MK5 (due August 2021)

Coming soon, the Stooge MK5. Scroll down for all the details. ETA August 2021. Not joking.

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Here’s some info on the upcoming MK5 frameset, ETA August 2021.

‘So what’s the score, how does this puppy differ from the MK4?’ i hear you ask. The short answer is, in not many ways, though there’s a little more to it than that, so here are the deets, complete with a few thoughts behind them.

First off – 2 sizes this time around: 18″ with 610 ETT, and 19.5 with 625 ETT. Boost axles front and rear, rack mounts on the rear triangle, and this time around i’m using the Scrambler version of the Klunkpacker fork with all its mounts and 57mm offset. So in many ways the MK5 is a cross between the Scrambler and the MK4, its the classic Stooge that finally embraces rather than shuns its bikepacking and touring potential whilst still wanting to skid the hell out of life and rip its way around the berms of Speedball Raceway (yeah, really). You might be wondering why the reduced offset, and the answer lies in the fact that the 80mm offset was designed around the largest of the large 29+ tyres, think Duro Crux. I’ve since become rather taken with B+ all over again, and the 57mm works a lot better with this size, and likewise 29 x 2.6 – 2.8 which is about all we’ll be able to buy in the coming months thanks to the bike industry being more fickle than Taz’s cat. But the official wheel/tyre sizes for this are 29×3 front/29×2.5-2.6 rear (its that old BMX thing rearing its head again), or 27.5 x 3.00 front n rear. In reality it’ll descend and rip just as well as the MK4 but the front will feel a little poppier.

In short, the mission remains the same, to keep producing framesets that transcend the humble status of the rigid bike, and turn us mere mortals into the golden gods of the hills, or something like that.

2 colours this time around – Scrambler Ochre (pantone 131C) and Pantone 147C which may well be a French Mustardy colour or could just be brown, but will undoubtedly be ace when paired with dirt and silver.

Framesets include – frame, forks, EBB insert, bolt on dropouts, allen key thru axles, all mounting bolts, seatclamp.

Availabilty: Covid has played havoc with manufacturing timescales. These were initially due this month but this has been delayed until August, but i see no reason why they won’t be here for then.

Sizing: the 18″ will be good for anyone 5’7 up to about 6’1. The 19.5″ will work for for anyone 5’11 up to 6’3 or so. My guess is you know what size bike you like better than me, but i’m just shy of 6′ and will be riding the 18 with a 50mm stem and 150 dropper.

Here’s a quick geometry rundown with the larger size in brackets:

ETT 610mm (625), head tube 150mm (157mm), HA 66 degrees, SA 72 degrees (this is the actual angle above the bend, the virtual angle is steeper), chainstays 445mm, BB drop 60mm (+/- 7mm), fork A/C 455mm, fork offset 57mm. 73mm English threaded EBB insert. 30.9 seatpost with stealth dropper routing.

Here are some numbers that might be useful if you’re looking to collect some parts before the frames arrive:

Seatpost size – 30.9mm
axle sizes – R 12×148, F 15 x 110
Headset – 1 1/8th” AKA EC34
Brake mounts are IS, so choose the IS to Post adapter that goes with whatever size rotors you’re planning on running. Talking of which, max rotor for the fromt is 203mm, max for the rear is 180/185mm.
Chainsets – if you’re running gears then a Boost spaced chainset is the way forward. For single speed or keeping it hardy with 8/9 speed then any non boost size will also work fine.
Max chainring size – 36t
Running square taper crank? – 73×121 with gears, 73 x 118 will also work fine.

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