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Best e-bike trailer hitch attachments

Researched by Deal.ai's shopping agent across stores on November 2, 2026. Prices below are today's.

Start with the Bicycle Trailer Hitch Coupler for Towing Bikes and E-Bikes — a general-purpose coupler that clamps to the rear axle and takes standard trailer arms, so it works on most e-bikes without hunting for a brand-specific part.

Who the others suit:

  • EUNORAU M12 / M12-to-M10 adapters — hub-motor e-bikes with a threaded rear axle; the M12-to-M10 version steps down for smaller trailer arms.
  • Robert Axle Project Kid Trailer Adapter — thru-axle e-bikes (12x142/12x148) from Rad Power, Mahle and Bikemotion.
  • Lectric XP Trike tow bar kits — XP Trike owners towing pet trailers.
  • Ibiyaya coupler — Ibiyaya tow bars specifically.
  • QuietKat replacement hitch — a straight swap for a lost or bent QuietKat hitch.
  • Budget universal couplers (SWETRACE 2-pack, DRAFIDEEP, OULII, VelaVibe) — spares for several bikes or a quick cheap fix; check your axle diameter first.

Match the coupler to your axle type and thread size before buying — that's the one thing that decides fit.

The picks

  1. B
    Bicycle Trailer Hitch Coupler for Towing Bikes and E-Bikes
#1

Bicycle Trailer Hitch Coupler for Towing Bikes and E-Bikes

  • Item weight: 550 Grams
  • Size: 25.00X3.50X3.50CM
  • Colour: Black/White
$37.99at CrafTeckerObserved at 12:43 AMPrices and history →
  • EUNORAU
    EUNORAU M12 Trailer Hitch Adapter for Hub Motor Ebike
    #2

    EUNORAU M12 Trailer Hitch Adapter for Hub Motor Ebike

    • Axle Length: 185mm/233mm
    • Dropouts: 142mm-148mm/175mm-190mm
    • Thread Pitch: M12*P1.5
    $23.00at BKREObserved at 12:44 AMCompare 3 stores →
  • EUNORAU
    EUNORAU M12 to M10 Trailer Hitch Adapter for Hub Motor Ebike
    #3

    EUNORAU M12 to M10 Trailer Hitch Adapter for Hub Motor Ebike

    • Attachment Point: Rear hub motor axle nut
    • Mounting Mechanism: Hitch, Hitch Adapter
    • Frame Material: Steel
    $21.00at BKREObserved at 12:44 AMCompare 2 stores →
  • Robert Axle Project
    Robert Axle Project Kid Trailer Adapter - Fits Bikemotion/Rad Power/Mahle Ebike Motors
    #4

    Robert Axle Project Kid Trailer Adapter - Fits Bikemotion/Rad Power/Mahle Ebike Motors

    • Hub Standard: 12x142 and 12x148
    • Axle Type: Gnot Boost
    $49.99at Cripple Creek BackcountryObserved at 12:43 AMPrices and history →
  • Lectric
    XP Trike Pet Trailer Hitch & Tow Bar Kit
    #5

    XP Trike Pet Trailer Hitch & Tow Bar Kit

    • Tow bar material: Steel
    • Tow bar length: 67cm
    • Tow bar width: 25cm
    $74.00at Lectric eBikes®Observed at 12:43 AMPrices and history →
  • X
    XP Trike Tow Bar & Rear Hitch Kit for Large Pet Trailers
    #6

    XP Trike Tow Bar & Rear Hitch Kit for Large Pet Trailers

    • Tow bar material: Steel
    • Tow bar length: 67cm
    • Tow bar width: 25cm
    $74.00at Lectric eBikes®Observed at 12:43 AMPrices and history →
  • Ibiyaya
    Hitch Adapter – Bicycle Coupler for Ibiyaya Bike Tow Bar
    #7

    Hitch Adapter – Bicycle Coupler for Ibiyaya Bike Tow Bar

    • Inner hole diameter: 0.44 in (1.1 cm)
    • Outer groove diameter: 0.79 in (2.0 cm)
    • Material: Heavy-duty steel with powder-coated finish
    $40.00at World 4 PetsObserved at 12:43 AMCompare 2 stores →
  • T
    Two-wheel Trailer Hitch Replacement
    #8

    Two-wheel Trailer Hitch Replacement

    • Axle compatibility: solid axles up to 10 mm
    • Quick-release compatibility: 9 mm Quick-Release rear wheels
    • Hitch type: Solid axle hitch
    $10.00at QUIETKAT USAObserved at 12:44 AMPrices and history →
  • SWETRACE
    SWETRACE Bike Trailer Hitch Black Connector for Universal Bicycles and E-Bikes 2Pcs
    #9

    SWETRACE Bike Trailer Hitch Black Connector for Universal Bicycles and E-Bikes 2Pcs

    • color: Black
    • size: 7.5 x 7.5 x 3cm
    Prices and history →
  • DRAFIDEEP
    DRAFIDEEP Heavy Duty Bike Trailer Hitch Adapter Easy Quick Connect Coupler for E-Bike Trailer Use
    #10

    DRAFIDEEP Heavy Duty Bike Trailer Hitch Adapter Easy Quick Connect Coupler for E-Bike Trailer Use

    • color: Other
    • size: 2.2" x 1.7" x 1.0"
    • Product length: 27cm
    Prices and history →
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