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2018 Pivot Mach 5.5 Carbon Pro XT/XTR 1x Complete Mountain Bike


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2018 Pivot Mach 5.5 Carbon Pro XT/XTR 1x Complete Mountain Bike


Improving on the legacy of Pivot’s iconic Mach 5.7 Carbon, the Mach 5.5 Carbon Pro XT/XTR 1x Complete Mountain Bike pushes the design envelope with progressive geometry that’s longer, slacker, and lower than ever. It handles everything the trail throws your way, from chunky, rock-littered climbs to blistering descents with square-edge hits, sudden drops, and rock rolls just begging for action. Pivot places it firmly into the trail category, with a secondary focus on all-mountain exploration. To be blunt, we just call it “damn capable” and “stupid fun,” making it a worthy rig for the aggressive rider demanding their bike to climb like a goat and descend with unflappable composure.

The Mach 5.5 Carbon retains the sought-after benefits of the DW-Link suspension platform, namely the ability to claw up the steepest, chunkiest climbs and soak up square-edge hits on the descent. Once you’ve reached the summit after a grueling climb, 5.5 inches of rear travel gobbles up loose rocks and smooths out square-edges at high speeds. It’s all party up front, with 6 inches of travel providing the confidence to rally across anything in sight, including sections usually reserved for longer-travel enduro rigs. This 20-millimeter disparity between front and rear travel gives you a bit more efficiency for pedaling, but with extra plushness up front for cleaning notoriously technical sections of trail.

Seeing the industry is constantly evolving, it makes perfect sense to see the Mach 5.5 Carbon with a slacker, longer, and lower geometry for riders seeking a progressive trail bike that stays glued to the trail and retains stability at high speeds. The 66.5-degree head tube angle offers composure on high-speed descents, without being overly slack or wandering excessively on sustained climbs with steep, punchy sections. Just a tick shorter in the front than the notoriously long and slack Firebird, the Mach 5.5 Carbon’s long top tube gives you ample cockpit room, which is especially welcome if you have a longer reach. This longer front end is complemented with snappy-short 16.93-inch chainstays. Shorter chainstays provide greater maneuverability for cleaning tight corners and uphill sections, as well as lifting the front up and over trail obstacles.

A few key details make the Mach 5.5 Carbon a truly stand-out trail bike. Delving into its carbon frame construction, Pivot employs their proprietary hollow core internal molding process with an optimized lay-up of high-modulus carbon for the lightest weight possible. This method produces a feathery-light frame (claimed as low as 5.7lb) that approaches Mach 429 SL Carbon territory, but with strength and stiffness similar to the enduro-bred Mach 6. In the rear triangle, both the seat and chainstays clear tires of 2.6 inches, which is a nice benefit for riders seeking the added bump compliance and cornering grip of high volume trail tires.

This particular build enjoys the shifting simplicity of Shimano’s XT/XTR 1×11 drivetrain, with a 46t bail-out for spinning up steep climbs. The FOX 36 Factory fork is impressively stiff, lending precise tracking for picking apart rough sections of trail and plunging into steep descents. It’s finished off with 35mm DT Swiss M1700 wheels rolling on 2.6-inch Maxxis Wide Trail tires for impressive traction and cornering confidence—without the significant weight penalty of a plus-sized tire.

Pivot’s new breed of quintessential trail bike weapons

5.5in of bump-gobbling, edge-smoothing DW-Link travel

6in up front help conquer rowdy descents

Progressive trail geometry is longer, lower, slacker

High-modulus carbon frame is lightweight and stiff

Clears 2.6in Wide Trail tires for impressive traction

Shimano XT/XTR 1×11 drivetrain with 46t bail-out cog


2018 Pivot Mach 5.5 Carbon Pro XT/XTR 1x Complete Mountain Bike

Frame Material:

carbon fiber



Rear Shock:

FOX Float Factory DPS EVOL

Rear Travel:



FOX 36 Factory

Front Travel:



Pivot Precision Sealed Cartridge


Shimano XT 11-Speed

Front Derailleur:


Rear Derailleur:

Shimano XTR 11-Speed GS

ISCG Tabs:

yes, ISCG-05 tabs


Race Face Aeffect SL (30t)

Bottom Bracket:


Crank Arm Length:



XT M8000 11-speed (11-46t)


Shimano XT M8001

Brake Type:

hydraulic disc




Pivot Phoenix Team Carbon 35mm

Handlebar Rise:


Handlebar Sweep:

Handlebar Width:



Pivot Phoenix Team Padloc


Pivot Phoenix Team Enduro/Trail


Phoenix WTB Vigo Pro


[XS] LEV Integra Dropper, [S-XL] FOX Transfer Dropper 125/150mm (S-M/L-XL)

Seatpost Diameter:



DT Swiss M1700 35mm


DT Swiss (36t ratchet)

Front Axle:

15 x 110mm Boost

Rear Axle:

12 x 148mm Boost


[front] Maxxis Minion DHF Wide Trail, [rear] Maxxis Rekon Wide Trail

Tire Size:

27.5 x 2.6in


not included

Recommended Use:

trail, enduro

Manufacturer Warranty:

3 years


2018 Pivot Mach 5.5 Carbon Pro XT/XTR 1x Complete Mountain Bike


Mach 5.5
160mm Travel Fork
  Seat Tube


Effective Top Tube






Stand Over Head Tube


Head Tube Angle


Seat Tube Angle


Bottom Bracket Height




XS 14in 21.96in 22.93in 15.35in 27in 3.54in 66.5° 73.8° 13.4in 16.93in 43.95in
S 15.5in 22.99in 23.48in 16.14in 27.18in 4.13in 66.5° 73.5° 13.4in 16.93in 44.98in
M 16.75in 24.28in 23.84in 17.32in 27.2in 4.53in 66.5° 73.5° 13.4in 16.93in 46.32in
L 18in 25.17in 24.21in 18.11in 27.23in 4.92in 66.5° 73.5° 13.4in 16.93in 47.26in
XL 19.5in 26.26in 24.58in 19.09in 28in 5.31in 66.5° 73.5° 13.4in 16.93in 48.4in


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