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Pivot Mach 429 Carbon Mountain Bike Frame - 2014

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$2,319.00 $2,899.00 20% off

Item # PIV0021

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  • Team Green, M ($2,319.00)
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Item # PIV0021

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The Pivot Mach 429 Carbon Frameset features Pivot’s hollow-box internal molding and a revised DW-Link pivot system for lightweight, bob-free XC and all-mountain performance. As Pivot’s top-shelf wagon-wheeler, the 429 Carbon has a lot to prove. And it does.

Pivot’s hollow-box molding allows for greater compaction of fibers and resin. The smoother internal walls produce a lighter, stronger frame. The end result, along with the revised DW-Link suspension, makes for unparalleled chassis strength and stiffness.

The revised DW-Link was created to reduce flex that’s inherent with the old design. This flex occurs at the upper link. The new upper link is mounted lower, and it’s packaged more compactly. This shortened link reduces flex. The smaller, tighter link also allows for a smaller, stiffer rear triangle and lower shock mount. What all this means is shorter chainstays, increased standover height, and a lower bottom bracket. And you know what that means—tighter handling.

With the DW-Link taking care of unwanted squat, the tuned Fox CTD rear shock doesn’t need the damping that other designs need. That means that it can respond to the demands of the trail with a high level of sensitivity. Everything from trail chatter to big drops is taken care of about as well as we’ve seen, and the bike tracks beautifully over almost any type of terrain.

  • Hollow-box frame molding
  • Revised DW-Link
  • Shorter chainstays
  • Increased standover height
  • Tuned Fox CTD rear shock

Tech Specs

Frame Material:
carbon fiber
Rear Shock:
FOX CTD Kashima
Rear Travel:
100 mm
Head Tube Diameter:
ZS44/ZS56 zero stack tapered
Headset Included:
Bottom Bracket Type:
ISCG Tabs:
yes, ISCG 05
Cable Routing:
Front Derailleur Mount:
Compatible Components:
Shimano, SRAM
Seatpost Diameter:
30.9 mm
Rear Axle:
12x142 mm
Recommended Use:
all mountain
Manufacturer Warranty:
1 year limited on frame

Geometry chart

Pivot Cycles

Geometry Chart


Pivot Mach 429 SL Carbon
120mm Travel Fork

Seat Tube


Effective Top Tube








Head Tube Length


Head Tube Angle


Seat Tube Angle


Bottom Bracket Height




S 17.0in 23.0in 24in 15.2in 28in 4.0in 69.30 71.90 13in 17.7in 43.2in
M 18.5in 24.0in 24in 16.3in 29.6in 4.0in 69.30 71.90 13in 17.7in 44.2in
L 20.0in 24.75in 24.7in 16.8in 29.6in 4.7in 69.30 71.90 13in 17.7in 45in
XL 22.0in 25.6in 25.8in 17.3in 30.8in 5.9in 69.30 71.90 13in 17.7in 45.9in

Reviews & Community

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Pivot Mach 429 Carbon Mountain Bike Frame - 2014

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Here's what others have to say...

5 5

One of the best!!

  • Familiarity: I've put it through the wringer

I recently purchased this bike after debating between several.One of the best decisions Ive ever made! It has everything riders loved about the alloy frame but in a lighter,stiffer and more agile version. For only having 100mm of travel the bike actually handles gnarly terrain extremely well, due largely to the slightly slacker head angle. With the lower bottom bracket and shorter chain stays this bike descends extremely fast and is very acrobatic when picking lines.Another amazing component to this bike is the DW-Link suspension. Its a bit stiffer than other suspension offerings by other brands but the suspension only works when you need it to giving it a hardtail like feel when climbing- anti squat too. All in all this is a great all around bike. It can certainly be very effective as a race bike yet comfortable enough for long, epic rides with your buddies on the weekend. Its definitely my choice for this season and if you have the means I highly recommend picking one up. or 801-736-6396 x 4074 if ya have questions

