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2017 Pivot Mach 429 Trail 27.5+ XT/XTR Pro 2x Complete Mountain Bike


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2017 Pivot Mach 429 Trail 27.5+ XT/XTR Pro 2x Complete Mountain Bike


By now, we can all agree that the 2017 Pivot Mach 429 Trail 27.5+ XT/XTR Pro 2x Complete Mountain Bike strikes a great balance between XC speed for the days we want to hit the flowy singletrack and big hit aggression when we turn to the gnarlier stuff. Granted, it’s 4.5 inches of travel makes no claims of being an enduro sled, but it’ll hold its own surprisingly well compared to other bikes with similar travel. If you’re looking for a double chainring build with plus-sized wheels and versatile capabilities, this bike just may be the one you’re looking for.

The 429 Trail’s DW-Link suspension owes its capabilities to a handful of queues taken from the Mach 6 and Phoenix, teasing a virtual depth out of the 116mm 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 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 is created using Pivot’s hollow-core internal molding process for uniform, controlled wall thicknesses and material distribution. This process virtually eliminates resin pooling and inconsistencies, increasing structural integrity while targeting areas for weight loss. The frame rises from the mold with a 67.5-degree head tube angle and relatively stubby chainstays, making it slack enough to challenge lines across rock gardens but nimble enough to pick its way through enduro-grade terrain—all while sticking climbs and roosting berms in the manner that made us fall in love with its immediate predecessor, the 429SL.

A trail bike that balances XC speed, big hit durability, and plus-size tires

4.5in of responsive DW Link suspension

Geometry sits on the slack side of moderate for added stability

Pivot’s carbon construction targets light weight and stiffness

Boost axle widths increase stiffness and responsiveness

Wide PF92 bottom bracket complements axles for snappy handling

External cable routing lowers cost and allows easy maintenance

Double chainring drivetrain precisely shifts through a wide gear range


2017 Pivot Mach 429 Trail 27.5+ 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 Boost

Front Travel:

130 mm


Pivot Precision Sealed Bearing


Shimano XT 11-speed

Front Derailleur:

Shimano XT side swing E-Type

Rear Derailleur:

Shimano XTR 11-speed GS

ISCG Tabs:

yes, ISCG 05


24 / 34 t Shimano XT M8000

Bottom Bracket:



11 – 42 t Shimano XT M8000 11-speed


Shimano XT 8000

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

Seat Collar:

34.9 mm


DT Swiss 27.5+ XM 551


DT 350

Front Axle:

15 x 110mm Boost thru-axle

Rear Axle:

12 x 148mm Boost thru-axle


[front] Maxxis Rekon, [rear] Maxxis Ikon

Tire Size:

27.5 x 2.8 in, 27.5 x 2.8 in

Recommended Use:

trail, mountain bike

Manufacturer Warranty:

3 years on frame

Actual Weight:

Electric Blue, L: 12850g


2017 Pivot Mach 429 Trail 27.5+ 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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