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WARNING: Bikes or rack falling in road can cause serious accidents resulting in bodily injury—do not use rack on any

vehicle on which it can not be properly mounted as described in this instruction sheet.

Rack should only be used on vehicles with 1 1/4” or 2” receiver hitches.

NEVER use on trailers or front of vehicles.

Bikes must be tied to rack using tie-downs, or additional straps if necessary.

Check periodically during use that all bolts and pins are tight, and that rack and bicycles are secure.

Never carry more than 2 bikes 

(max capacity 70 LB) - no tandems, mopeds, or recumbents. Car tail lights must

 

remain visible.

Drive conservatively, especially over bumps. Never use off-road.

•  

Do not use if any part of the rack is damaged, worn, or missing. 

CAUTION: Use Allen 522RR only in accordance with local motor

vehicle and traffic regulations.

• Install rack and load bicycles only at a safe distance away

from moving traffic.

• Make sure that all of rack and bicycles are kept at a safe distance

from road and hot exhaust.

• Only operate vehicle with rack in an upright, locked position.

• Bicycles should never extend beyond sides of vehicle.

• Remove rack from car, or fold carry arms down when not in use.

INSERT LOWER PORTION OF RR POST INTO

HITCH INSERT SO THAT THE HOLES AT THE

BOTTOM OF EACH PART LINE UP.

INSERT THE 3/8” X 3” BOLT THROUGH THE HOLE, 

AND THREAD 1—3/8” LOCK NUT ONTO THE END

OF THE BOLT.

PIVOT THE RR POST INTO THE UPRIGHT

POSITION, SO THAT THE UPPER HOLES LINE UP.

INSERT THE QR CLIP THROUGH THESE HOLES,

AND SECURE THE WIRE RETAINER CLIP.

TIGHTEN NUT AND BOLT FIRMLY USING TWO

WRENCHES.

• INSERT CARRY ARM ASSEMBLY

INTO UPPER PORTION OF RR POST,

LINING UP THE HOLES IN EACH

PART.

• INSERT THE 3/8” X 2 1/2”BOLTS

THROUGH EACH HOLE, AND

THREAD 1—3/8” LOCK NUT ONTO

THE END OF THE BOLTS.

•TIGHTEN NUT AND BOLT FIRMLY

USING TWO WRENCHES.

NOTE: UPON COMPLETION,

BOTH PARTS SHOULD BE

FIRMLY JOINED TOGETHER.

IMPORTANT:

WHEN RACK IS IN AN 

UPRIGHT POSITION,WIRE 

RETAINER ON QR CLIP 

SHOULD ALWAYS BE IN A 

CLOSED POSITION TO KEEP 

RACK FROM FALLING OVER 

DURING USE.

CARRY ARM ASSEMBLY

TOOLS REQUIRED: 2—9/16” WRENCH & 2—3/4” WRENCH;

OR 2—ADJUSTABLE WRENCHES

PARTES:

HITCH INSERT W/

FILLER PLATES

FILLER

PLATES

522RR BOX SHOULD CONTAIN THE

FOLLOWING ITEMS:

1-

CARRY ARM

ASSEMBLY

1-

1—HARDWARE KIT,
 CONTAINING:

2—3/8” X 2 1/2” BOLT

1—3/8” X 3” BOLT

4—3/8” LOCK NUT

1—1/2” LOCK NUT

1—1/2” NO-WOBBLE BOLT

1—3/8” NO-WOBBLE BOLT

RR POST

1-

A.

ASSEMBLING RACK:

B.

STEP 1

STEP 2

3/8” X 2 1/2”

BOLT

RR POST

QR CLIP

3/8” X 3”

BOLT

HITCH 

INSERT

3/8” LOCK

NUT

MODEL 522RR

INSTRUCTIONS

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