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THULE 634B Sonic M Cargo Box, Black

Item: 17797976 Product Description >

Regular Price: $549.95 SALE $439.96

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  • THULE 634B Sonic M Cargo Box, Black

    The Sonic Box combines efficiency with style. It's designed for those looking for an aerodynamic box with a wide variety of size and convenience options.

    This product will be shipped directly from Thule and will leave their warehouse in 2-3 business days. Eligible for UPS ground shipping only.


    • Patented AeroNose Design reduces drag and noise making it the most aerodynamic box available
    • Patented Rear-Angled Base and expanded vehicle mounting points help maximize trunk and hatch clearance
    • AcuTight Mounting “clicks” when you reach optimal hold to ensure your box is secured to the rack
    • SecureLock ensures that all gear is locked and box is properly closed prior to driving
    • Dual-Side opening for easier loading and unloading from either side of the vehicle
    • Fits Thule rack systems, round bars and most factory racks
    • 2 One-Key Locks (included) secure box contents and lock the box to the carrier

  • THULE 634B Sonic M Cargo Box, Black

    Weight Limit 70 lb.
    Fits Factory Racks Yes
    Fits Thule Aero Bars Yes
    Max Ski Length 158 cm
    Cargo Capacity 13 cu. ft.
    Opening Dual Side
    SkiCapacity 4-6 pairs; 2-4 boards
    Height 16 in.
    Length 72 in.
    Weight 40 lb.
    Width 34 in.
    Shipping Surcharge Yes


by PowerReviews
THULE 634B Sonic L Cargo Box, Black

(based on 1 review)

Reviewed by 1 customer

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Great buy

By JennyB

from New Hampshire

Verified Reviewer


  • Easy To Install
  • Easy to open and close
  • Looks great
  • Lots of room
  • Quite


    Best Uses

    • Extra Space
    • Luggage

    Comments about THULE 634B Sonic L Cargo Box, Black:

    We spent a long time researching roof racks and cargo boxes and this was a great choice. Easy to install, no noise (even at 70+ miles an hour) and adds lots of room to our car. Can't wait to use it on our cross country trip.

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