Monday, Tuesday & Wednesday: 10:30am to 6:00pm
Thursday: 10:30am to 7:00pm
Friday: 10:30am to 6:00pm
Saturday & Sunday: CLOSED
Go to wishlist Wishlist

Shopping cart

Your cart is currently empty

Product image slideshow Items

  • TREK Trek Derailleur Hanger #321, Domane/ Checkpoint SL/SLR, 142X12mm, Dropout-321

Trek Derailleur Hanger #321, Domane/ Checkpoint SL/SLR, 142X12mm, Dropout-321

SKU: W5281894 / W524188
C$22.99
Excl. tax

Get back on the road with genuine replacement parts.

In stock
Add to wish list Add to wish list
swap-horizontal Add to comparison

Original replacement hanger for your bike

  • Trek part number: W524188 / W5281894
  • Wheels part number: Dropout-321
  • Updated clearance for 12 speed drivetrains
  • Attachment hardware sold seperatly

You might also like

Product carousel items

  1. Sale
    TREK Trek ABP Classic Derailleur Hanger, 2010 -2012, 135mm Q/R
    Add to cart Add to wishlist

    Trek ABP Classic Derailleur Hanger, 2010 -2012, 135mm Q/R

    C$14.93 C$31.99
  2. TREK Trek ABP Convert, 2013-2017, 135mm Quick Release Derailleur Hanger
    Add to cart Add to wishlist

    Trek ABP Convert, 2013-2017, 135mm Quick Release Derailleur Hanger

    C$31.95
  3. Sale
    TREK Trek ABP Race Derailleur Hanger #200, 2010-2012, 135mm Q/R, Dropout-200
    Add to cart Add to wishlist

    Trek ABP Race Derailleur Hanger #200, 2010-2012, 135mm Q/R, Dropout-200

    C$14.93 C$31.99
  4. Sale
    PARK TOOL Park Tool PCS 9.3 Home Mechanic Repair Stand
    Add to cart Add to wishlist

    Park Tool PCS 9.3 Home Mechanic Repair Stand

    C$279.89 C$331.99
  5. PARK TOOL Park Tool HXS-3 Stubby Hex Wrench Set
    Add to cart Add to wishlist

    Park Tool HXS-3 Stubby Hex Wrench Set

    C$26.59
  6. MUC-OFF Muc-Off Nano Tech Bike Cleaner 1L
    Add to cart Add to wishlist

    Muc-Off Nano Tech Bike Cleaner 1L

    C$22.99
  7. MOTOREX Motorex Bike Shine 300ml
    Add to cart Add to wishlist

    Motorex Bike Shine 300ml

    C$27.99
  8. TREK Trek Air Rush Electric Pump
    Add to cart Add to wishlist

    Trek Air Rush Electric Pump

    C$134.99
  9. TREK Trek BellBeats Digital Bike Bell and Speaker
    Add to cart Add to wishlist

    Trek BellBeats Digital Bike Bell and Speaker

    C$134.99
  10. MUC-OFF Muc-Off 5 Piece brush set
    Add to cart Add to wishlist

    Muc-Off 5 Piece brush set

    C$59.99