Pivot Firebird XT/XTR Pro 2x Complete Mountain Bike - 2017

$6,299.00

Item # PIV003J

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  • Red/Blue, S ($6,299.00)
  • Red/Blue, M ($6,299.00)
  • Red/Blue, L ($6,299.00)
  • Red/Blue, XL ($6,299.00)
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Item # PIV003J

Burly bird.

We'd typically expect bikes named after birds with something light, nimble, and with a touch that bespeaks the hollow bones of its namesake. But Pivot's 2017 Firebird XT/XTR Pro 2x Complete Mountain Bike proves that assumption wrong. Our own reviewer writes that the bike climbs "miraculously well," but its 6.7in of DW-Link suspension and agro angles do burn brightest when the trail is steep and the lines are crunchy. Its aggression whether climbing out or dropping in means the Firebird straddles the often at-odds worlds of gravity and trail riding. Does this make it—as Pivot grandly claims—"the no-compromise Holy Grail of long-travel enduro mountain bikes"? We think it certainly puts it in the running.

If we were to limit ourselves to one word to describe the Firebird, we'd axe Pivot's "Holy Grail" and replace it with "long." Or maybe "long-n-short," which technically qualifies as one modifier (Thanks phrasal adjectives!) and encompasses the Firebird's long, Phoenix-inspired reach and stubby, sub-17in chainstays. That combination keeps the front end honest on climbs and well-mannered while cornering, while the short stays still let you dice through whatever the trail throws your way. Ok, we'd also add "slack," because the 65-degree head tube also means that the Firebird is up for the kinds of full-on gravity runs that even bikes like the eminently capable Switchblade would balk at—but again, the long reach keeps rider weight forward and the steering honest, regardless of which direction you're heading.

Despite its relatively short stays, Pivot is still able to equip the Firebird with mid-range tires because of the advent of Boost spacing. Widening the rear axle buys some precious real estate around the bottom bracket, so Pivot is able to slam the rear wheel up into the seat tube without putting rubber on carbon. This tire size (2.5in up front and 2.45 in the rear) may be our favorite for all-mountain riding. When combined with the DT Swiss M1700 wheels' 30mm internal rim width, these tires sit just fat enough to allow a lower PSI for more cushion, more traction, and none of the top-flop we've experience on plump tires shoe-horned onto narrow rims.

And then there're the Boost hubs. Normally, we'd give them top billing and attribute much of the bike's on-trail feel to the improved wheel stiffness, but—with the Firebird's geometry—Boost isn't the star here. That's not to say the hubs don't play a part, though, as they do no doubt contribute to the bike's eagerness on climbs and cat-on-carpet tracking through funky corners and rock gardens. They do also allow for the tire clearance gains and chainstay losses, but we're just so enamored of the entire package that we're loathe to over-inflate the importance of any single element.

If there is one element worth calling out, you couldn't go wrong focusing on the DW-Link suspension design. It guides the bike through just under seven inches of confusingly versatile travel. On paper, it should be a gravity bike; on the trail, it acts more like a climb-happy five-inch bike that transforms into an eight-inch brute across rock gardens and old-growth root lattices. Throughout its travel, DW-Link describes an adaptive path that balances the suspension to eliminate bob and provide a consistent pedaling platform, even while climbing or stomping through terrain that most others would consider imprudent to pedal through. The Firebird encourages excess on both the ups and downs; fortunately, it's versatile enough to keep up and even erase the occasional rider error.

Pivot builds this machine with a curated mix of Shimano bits, installing XTR at the rear derailleur, where it does the most good, and letting XT handle the rest of the duties. We're not disappointed with this mix, as many of us choose to run XT M8000 brakes for their blend of functionality, durability, and cost. Finally, and given the Firebird's Phoenix DNA, it's only fitting that Pivot hangs the frame with Phoenix finishing kit.

  • An enduro sled that hits like DH but pedals like a trail bike
  • 6.7in of DW-Link suspension climb and descend with aplomb
  • A long reach keeps the slack, low geometry honest in corners
  • Carbon frame maintains stiffness without the weight
  • Boost front and rear hubs increase wheel system stiffness
  • FOX 36 Factory fork and a dropper post round out the suspension
  • Curated Shimano and Race Face drivetrain hits the right numbers for racing

Tech Specs

Frame Material:
carbon fiber
Suspension:
DW-Link
Rear Shock:
FOX Float X2 Performance
Rear Travel:
170 mm
Fork:
FOX 36 Factory Kashima
Front Travel:
170 mm
Headset:
Pivot Precision Sealed Bearing
Shifters:
Shimano XT M8000
Front Derailleur:
Shimano XT M8000
Rear Derailleur:
Shimano XTR M9000 GS
Crankset:
Race Face Aeffect
Bottom Bracket:
PressFit 92
Cassette:
Shimano XT M8000
Brakeset:
Shimano XT M8000
Brake Type:
hydraulic disc
Rotors:
180 / 180 mm
Handlebar:
Phoenix carbon riser
Grips:
Phoenix lock-on
Stem:
Phoenix trail enduro
Saddle:
Pivot WTB Vigo Race
Seatpost:
[size small] LEV Integra dropper, [sizes medium - x-large] FOX Transfer dropper
Wheelset:
DT Swiss Spline-Two M1700
Front Axle:
15 x 110mm Boost
Rear Axle:
12 x 148mm Boost
Tires:
[front] Maxxis Minion DHF WT, [rear] Maxxis Minnion DHRII WT
Tire Size:
[front] 27.5 x 2.5 in, [rear] 27.5 x 2.45 in
Pedals:
not included
Recommended Use:
all-mountain, enduro
Manufacturer Warranty:
3 years on frame
Actual Weight:
Red/Blue, M: 14220g

sizing chart

Firebird size by rider height

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Geometry chart

Pivot

Geometry Chart

 

Firebird
 

Seat Tube

(c-t)

Effective Top Tube

(eTT)

Stack

(S)

Reach

(R)

Stand Over

Head Tube

(HT)

Head Tube Angle

(HTo)

Seat Tube Angle

(STo)

Bottom Bracket Height

(BBH)

Chainstay

(CS)

Wheelbase
S 15.5in 23.37in 23.07in 16.54in 27.87in 3.94in 65o 74o 13.75in 16.93in 46.26in
M 16.75in 24.24in 23.43in 17.52in 28.23in 4.33in 65o 74o 13.75in 16.93in 47.41in
L 18in 25.12in 23.78in 18.31in 28.23in 4.72in 65o 74o 13.75in 16.93in 48.37in
XL 19.5in 26.02in 24.13in 19.09in 28.46in 5.12in 65o 74o 13.75in 16.93in 49.32in

Reviews & Community

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Just like Smokey and the Bandit

    Burt Reynolds got it. You need a Firebird to get you through the tough times. 170mm of travel, the efficient Pivot DW-Link, a screaming bird. These are the ingredients one needs to ****CAWWWWWWWWWWW*********** excuse me.. I just heard the Firebird scream by. As I was saying, those are the ingredients needed to make a 170mm bike that can be zippy on the climbs and an absolute beast pointed down.

    Playing around in Moab, I may have been able to take a nap and let the bike go on auto-pilot when the terrain goes down You're buying this bike if you're shuttling or taking the lift. But, you can certainly pedal this with ease. Please reach out if you have any questions, or want to chat bikes.

    Just like Smokey and the Bandit