Stronghold Strongarm SH5431 Assembly & Fitting Instructions Download Page 2

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Please note:

• It is important to check wheelbolt/wheel nut compatibility prior to 

fitting

• Both wheelbolts/wheelnuts must be fittedto allow for wheel 

balancing

• Standard wheelbolts are supplied but can be changed for  

alternatives F.O.C by contacting the sales office 0121 270 4301

• This product is supplied with three keys. Separate and keep a key 

in a designated place of safety

• Record your key number here
   

You will need this in order to obtain replacements

• Keep this instruction card and your proof of purchase  

(receipt or invoice) for future reference

Fitting Instructions

Fig 1

Remove two existing wheel bolts, which are 

diagonally apposed on the wheel. Please note 

if fitting to a 5-bolt wheel, remove one bolt, 

moving around the wheel leave the next one 

in position and then remove the next bolt.

Fig 5

Insert the key into the lock, rotate the key 
clockwise and pull the lock from the lock 
holder. Some resistance will be experienced 
due to the security design.  Removal of the 
lock enables the rear arm to be opened for 
fitment. Using an approach angle as shown, 
align the top tube with the wheel bolt and 
push into position.

Fig 6

Push the clamp towards the wheel enabling 
the rear arm to close into the rear of the wheel 
rim. When fully closed allow the wheel clamp 
to drop towards the ground (depending 
on the tyre profile and the wheel position, 
the wheel clamp may not always touch the 
ground).  In this position re-fit the lock by 
inserting and turning in an anti-clockwise 
direction, allowing the latch to click into place.

Warranty

Please see warranty card for details.  Full warranty terms can be 

viewed on our website 

www.stronghold-security.com

Replacement Keys

The design of Stronghold keys means that genuine replacements 

are only available by special order through the place of purchase, 

for which you will require your key number. Please note, the use of 

unapproved copy keys will void your warranty.

Customer Service Contacts

In case of product defect or malfunction please contact the place of 

purchase for assistance. For other questions please refer to the FAQ 

section of our website or UK & Ireland customers 

email: [email protected] or call: +44 (0) 121 270 4301.  

International customers – the place of purchase or your national 
distributor.

Free Extended Warranty

Product - Stronghold Strongarm Wheel Clamp

This product carries a 12 month manufacturing defect warranty. You 

can upgrade your 12 month warranty to 5 years (mechanical only), 

free of charge, if within one month of purchase you:

•Complete and return the enclosed Warranty Card to us, or

•Register your purchase with us online at 

www.stronghold-security.com

By following the link to “Register your product”.

Retail Outlet

Date of purchase

Principal security use e.g

caravan

Make of product being secured

Why did you buy a Stronghold 

product?

Marketing Communications

Maypole Ltd would like to send you information on our products by email or 

post.  Your personal information will never be sold to a third party for marketing 

purposes. For more information or if you wish to opt out at any time please visit 

www.maypole.ltd.uk or email [email protected]

 

I opt in to receive marketing communications 

Fig 2

After checking that they have the same thread 

length, size and type as the special wheel 

bolts (M12x1.5mm pitch) provided, replace 

and tighten to the manufacturers 

recommended torque settings. If your wheel 

is fitted with nuts or bolts of a different size, 

please contact our help line for advice.

Fig 3

If the wheel is fitted with a wheel trim this 

must be modified to accept the wheel clamp 

by drilling two 52mm holes in the trim at the 

relevant special wheel bolt locations.

Fig 4

Re-fit the wheel trim. To fit the wheel clamp 

to the wheel, the wheel must be orientated 

with one of the special wheel bolts situated at 

between 1 o’clock and 3 oclock as shown.

Fig 7

Remove the key, your wheel clamp fitted 

correctly will look like this.

5431 insert.indd   2

26/04/2019   09:54:19

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