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Eats trail for breakfast.
Pushing the envelope with progressive geometry that's longer, slacker, and lower for increased composure at high speeds over aggressive terrain, the Mach 5.5 Carbon Team XTR 1x Complete Mountain Bike represents a new-school reincarnation of Pivot's legendary Mach 5.7 Carbon. Its reinvigorated design handles anything the trail throws your way, from chunky, rock-strewn climbs to blistering descents with square-edge hits, steep rock rolls, and root-latticed singletrack just begging for action. Pivot places it firmly into the trail category, with a secondary focus on all-mountain exploration. To be frank, we just call it "damn capable" and "stupid fun," making it a worthy rig for aggressive riders demanding their bike climb like a goat and descend with remarkable composure across the rough stuff.
The Mach 5.5 Carbon retains the sought-after attributes of the DW-Link suspension platform, namely the ability to claw up the steepest, chunkiest climbs and soak up square-edge hits with unbelievable composure on the way down. Once you've reached the summit after a lengthy climb, 5.5 inches of rear travel gobbles up loose rocks and smooths out successive square-edge hits when you're bombing downhill at high speeds. It's all party up front, with 6 inches of travel instilling confidence for rallying over rough sections littered with boulders, loose rocks, and speed-impeding root sections. 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 stretches of trail.
Realizing the industry is ever-shifting, it makes perfect sense to see the Mach 5.5 Carbon with a slacker, longer, and lower geometry for riders seeking unflappable composure at high speeds. The 66.5-degree head tube angle offers stability on 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 the strength and stiffness of 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 added bump compliance and cornering grip of high volume trail tires.
This particular build enjoys the crisp shifting and ultra-light efficiency of Shimano's XTR 11-speed drivetrain with a Race Face Next SL crankset for lightweight stiffness. This 11-speed drivetrain features a massive 11 to 46-tooth cassette for plentiful low-end when you're spinning up steep climbs and pedaling across long stretches of trail with undulating terrain. 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 with the Reynolds Carbon 36-millimeter wheels for snappy acceleration and precise tracking through the rough stuff, rolling on 2.6-inch Maxxis Wide Trail tires for impressive traction and cornering confidence. Another thing to note, the Industry Nine hubs feature an incredible 3-degree engagement, meaning you'll get up and over trail impediments with their near-instantaneous response.
- Pivot's new breed of quintessential trail weapon
- 5.5in of bump-gobbling, edge-smoothing DW-Link travel
- 6in up front for conquering rowdy descents and rough terrain
- 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 XTR 11-speed drivetrain with 46t bail-out cog
- Reynolds Carbon 36mm wheels with Industry Nine hubs
- Item #PIV0041
- Q & A
One bike to rule them all
- Familiarity: I've used it several times
This is honestly the bike that comes the closest to a quiver killer that I have ever ridden. I had the chance to ride it down in Moab, UT which offers a pretty wide range of riding styles, from smooth and sandy to chunky, rocky climbs and descents.
This is a bike that I would consider to be the Switchblade's little brother. It is a bit more nimble and quick than the switchblade, which to me felt like a "smash through things at high speed" style bike. It is a 27.5 wheeled bike, so the smaller wheel creates a smaller gyroscopic effect which makes it feel easier to move from turn to turn and maneuver in the air. At the same time, it runs the new 2.6" width, which gets you a wider contact patch without all the extra volume of a full on plus tire. I noticed much more grip without the sometimes vague and wobbly feeling often felt with full on plus tires.
The DW link suspension is incredibly planted and confident feeling, and feels nice and progressive with a solid ramp up to prevent bottom out on big hits. The way the rear triangle and links are designed lends an incredible amount of lateral stiffness, and prevents the rear end from feeling vague or flexy.
The slack headtube angle of 66.5 degrees combined with the sub 17 inch chainstays makes for a bike that is relatively easy to get the front end up for manuals or log hops. At the same time, the steepish seat angle of 73.5 degrees prevents front end lift on steep climbs, I did not find myself needing to get way over the front end on techy climbs. Running a Fox 36 fork with 160 travel, I was worried it would feel unbalanced, but I was 100% surprised in that it feels perfectly balanced, and having the extra squish in the front end really lets you open the bike up and hit things with reckless abandon.
Overall, the bike felt incredibly planted, confidence inspiring, and somehow still efficient. I'd highly recommend this bike to anyone looking for a true all mountain bike that pedals well, but still descends pretty much anything you could throw at it. I'm really strongly considering it as the next bike to add to my stable.
Please feel free to reach out to me any time, I would be happy to help out with questions or pricing on any of these bikes. 801.736.6396x2344