Metal Mule panniers are available in 3 sizes:
31 liter (called the Skinny Mule), 470mm long, 385mm high, 206mm deep
38 liter (called the Classic Mule), 470mm long, 385mm high, 246mm deep
45 liter (called the Fat Mule), 470 mm long, 385mm high, 286mm deep

Many riders ask us how wide the Metal Mule system will be, mounted on their bike. We've compiled the various widths below.
F800GS Standard system, 31L left bag, 38L right bag = 1020 mm
F800GS Balanced system, 31L left bag, 31L right bag = 920 mm
F800GS Balanced system, 38L left bag, 38L right bag = 1000 mm
F800GS Balanced system, 45L left bag, 45L right bag = 1080 mm
R1200GS Standard system, 31L left bag, 38L right bag = 930 mm
R1200GS Standard system, 38L left bag, 45L right bag = 1010mm
R1200GS Balanced system, 31L left bag, 31L right bag = 853 mm
R1200GS Balanced system, 38L left bag, 38L right bag = 933 mm
R1200GS Balanced system, 45L left bag, 45L right bag = 1013 mm
(By comparison, BMW R1200GS Adventure cases 38L left, 44L right = 997 mm)
KTM 990 31L left bag, 38L right bag = 938mm
KTM 990 38L left bag, 38L right bag = 1018mm
The KTM exhaust does not need to be modified or replaced.
Note that Standard systems utilize the stock BMW exhaust, and the system is non-symetrical, meaning that the left bag is smaller than the right bag. By contrast, Balanced systems require replacement of the BMW exhaust with a Metal Mule exhaust so that both bags are the same size, therefore the system is balanced and symetrical.
For detailed information and pricing about each system CLICK HERE, then scroll down to the Metal Mule section at the bottom of the page.
All sizes use the same quick release mounting system, and the bags are interchangeable with one another when mounting on the motorcycle.
BestRest only offers panniers that are manufactured to "full spec", meaning they have all the bells and whistles offered by Metal Mule. Finish options include either clear anodized or storm grey powder coat.
Other finishes are available on special order only. Those finishes include plain un-anodized alumium, and composite (anodized lid with powder coated body).
SERIES 2 panniers carry on METAL MULE'S tradition of exceptional quality and attention to detail.
New features include absolutely no intrusions in the loading area, redesigned Q-FIT system, an amazing new Silicon seal which is cast into the lid and a rolled edged base.
Photo at left shows rubber foot, photo at right shows sealing ring and unobstructed interior.
Exceptionally tough, they are built using 2mm aluminium throughout and continue with METAL MULE'S trademark double-folded corners and inverted tray underside.

The completely new Q-FIT System is better than ever - fitting and removal from the bike in seconds! Polyurethane lined mounting brackets ensure no rattles or vibes. The exceptionally secure cam lock interacts with a clever new latch that does not intrude into the pannier - once locked in place they cannot be removed.
The new Space aged Silicon Seal is cast into the lipped and hinged lid and is totally water and dust proof. All the joints are taped and riveted - incredibly strong, completely impermeable.
METAL MULE SERIES 2 panniers are a truly exceptional product - not metal boxes - more a design icon.
FINISHES - Panniers are available in anodized aluminum, powder coated in storm grey (as shown) or our new composite finish of black powder coated panniers with silver anodised lids.
Metal Mule’s anodized coating means you no longer need to suffer black marks or corrosion and its unique finish enables our cases to protect themselves and their contents with minimal fuss.
Metal Mule’s powder coating gives you our toughest and longer lasting Finish. The aluminium sections are bead blasted and etched primed before the powder coating is applied and baked at 200 degrees Centrigrade.
With either finish, you will appreciate the benefit of being able to pack directly into the luggage without fear of aluminium residue coating your clothes.
Full spec panniers include the following factory fitted accessories:-
Rubber Feet
Tie down loops
Top handle
Side handles
Customised panniers are available by special order, please allow 3-4 weeks for delivery.
Strap brackets (useful for mounting fuel/water cans) are also available however they are not factory fitted to allow for flexibility in their positioning.
For detailed information and pricing about each system CLICK HERE, then scroll down to the Metal Mule section at the bottom of the page.