Stromberg Carlson makes a bumper-mounted receiver adapter and several bicycle carriers, but those parts have different roles. The BA-100 adds a 2-inch accessory receiver to a suitable square RV bumper. BC-202 is a two-bike platform carrier that fits a 2-inch receiver. BC-202BA is a two-bike platform carrier supplied with its own bumper attachment. The larger BC-108 is a four-bike post-mounted rack. Choose the attachment first, then check both the load limits and the rack style.

Compare the attachment options

Part number What it is Connection / bike count Manufacturer loading information
BA-100 Bumper-to-receiver adapter 4-inch square bumper → 2-inch accessory receiver Up to 200 lb vertical load, limited by the bumper rating; no towing
BC-202 Two-bike wheel-cradle platform carrier 2-inch receiver; two bicycles 80 lb combined bicycle capacity
BC-202BA Two-bike platform carrier with bumper attachment Manufacturer lists 4- to 4½-inch square bumpers; two bicycles 80 lb combined bicycle capacity
BC-108 Four-bike upright post carrier Receiver-mounted; four bicycles 120 lb combined bicycle capacity

Which assembly fits your existing RV?

Match the equipment already on the RV
You have a suitable 2-inch receiver

BC-202 slides into that receiver for two bikes. The receiver and RV must be approved for the loaded rack.

You have an approved square RV bumper

BC-202BA includes a bumper attachment for the listed bumper sizes. Confirm the bumper is rated for the dynamic load.

You need a 2-inch accessory receiver

BA-100 is an adapter, not a bicycle rack. It does not create a towing hitch and is not a substitute for frame reinforcement.

You need four-bike capacity

BC-108 is a post-style receiver rack, not the same wheel-cradle platform as BC-202.

Function-only overview; attachment positions are not a scaled drawing or a guarantee of vehicle compatibility.

Important differences in the bike carriers

BC-202 and BC-202BA: wheel-cradle platforms

These two-carrier designs use adjustable wheel positions and a central support with J-hooks. Stromberg specifies wheel cradles for tires up to 2½ inches wide; wider tires may require the manufacturer's separate BC-2FT adapter. The platform can tilt down for access, subject to rear-door and vehicle clearance. The maker's service parts are separately identified as wheel cradles, J-hooks, straps and frame tubes; those parts are not assumed to be included with a replacement accessory.

BC-108: four-bike post mount

The BC-108 carries bicycles on upper support arms and uses a different cradle-and-strap arrangement. Stromberg's current description identifies a receiver adapter sleeve and an anti-rattle pin. It is not tested or approved for electric bicycles. Check the total bicycle weight, frame fit, receiver size and required spacing before choosing it.

BA-100: a receiver, not a rack or towing hitch

The BA-100 bolts to a suitable 4-inch square bumper, supplying a 2-inch receiver opening for permitted accessories. Stromberg specifies heavy steel construction and a standard ⅝-inch hitch pin opening. Its 200 lb rating is not an automatic allowance to place 200 lb on every RV bumper. Never use the BA-100 for trailer towing.

Compare matching products

Before purchasing or travelling with a carrier

  1. Determine whether the RV has an approved receiver, a suitable square bumper, or neither.
  2. Check the RV manufacturer's bumper/receiver and rear-structure limits. Use the lowest limit of the bumper, adapter, rack and vehicle.
  3. Include the empty rack weight when evaluating the imposed load, and confirm allowable dynamic use on the RV.
  4. Measure bicycle wheelbase, tire width and frame shapes; check the carrier's support and straps for all bicycles.
  5. Verify rear-door operation, lights, licence plate visibility, turning and ground clearance before travel.

Manufacturer specifications and service-parts drawings

Compare Stromberg Carlson's BA-100 receiver details, BC-108 rack specifications and platform-carrier replacement-parts names. Original dimensions and rack configurations appear in the 2026 Stromberg catalog, printed pages 28–30.

For a bicycle carrier attached to a rear RV ladder rather than a bumper or receiver, see the Surco ladder-mounted rack guide. The mounting methods are different.

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