Pivot Mach 4 Carbon XT/XTR Pro DT Complete Mountain Bike - 2017

Sale $4,484.35 $6,899.00 35% off

Item # PIV004B

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  • Blue, XL ($4,484.35)
  • Green, M ($4,484.35)
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Item # PIV004B

Swiftness.

Blurring the line between lightning-fast XC rocket and nimble trail bike, the Pivot Mach 4 Carbon XT/XTR Pro DT Complete Mountain Bike is unlike anything else we've feasted our eyes on in the lightweight XC category. Tipping the scales at a svelte 5.1 pounds (size medium), the Mach 4 Carbon is the lightest full-suspension frame ever produced by Pivot. This equates to blistering acceleration the minute you step on the gas, as well as an extremely flickable feel around tight corners, which is further aided by its incredibly short 16.85-inch chainstays.

Reading about its lightweight figures, you'd be inclined to think of the Mach 4 Carbon as a purebred XC machine bred exclusively for competitive racing. And though it's sure to help you climb the rankings of your local race series, the Mach 4 Carbon is surprisingly confident and composed across technical sections of trail usually reserved for longer-travel bikes. Looking at its geometry, you'll note the 67.8-degree head tube angle (with provided 130mm fork) is a touch slacker than many XC bikes, yet decidedly steeper than its burlier trail brethren. Ultimately, this moderate geometry retains the goat-like climbing prowess you've come to love from XC bikes, but without being too steep for ripping steep descents.

Responsible for its balance between XC efficiency and trail composure, the engineers at Pivot designed the Mach 4 Carbon with 115 millimeters of DW-Link travel, which is renowned for its anti-squat characteristics while pedaling and plush, bump-absorbing feel on rock-littered descents. This particular build comes with a FOX 34 Factory fork up front that packs 130 millimeters of travel for bump-gobbling compliance across the rough stuff. On the rear, you'll find the FOX Float DPS Kashima shock comes with two sag indicators for fine-tuning its use to either XC or trail settings. This is a great feature to have if you're constantly switching between a race and trail riding set-up.

Seeing it's made to be lightweight, Pivot ditched the front derailleur on this XT/XTR 1x build, giving you an excellent 1x11 drivetrain with a wide range of usable gears. If you're coming from a 2x set-up, you'll be pleased to note its massive 46 tooth cog for spinning up the steepest climbs without fatigue. Another excellent feature, the upgraded DT Swiss XMC 1200 Wheelset drops weight with its carbon construction while increasing stiffness for precise tracking and instantaneous acceleration. These wheels are laced to DT Swiss hubs with a responsive 36-tooth star ratchet for getting up and over trail impediments with ease.

  • Lightweight XC bike is far more capable than numbers suggest
  • High-modulus carbon frame is the lightest offered by Pivot
  • 4.5 inches of DW-Link suspension for anti-squat efficiency
  • Shorter wheelbase for nimble handling around tight corners
  • Moderate geometry strikes a balance between XC and trail
  • Internal cable routing for clean aesthetic and Di2 integration
  • DT Swiss XMC 1200 Spline carbon wheelset is light and stiff
  • Shimano XT/XTR 1x11 drivetrain with 46t bail-out cog for climbs

Tech Specs

Frame Material:
carbon fiber
Suspension:
DW-Link
Rear Shock:
FOX Float DPS Kashima
Rear Travel:
115mm
Fork:
FOX 34 Factory
Front Travel:
130mm
Headset:
Pivot Precision Sealed Bearing
Shifters:
XT 11-speed
Front Derailleur:
n/a
Rear Derailleur:
XTR 11-Speed GS
Crankset:
Race Face Aeffect SL (30t)
Bottom Bracket:
PF92
Cassette:
XT M8000 11-speed (11-46t)
Brakeset:
XT 8000
Brake Type:
hydraulic disc
Handlebar:
Pivot Phoenix Carbon Riser
Handlebar Sweep:
740mm
Grips:
Pivot Phoenix lock-on
Stem:
Pivot Phoenix Team
Stem Length:
60mm
Saddle:
Pivot WTB Volt Race
Seatpost:
Pivot Phoenix Race Carbon
Seatpost Diameter:
30.9mm
Wheelset:
DT Swiss XMC 1200 Spline (carbon fiber, 24mm width)
Hubs:
custom DT Swiss (36t star ratchet)
Front Axle:
15 x 110mm BOOST thru-axle
Rear Axle:
12 x 142mm thru-axle
Tires:
Maxxis Ardent TR
Tire Size:
27.5 x 2.35in
Recommended Use:
cross-country, trail
Manufacturer Warranty:
3 years
Actual Weight:
Blue, XL: 11590g

View more XC Full Suspension

sizing chart

Mach 4 size by rider height

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Geometry chart

Pivot

Geometry Chart

 

Mach 4
100mm Travel Fork
 

Seat Tube

(c-t)

Effective Top Tube

(eTT)

Stack

(S)

Reach

(R)

Stand Over

Head Tube

(HT)

Head Tube Angle

(HT°)

Seat Tube Angle

(ST°)

Bottom Bracket Height

(BBH)

Chainstay

(CS)

Wheelbase
 S  17.2in  22.75in  21.2in  16.3in  28.5in  4.3in  70.5  73°  12.8in  16.75in  42.0in
 M  18.5in  23.25in  21.5in  16.7in  28.8in  4.5in  70.5   73°  12.8in  16.75in  42.5in
L  20.0in  24.0in  22.4in  17.2in  28.8in  5.5in  71.0   73° 12.8in  16.75in 43.3in
XL  21.5in  24.6in  23.0in  17.6in  29.5in  6.1in  71.0   73° 12.8in  16.75in 43.9in
120mm Travel Fork
 

Seat Tube

(c-t)

Effective Top Tube

(eTT)

Stack

(S)

Reach

(R)

Stand Over

Head Tube Length

(HT)

Head Tube Angle

(HT°)

Seat Tube Angle

(ST°)

Bottom Bracket Height

(BBH)

Chainstay

(CS)

Wheelbase
 S  17.22in  22.75in  21.6in  15.8in  28.9in  4.3in  69.2  71.7°  13.17in  16.75in  42.43
 M  18.5in  23.25in  21.8in  16.2in  29.2in  4.5in  69.2   71.7°  13.17in  16.75in  42.94
 L  20.0in  24.0in  22.8in  16.7in  29.2in  5.5in  69.7   71.7°  13.17in  16.75in  43.74
 XL  21.5in  24.6in  23.3in  17.1in  29.9in  6.1in  69.7   71.7°  13.17in  16.75in  44.36

Geometry Chart

Reviews & Community

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trail runner

  • Familiarity: I've used it several times

I was at first a little disappointed at the Mach 4 not really being an XC bike as thats what I like to ride. But after spending just a weekend on it in proper territory I became a fan again. at 5'7" I felt a lot of confidence pretty quickly on the 27.5 wheel setup. Some of this was from the stand over which was more than I've had on anything I've ridden, the KS lev dropper I'd added was really nice as well. It doesn't climb quit as well as the tallboy but really for overall "fun" factor I think I may be better. I guess it's a bike thats right on the line with trail and XC. I would lean a touch more trail.