Knolly Delirium – Review

Knolly have a solid pedigree of rowdy bikes that love to be shredded. Take a look at any James Doerfling video and you’ll get a sample of the kind of action their bikes are made for. The Delirium is billed as being up for anything gravity focused from laps hanging off the back of the shuttle to hitting a sturdy jump line at the bottom of the bike park.

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Frame Weight: 3855g or 8.5lb (w/ Fox X2)
Rear Travel: 170mm or 6.7″
Wheel Size & Max Width: 27.5″ x 2.5″
Dropout/Hub Spec: 142 x 12mm axle (included)
Headset: 44mm upper & 56mm lower
Seatpost Diameter: 31.6mm
Post Collar: Size 35.0mm
Seatpost insertion depth: 280+mm
Low stress pivot locations rotate on long lasting IGUS bushings
Industry leading geometry – Long reach, Low bb height and standover
6066 series alloy frameset is extensively hydroformed to maximize strength to weight ratio
Front Derailleur: N/A
Chainguide Tabs: ISCG05 (removable)
BB Shell Spec: 73mm / threaded for creak-free riding and simple installation
Rear Brake Tabs: Post mount 160
Two geometry settings allow you to fine-tune your ride experience
Bottle mounts in a location that are actually use-able
Full length seatube allows for 175mm dropper posts
Internal and external cable routing
Dual crown fork approved

The aluminium frame uses Knolly’s distinctive Fourby-4 linkage plumbed with a Fox X2 shock to deliver 170mm of rear travel. Titanium hardware, a normal threaded bb, 142×12 rear spacing and the option to run both a front mech or an ISCG05 chain device keep the options open to build an out and out park bike, or something that you could still slave up a few hills on. The angles are ready to go down, a 65 degree head angle paired with a relatively steep 75 degree seat angle keep your weight over the middle of the bike. The lengths add up well, but the sizing is a bit small. At 5’11 I am right on the upper end of the medium, and found it very very short. I’d love to try an L or XL and try something a bit more reachy.

knolly bikes The Fox X2 shock, paired with the linkage at the back end delivers a really supple and progressive back end that ramps up nicely – really handy if you hammer into berms it holds you up well, but is supple enough to cope with the braking bumps that park builders insist on adding! The slack angles and shortness of the bike make it super playful. My first couple of rides on my local trails it certainly felt a bit too twitchy, and it was only once I got it onto some flowy, jumpy lines that is came into it’s own, really letting me throw it about and have a whole heap of fun.

Decade Europe are bringing Knolly into the UK and sent over the bike dripping in bling including a Rock Shox Lyric fork, SRAM drivetrain and the ever-pimp Mavic wheels. While they are only offering frame-sets at the moment, with the normal options (ISCG05, Threaded BB, classic spacing on the rear wheel and so on) you can build this bike up however suits you. Some folk have stuck a triple crown fork out the front while others have elected to run a dropper and have a burly trail bike. The frame with an X2 shock comes in at £2199.99.

The Delirium was a lot of fun to ride, once I got my head around the sizing. If you spend a lot of time uplifting and are more bothered by style and shredding than waiting for the beeps this is a great bike for you, and with the unending rise in bike-parks in the UK, there’s sure to be a demand. #IOnlyRidePark

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