NS Outline AL 170 stretches out longer, mullet enduro+ choice for the all-mountain bike

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We got a sneak peek at NS Bikes’ reworking of their popular all-mountain trail-to-enduro bike last summer, but the new Define AL 170 takes it to the next level with an even longer-travel version for when not even enduro is enough. Now pairing a 27.5″ rear wheel & 170mm frame travel to a long 180mm 29er fork with a bigger front wheel, the updated mullet Define AL 170 is ready to shred even the steepest, most technical trails and bike parks.

NS Bikes Define AL 170 long-travel mullet enduro+ mountain bike

Now even more than ever, the Define AL fits the name all-mountain, or maybe every-mountain with frame travel options from 130mm-170mm in the affordable aluminum frame family. The new NS Define AL 170 at the long end is the big-hit, shred sled. NS Bikes calls it a “send-proof aluminum frame” for riders looking for a bike for the toughest, steepest descents, but while still being able to pedal too.

NS Bikes Define AL 170 long-travel mullet enduro plus all-mountain bike, ride photo by Bartek Wolinski, backflip
c. NS Bikes, all ride photos by Bartek Wolinski

Already tested by NS Bikes’ big-name shredders, new team member Joe Breeden & the Godziek Brothers have been the added versatility over the brand’s more gravity-focused bikes. Breeden says he’s, “fallen in love with it. Riding it through the fast & rough is so confidence-inspiring – it feels extremely stable, planted, and well balanced. I find myself being able to change direction really quickly and it puts a huge smile on my face while doing so. I feel like if I were only allowed one bike, it would be this one, it just does it all unbelievably well.

Tech details

NS Bikes Define AL 170 long-travel mullet enduro plus all-mountain bike, photo by Piotr Jurczak, complete
c. NS Bikes, all bike photos by Piotr Jurczak

At its core, the NS Define AL 170 shares the same overall hydroformed 6061/6066 -T6 aluminum frame as its shorter travel siblings, all developed based on the original carbon bike with the same Horst-link four-bar suspension design. But of course, the longer AL 170 does get beefed up to handle more abuse, and more air time.

NS Bikes Define AL 170 long-travel mullet enduro plus all-mountain bike, geometry

The Define AL 170 suitably gets more relaxed geometry than the rest of the Define range, to go with its new 170/180mm travel mullet setup. A slack 64° headtube makes going down fun, but the effective 76° seat angle & plenty of anti-squat will help you pedal back up.

NS Bikes Define AL 170 long-travel mullet enduro plus all-mountain bike, ride photo by Bartek Wolinski,downhill

Or as NS says, back up at least until you can find another chairlift – this bike really wants to go downhill!

NS Bikes Define AL 170 long-travel mullet enduro plus all-mountain bike, photo by Piotr Jurczak, suspension detail

Balanced modern aggressive trail fit and still short 438m chainstay keep the bike maneuverable in any terrain – with three frame sizes available (S-L). And you still get geo customization care of the bike’s lower shock mount flip-chip – adjust bottom bracket height +/-5mm, headtube angle +/- 5°, and Reach =/-4mm.

NS Bikes Define AL 170 long-travel mullet enduro plus all-mountain bike, photo by Piotr Jurczak, frame detail

It still gets plenty of nice details like the rest of the range, like the easy-access semi-integrated cable routing, replaceable chainstay & downtube protection, and the one-piece forged rocker arm.

NS Bikes Define AL 170 long-travel mullet enduro plus all-mountain bike, photo by Piotr Jurczak, rear end detail

All that on top of trusted standards like the BSA threaded bottom bracket, ISCG tabs, Boost 148 spacing, integrated 1.5″ tapered headset, stealth dropper routing for a  31.6mm post, sealed MAX bearing pivots, and room for up to a 3″ wide tire.

Long-travel Enduro+ bike – Pricing & options

NS Bikes Define AL 170 long-travel mullet enduro plus all-mountain bike, ride photo by Bartek Wolinski, AL 170 1

NS Bikes Define AL 170 long-travel mullet enduro plus all-mountain bike, AL 170 1
NS Bikes Define AL 170 1

Two build kits are available of the long-travel mullet NS Bikes Define AL 170 enduro+ bike. The 4500€ top-spec Define AL 170 1 with the bronze front end gets Fox Performance suspension – a 180mm 38 fork & 170mm rear via the X2 air shock. A SRAM GX Eagle drivetrain rounds it out with alloy Truvativ Descendant cranks and Guide RE 200mm brakes – with a claimed 15.5kg (34.2lb) complete bike weight once set up tubeless.

NS Bikes Define AL 170 long-travel mullet enduro plus all-mountain bike, ride photo by Bartek Wolinski, AL 170 2

NS Bikes Define AL 170 long-travel mullet enduro plus all-mountain bike, AL 170 2
NS Bikes Define AL 170 2

The more affordable 3400€ Define AL 170 2 gets a grey paint job on the same alloy frame, paired with a RockShox Zeb fork, X-Fusion Vector R coil shock, Shimano Deore 12-speed drivetrain & MT420 200mm disc brakes – for a weight of 15.8kg (34.8lb) complete.

A new, more affordable NS Define AL 160, too!

On top of the new longer travel bike, NS also has a more affordable build of what had been the longer-travel version of the original alloy trail-to-enduro bike. Now with 27.5 wheels and 160mm front & rear, the 3300€ is nine-hundred euros cheaper than the more premium original mullet bike.

NS Bikes Define AL 160 affordable enduro all-mountain bike, photo by Piotr Jurczak
NS Bikes Define AL 160

Tweaked geometry to suit the balanced suspension & wheel sizes, it’s really the Shimano Deore 12-speed drivetrain, RockShox 35 Gold RL fork & X-Fusion H3C coil rear shock that drop the price of this enduro-ready build vs. the previous GX Eagle & Fox Factory setup.

NS Bikes Define AL 170 long-travel mullet enduro plus all-mountain bike, ride photo by Bartek Wolinski, berm

Both bikes should be available now through your local NS dealer.

NSbikes.com

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