Mach 429 SL V2


The race proven, World Cup-caliber, Mach 429SL Carbon is the leader of the new breed of racing full suspension. Choice of National and World Champions, selected as Best Mountain Bike at Interbike and as Mountain Bike of the Year by Bicycling Magazine, Pivot’s 100mm 29er is the bike you want for the ultimate in power transfer efficiency and technical trail mastery.

Rear Travel

Rear Travel

Wheel Size

Wheel Size





Quality Craftsmanship

We strive to build the best-performing cycling products in the world.

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Geometry & Sizing

We strive to build the best-performing cycling products in the world.

Geometry image


Read the latest on the Mach 429 SL V2.

Engineer's Corner

Get everything you need to know about the bikename.

Frame weight from 5.2lbs (2.4Kg) and sub 23lb (10.4kg) complete

100mm of renowned dw-link® suspension tuned for race and trail handling

World Cup caliber full carbon frame featuring leading edge carbon fiber materials and Pivot’s proprietary hollow core internal molding technology

Pivot's race-winning, trail-slaying geometry

29-inch wheels for the fastest laps and superior rollover in technical terrain

Full length internal cable routing and Shimano Di2 integration via Pivot’s exclusive, easy-to- maintain Cable Port System

Internal dropper post compatible

Cold forged alloy linkages with Enduro Max Cartridge Bearings

Fox Float Kashima Factory shock, performance tuned for the Mach 429SL

Highly durable rubberized leather downtube and swingarm protection

Updated to Boost™ 12 x 148mm rear spacing

Designed to work with forks from 100-120 mm in travel

Designed to work with forks from 100-120 mm in travel

Weight conscious matte carbon finish with Red or Blue color options

Available in sizes S, M, L, XL for riders between 5'4" and 6'3"+

Small Parts Schematic Save tech spec
Di2 Schematic Save tech spec
Dropper Fit Guide Save tech spec
Suspension Setup Guide Save tech spec
Pivot Owner's Manual Save tech spec

To ensure the best sizing, we recommend that you visit your local Pivot dealer to get a professional fit and refer to our geometry chart to check your measurements. However, we can provide a rough guideline:

Small: 5'4" – 5’8”
Medium: 5'8" – 5’11”
Large: 5'11" – 6’3”
X-Large: 6'3" +

We make it easy to get the best ride out of your Pivot bike with a simple sag indicator already installed on your bike, and this follow-along video featuring our own Bernard Kerr: .

Variables in frame size, discrepancies in scale calibrations, and method of weighing (with or without pedals and such) all lead to inaccurate comparisons, so we choose not to publish our bike weights. Pivot bicycles are among the lightest available, but the weight is only one of many factors that make a great bicycle. Other aspects such as frame stiffness, strength, durability, and ride quality are just as important as weight to our engineers when designing our Hollow Core Carbon and aluminum frames. Instead of comparing grams online, we suggest you visit your local Pivot dealer and see our attention to detail, smart, high value spec, and class leading features. Bring a scale if you’d like, but take just one demo ride and you’ll feel why Pivot Cycles are the most well-rounded, highest performing bicycles on the market and in many cases, yes, it’s the lightest as well.

The Mach 429SL uses the Boost 148mm X 12mm hub/wheel spacing. This is a new hub design with wider flanges so you cannot take a current 135mm, 142mm, 150mm, or 157mm hub and change end caps to convert an existing hub

The Mach 429SL Carbon is compatible with both 29” and 27.5”+ wheelsize

The Mach 429SL Carbon fits 29” tires up to 2.35” and 27.5”+ tires up to 2.8”

Yes, the Mach 429SL carbon was designed to clear a large water bottle on top of the down tube. For best clearance, we suggest removing the rear shock and swapping the spacer hardware from front to rear and then re-installing the shock with the air can side facing the rear triangle and the CTD adjusters facing up towards the top tube. This will open up the clearance significantly at the front allowing easy access to the larger bottles. This is the set up all our racers run and we designed the frame to be run this way for those wanting to use large bottles.

Pivot uses a 1.5 thread pitch on the rear thru axle. You can order one through our online store.

The Mach 429SL Carbon frame uses a 30.9mm seatpost.

The Mach 429SL Carbon frame uses a 34.9mm or 35mm (as some manufacturers call it) seatpost clamp.

The Mach 429SL is designed for an internal routing dropper post, so any internally routed dropper post is compatible.

The Mach 429SL Carbon will accept all cranks designed for the BOOST system and compatible with a press fit 92mm bottom bracket. BOOST system means that the rear hub spacing is 148mm and the chain-rings have been shifted out approximately 3mm from where a tradition crank designed for a 142mm rear hub would be so that the chainrings will line up properly with the new position of the cassette on the 148mm rear hub

In some cases you can run a conventional non-BOOST 1x or 2x crank. The Race Face NEXT 1x and other Cinch system 1x cranks are dual compatible between standard 142mm and 148mm Boost rear ends. Some smaller chainring combinations - 1x (30 and 32T) Shimano XT and XTR 11 - will also work. In some cases 2x standard cranks may also work with 24/34, 26/36 and 22/36 combinations. Shimano’s new 11-Speed XTR and XT standard cranks feature both 24/34 and 26/36 chainring options which work perfectly with the Mach 429SL Carbon frame as Shimano’s chainline dimensions already tend to run wider than others in the market. There may be other 2x non- boost cranks available that will work although it is dependent on specific chainline and chainring size. If the chainline is not out far enough, the front derailleur clearance may be tight when shifting into the small ring as the front derailleur mount on the Mach 429SL Carbon is also shifted outwards to accommodate the BOOST design.

The Mach 429SL Carbon uses a DM (direct mount) Shimano side-swing style front derailleur only. Shimano produces the side-swing front derailleur in Deore and SLX for 10 speed drivetrains and in SLX, XT and XTR for 11 speed drivetrain.

The maximum size chain ring that will clear on the Mach 429SL Carbon is a 34-tooth.

Yes. The Mach 429SL carbon features ISCG05 mounts on the frame. Most upper guides on the market will fit. For full upper and lower guides, you will need a wide angle design.

The Mach 429SL Carbon uses a ZS (zero stack) 44mm top and (zero stack) 56mm bottom, or a Chris King Inset 2.

The Mach 429SL Carbon will clear either a 160mm or 180mm rotor.

No brake adapter is needed for a 160mm rotor. However, if you prefer a 180mm rotor, you will need a 160mm to 180mm post mount adapter.

The Mach 429SL Carbon was designed for either a 100mm or 120mm fork. We use a 120mm fork in all our complete bike builds (although for special orders you can request a 100mm). The maximum travel length that can be used on the Mach 429SL Carbon is 130mm travel.

The Fox 34 120mm, which comes on all of our complete bike builds, features a 51mm offset. The Fox Stepcast 32 100mm option on our XC Race build features 44mm offset.

The eye to eye shock length is 7.25 inches and the stroke length is 1.75 inches

The Mach 429SL shock uses M8 through-bolt hardware on both the front and rear. Shock spacer dimensions are 22mm wide front and 36mm wide rear. The frame is designed around a standard sized air can volume and we typically run light to medium valving on the compression side (depending on rider weight) and light rebound damping.

You cannot run a coil-over on your Mach 429SL Carbon. The Mach 429SL Carbon was designed to work with the progressiveness of an air spring. A coil-over shock (even one with separate bottoming control) does not offer the progressive spring curve that the Mach 429SL requires. Running a coil-over shock on the Mach 429SL will result in hard bottoming and damage to the frame that will not be covered under the warranty policy.

A detailed PDF of the torque specs can be found under Tech Specs.