madone SL 2020-2021 (for thru-axle frame mount, for QR - Pilo D437)
D781 specially redesigned for compatibility of up to 36T cassettes, when OEM part can only be used with 28T cassette.
Rear derailleur hanger manufactured by PILO. ISO 9001 2015 certified.
- CNC machined 6061 T6511 ASTM B221 aluminium.
- Bolts not included.
- Pilo catalog number: D781
- AKA mech hanger, gear hanger: Trek W524188
For any questions please contact us or send an email to:
To be sure if this the right part, please send us photos of:
1. Your derailleur hanger from both sides;
2. And if possible bike‘s frame part photos, where dropout was attached.
Also browse pages: Home, FAQ's, Derailleur hangers, Derailleur hangers by bike brand, Small parts, Adapters/Extenders, About us
- Bicycle brand
- trek
- Number of fasteners
- 2
- Mounting on frame
- Inner
- Shape of Step
- No step
- Axle diameter
- 12 mm
- Material
- CNC aluminum
- Derailleur mount type
- Standard mount
7290107118736
So find spare part for your bicycle at Elanus Parts, official distributor of PILO Precision Machining Ltd.
Full range of rear derailleur hanger types for MTB, Mountain, CX, Road and other bikes you can find here.
Find more information about derailleur hangers at frequently asked questions page or if still have questions and need assistance feel free to contact us.
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