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2017 Pivot Mach 429 Trail 27.5+ XT Race 1x Complete Mountain Bike


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2017 Pivot Mach 429 Trail 27.5+ XT Race 1x Complete Mountain Bike


Pivot’s award winning Mach 429 Trail 27.5+ XT Race 1x Complete Mountain Bike is back for 2017 with boosted axles and plus-sized compatibility for a ride that’s equal parts confidence-inspiring, plushly smooth, and all-out fun. Kitted out with a blend of Shimano componentry that balances durability, light weight, and cost, this build draws inspiration from the dichotomous worlds of XC and enduro to bring snappy speed and big hit durability to nearly any terrain.

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 4.5in of travel that feels closer to a proper 5in 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 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. 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.

The wide PF92 bottom bracket anchors the stiff Boost axles, accommodating wider pivot placement for longer life in the suspension’s bearings and a stiffer rear triangle. We suspect that the PF92/Boost 148 collaboration is also responsible for the room to slam the rear wheel up and shorten the chainstays, making for even more power-transferring efficiency and the nimbleness described above.

A versatile 27.5+ trail bike that borrows queues from XC and enduro

4.5in of responsive DW-Link suspension

Geometry sits on the slack side of moderate to clean bigger lines

Pivot’s carbon construction balances light weight and stiffness

Beefy axles boost stiffness for a snappy ride

External cable routing reduces cost and makes for easy maintenance

Shimano build kit blends workhorse reliability and precise shifting


2017 Pivot Mach 429 Trail 27.5+ XT Race 1x Complete Mountain Bike

Frame Material:

carbon fiber



Rear Shock:

Fox Float DPS Black

Rear Travel:



Fox 34 Float Performance Black 29

Front Travel:



Pivot semi-sealed cartridge


Shimano SLX 11-speed

Front Derailleur:


Rear Derailleur:

Shimano XT 11-speed GS

ISCG Tabs:



30t Race Face Aeffect SL

Bottom Bracket:



11-46 Shimano XT M8000


Shimano M615

Brake Type:

hydraulic disc


Phoenix Sport Alloy


Phoenix Lock On


Phoenix Trail Enduro


Pivot WTB Vigo Sport


Phoenix Sport Alloy

Seatpost Diameter:


Seat Collar:



Sun Ringle Charger Comp Boost

Front Axle:

15 x 110mm Boost thru-axle

Rear Axle:

12 x 148mm Boost thru-axle


[front] Maxxis Rekon, [rear] Maxxis Ikon

Tire Size:

[front] 27.5 x 2.8in, [rear] 27.5 x 2.8in

Recommended Use:

trail, mountain bike

Manufacturer Warranty:

3 years on frame


2017 Pivot Mach 429 Trail 27.5+ XT Race 1x 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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