One of the best!!
5 5

8 months of full-on trail thrash

  • Familiarity: I've put it through the wringer

I'd second Scott's comments, even the Ripley observation. Something about the Pivot cockpit really suits me, and I've ridden 'em all (6-0, 180 lbs.). Have done everything from bike park to high country on the Mach 429c and altho I was late to the 29 game, this bike has it dialed for 80 percent of what I do. I miss a bit more travel on some drops, launches, etc. Hoping Chris & crew will come out with a Mach 629c, maybe 150-155mm and a Pike fork. More here:

Responded on

What size frame did you go with? I'm also 6' and I weigh about 190lbs.


Responded on

Went with an L. No-brainer on the Pivot. Much harder to size 6-0, 6-1 on the new crop of 27.5s with longer TTs and shorter chainstays...

5 5

Perfect blend- fast, nimble and DW link

  • Familiarity: I've put it through the wringer

It goes without saying to never buy a bike based on advertising and hype. Test ride it, compare it and make sure it's what you are looking for. What this bike does is combine great climbing prowess with excellent descending. Flickable for a big wheel bike with confident manners. I demo'd an Ibis Ripley ( full disclosure, I owned a Mojo sl and loved it) and could not shake the short top tube forward feel on downhills, (100mm stem on a large and I'm 5"11). I demo'd a SC tallboy Carbon, and could not get past the feel of the suspension both climbing and descending. I demo'd a Trek Sfly100, great climber, but the long history of breaking dissuaded me. I demo'd the Pivot... Ahhh Goldilocks! For me...YMMV, it was the sweet-spot. Long top tube, short chain-stays, DW link. If you want a full on trail machine you should look for more suspension and give up the climbing ability of the 429C. If you want a cross country racer there are shorter travel and lighter bikes out there. The reality is that there is no one bike to rule them all. You always give up something. The 429carbon seemed to give up less than others I tried.

Responded on

Right on bro. Pretty much second everything you say after riding 8 mos. all types.

3 5

Smooth Singletrack Shredder

  • Familiarity: I've used it once or twice and have initial impressions

Ah yes, the Mach 429 Carbon. Trumpeted by my peers, Pivot, and numerous media mouthpieces as a ?do-it-all? trailbike, my anticipation to ride such a lauded bike was palpable. So, after parting the horde of onlookers at the Outerbike demo event in Moab this year, I was giddy to be gifted the opportunity to take the Pivot out for a brief hour spin on some intermediate-tech singletrack. After all, my weapons of choice usually fall into the Santa Cruz Tallboy LTc/Niner RIP9 RDO realm, and some a shade bit more nimble with similar geometry/capabilities sounded right in my wheelhouse.

Nimble it was - instant power transfer was synonymous with pedaling. The polyamorous union of shorter stays, rearward axle path, short travel, and light swingarm developed razor-sharp handling. The slacker head angle, long front-center, and big wheels kept the playful nature of the bike in check whipping through berms and flat corners. Unfortunately, the very aspects that make the bike fun also bled through when the going got rough. I?m not a bigger guy (150-160lbs), but have the riding finesse of a yak powered by a pro road racer?s cardio system...that likes to go airborne. The 429 was quickly overwhelmed in the rougher stuff and repeated small, fast bumps would cause the rear suspension to pack up and run through its travel at a fairly rapid rate. The often-spec?d Fox 32 was not quite up to the par for trailriding duties, suffering the same fate as the 4-inch rear end.

That said, the Mach 429 is a perfect alternative to many short-travel XC race platforms in the 29er world, and will likely delight anyone coming from a hardtail bike. The playfulness, low weight, and relaxed geometry makes it perfectly suited to areas with smooth trails and a general lack of technical features.

Unfortunately, Pivot claims to not have any longer-travel bikes on 29ers in development, and those looking for something more rowdy would be better suited investigating the Ripley, Tallboy LTc, or RIP9 RDO.