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2017 Pivot Mach 429 Trail XT/XTR Pro 2x Complete Mountain Bike


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2017 Pivot Mach 429 Trail XT/XTR Pro 2x Complete Mountain Bike


Proper all-mountain riding has long been off limits to wagon wheel machines, but bikes like the latest Pivot Mach 429 Trail XT/XTR Pro 2x Complete Mountain Bike refuse to be excluded. The Mach 429 Trail is competent on terrain that was previously reserved for 27.5in enduro sleds, but it also excels on fast hardpack, making it one of the most versatile machines in the mid-travel range. We aren’t all able to assemble a quiver of bikes, but the Mach 429 SL’s versatility and the blend of Shimano XTR and XT in the double drivetrain make it the right choice for almost anything this side of gravity runs.

The key tech lies in the hub width and the linkage. The rear hub plumps out to 148mm, and the linkage incorporates elements of the big-hit Phoenix, Pivot’s DH bike, in a design tailored for mid-travel that opens the rear triangle so Pivot could slam the wheel up into the seat tube. That keeps the chainstays relatively stubby so the bike strikes a playful note that we don’t typically associate with wagon wheels. Despite the dice-happy back end, the Mach 429 Trail leads into terrain with a moderately slack head tube that ticks a few degrees lower than its XC-minded predecessor, the 429SL, bringing it more in line with the versatile 29in Switchblade. The front end showcases the linkage’s gravity pedigree by attacking rock gardens and root lattices with stable, point-and-click tracking that doesn’t wander on climbs or sacrifice handling in low-speed manuevers.

The 429 Trail’s DW-Link suspension takes a handful of queues from Pivot’s Mach 6 and Phoenix frames, teasing a depth out of the 116mm of travel that feels closer to a proper five-inch trail bike. The canny cyclist may spot elements of Pivot’s DH clevis and enduro lower linkage in this model, but the completely new upper linkage translates those big-hit designs to the traction-focused language of a trail bike. By bringing the 429SL’s small-bump compliance and race-worthy trail-contact into conversation with the Mach 6’s terrain-erasing capabilities, the 429 Trail defines the crossroads where XC speed meets fearless, enduro aggression.

The frame itself begins life with Pivot’s hollow-core internal molding process for uniform, controlled wall thicknesses and material distribution. This process virtually eliminates inconsistencies and resin pooling, increasing structural integrity while targeting areas for weight loss. Despite that focus on keeping weight down, areas like the bottom bracket and head tube are built-up to increase drive stiffness. Combined with the added stiffness of Boost hubs, this all-but eliminates the noodliness that we’ve associated with our first 29er experiences. The result is a bike that’s slack enough to challenge big lines but nimble enough to pick its way through enduro-grade terrain—all while sticking climbs and roosting berms in the manner that first made us fall in love with the Mach 429 line.

A wagon-wheel trail machine that does the work of three bikes

4.5in of dw-link suspension feels bottomless but stays responsive

Playful geometry leans toward enduro up front with dice-happy stays

Boost hubs and impeccable construction stiffen the 29er platform

Bottom bracket designed with Shimano for stiffness and longevity

Removable front derailleur mount for tidy one-by drivetrains

Shimano drivetrain blends XTR and XT for all-purpose racing and riding


2017 Pivot Mach 429 Trail XT/XTR Pro 2x Complete Mountain Bike

Frame Material:

carbon fiber



Rear Shock:

FOX Float DPS Kashima

Rear Travel:

116 mm


FOX 34 Factory Kashima

Front Travel:

130 mm


Pivot Precision Sealed Bearing


Shimano XT M8000

Front Derailleur:

Shimano XT M8000 Side Swing E-Type

Rear Derailleur:

Shimano XTR M9000 GS

ISCG Tabs:

yes, ISCG 05


24 / 34 t Shimano XT M8000

Bottom Bracket:

PressFit 92


11 – 24 t Shimano XT M8000


Shimano XT M8000

Brake Type:

hydraulic disc


Phoenix carbon riser

Handlebar Width:

740 mm


Phoenix lock-on


Phoenix Team


Pivot WTB Vigo Race


Phoenix Race carbon

Seatpost Diameter:

30.9 mm


DT Swiss Spline-Two M1700

Front Axle:

15 x 110mm Boost

Rear Axle:

12 x 148mm Boost


[front] Maxxis High Roller II, [rear] Maxxis Ardent

Tire Size:

[front] 29 x 2.3 in, [rear] 29 x 2.25 in


not included

Recommended Use:


Manufacturer Warranty:

3 years on frame


2017 Pivot Mach 429 Trail XT/XTR Pro 2x Complete Mountain Bike


Mach 429 Trail
  Seat Tube


Effective Top Tube






Stand Over Head Tube


Head Tube Angle


Seat Tube Angle


Bottom Bracket Height




S 16in 22.85in 23.91in 15.1in 28.54in 4in 67.5o 72.8o 13.19in 17.45in 43.7in
M 17.5in 23.9in 23.93in 16.11in 28.98in 4in 67.5o 72.8o 13.19in 17.45in 44.69in
L 19in 24.75in 24.59in 16.66in 29.29in 4.7in 67.5o 72.8o 13.19in 17.45in 45.47in
XL 20.5in 25.6in 25.71in 17.14in 30.04in 5.9in 67.5o 72.8o 13.19in 17.45in 46.46in


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