Mutt GT-SR 125cc
The Mutt GT-SR is here, and it’s coming in damn hot.
Mutt GT-SR 125cc
DOWN ‘N DIRTY ROADSTER
To cook this one up, we took all the pretty candy from our other Mutts, added some technical upgrades, and applied a dash of new styling. This all comes together to make the GT-SR one of the highest spec bikes in our range.
The latest street bike addition; it’s the perfect all-rounder with a low centre of gravity, a big capacity tank, and wide road tyres. All with that down-and-dirty Mutt DNA running right through its veins.
CHUNKY
Rolling on 18″ black aluminium rims with stainless spokes, we opted for a wide 130 rear tyre and a 120 front tyre. With rear gas shocks, this gives the bike supreme handling characteristics and real chuck-ability wherever you ride.
Fat is where it’s at with a Mutt, and that chunky 15-litre tank combined with our wide aluminium mudguards makes the GT-SR one of the beefiest bikes around.
While we like everything black, we enjoy a little bit of chrome here and there – just enough for a nod back to our Brit bike roots. Riders will see that classic Monza-style fuel cap plated in chrome when looking down on the tank.



GOOD LOOKIN’
Getting back to that candy. We’ve got the whole shop on this bike.
Upfront, we have our beautifully made stainless steel mudguard brackets; you won’t see anything like that on any other production bike. There are no big lumps of plastic holding our mudguards in place.
Then there is the brand new LED headlight. This thing is bright! This headlight and our new Flexi-LED mini indicators will totally light up the road. They also give this bike an all-new head-on look. We even have another upgrade in the shape of adjustable CNC levers on the bars in a beautiful anodised semi-gloss finish.
NEW METAL
We’ve also added a drilled gear shifter, rider, and pillion pegs, on top of new indicator brackets, shock nuts, and engine jewellery‚ all resplendent in that deep, hard-wearing, anodised finish. No outlay for extras – it all comes as standard.
We’re super stoked with this new addition, and we know you will be too when you get your eyes on it.
Colour | Matt Black / Silver |
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Specifications
At A Glance |
DISPLACEMENT | 125cc |
TRANSMISSION | 5 Speed Manual | |
MAX POWER | 11ph / 8.2kw | |
MAX TORQUE | 10nm | |
TOP SPEED | 60mph / 97kph | |
SEAT HEIGHT | 790mm | |
Weights & Dimensions |
LENGTH X WIDTH X HEIGHT | 2020mm × 810mm × 1090mm |
DRY WEIGHT | 117kg | |
RUNNING WEIGHT | 127kg | |
MAX LOAD | 277kg | |
TANK SIZE | 15L | |
FUEL CAPACITY | 14L | |
Power |
ENGINE TYPE | 4-Stroke Single Cylinder |
COOLING | Air Cooled | |
START | Electric | |
FUEL DELIVERY | Delphi Fuel Injection | |
EMISSIONS (CO2) | 57g/km | |
DRIVE | O-Ring Chain | |
APPROVAL | EU5 | |
ULEZ, LEZ & CAZ COMPLIANT | ✓ | |
Wheels |
WHEELS & RIMS | Black 18 inch wheels with Polished Stainless Steel Spokes |
TYRE STYLE | Classic Road | |
TYRE SIZE | 120/90-18 Front & 130/80-18 Rear | |
BRAKE SYSTEM | Combined Braking System (CBS) | |
The Look |
FRAME | Twin Shock |
TANK | 120/90-18 Front & 130/80-18 Rear | |
SIDE PANELS | Matt Black, Sculpted | |
BARS | Brushed Aluminium Tracker Bars with Mutt Branding | |
GRIPS | Mutt Custom Aluminium & Black Diamond Pattern Rubber Grips with Mutt Branded Bar Ends | |
SEAT | Mutt Custom Low-Profile, Contoured Vinyl Seat in Black | |
EXHAUST | Matt Black Stainless Steel Exhaust with Matt Black Heat Shield | |
SUMP GUARD | Matt Black | |
HEADLIGHT | Black LED Headlam | |
INDICATORS | Mini flexi LED Indicators | |
MUDGUARDS | Matt Black Front & Rear Mudguards with Brushed Steel Fender Brackets |
GET YOUR MUTT
Buy your built-to-order bike today