2017 Pivot 429 MachSL Carbon first look

Boost rear end ups stiffness, sheds weight, and adds Plus compatibility

29er Cross Country News
The racy 429SL is at home on the trails or competing bar to bar.

The racy 429SL is at home on the trails or competing for the podium.

The Pivot 429 MachSL is one of our favorite XC race bikes. It somehow straddles the thin line between race pace efficiency, while still remaining confident when things get rowdy. This past year it has proven its chops by winning a World Solo 24 Hour Championship and the overall Epic Series title. It didn’t need an upgrade, but the Arizona brand felt they could make the 429SL even better with some key tweaks.

Lighter, matte finish with better graphics are now available.

Lighter, matte finish with better graphics are now available.

For 2017, they’ve left the frame geometry untouched, but reworked the rear triangle and linkage. The refresh has significantly increased stiffness, helped drop a few grams, and added 27.5+ compatibility.

The 429MachSL also has provisions for an internally routed dropper post.

The 429MachSL also has provisions for an internally routed dropper post.

Aside from the all-new boost rear end, the frame remains the same. For those who need a refresh, that means 100mm of rear travel via a DW-Link system. Up front, it’s best paired with either a 100mm or 120mm fork. It all depends on your intentions. Other details include full internal cable routing with Shimano Di2 Integration and Enduro Max Cartridge Bearings.

The top of the line models are available with either SRAM Eagle of Shimano Di2. The entry level build features a smart blend of Shimano SLX and XT components.

The top of the line models are available with either SRAM Eagle of Shimano Di2. The entry level build features a smart blend of Shimano SLX and XT components.

The 429SL is available in four different sizes (S, M, L, XL) and should fit riders between 5’3” and 6’4”. Claimed weights for the frame is 5.2 lb (2.4kg) and sub 23 lb (10.4kg) for a complete.

Mach 429SL Carbon Features
  • Frame weight from 5.2lbs (2.4Kg) and sub 23lb (10.4kg) complete.
  • 100mm dw-link® suspension tuned
  • Full length internal cable routing and Shimano Di2 integration
  • Internal dropper post compatible.
  • Cold forged alloy linkages with Enduro Max Cartridge Bearings.
  • 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.
  • Available in sizes S, M, L, XL for riders between 5’3″ and 6’4″.

For more info, visit www.pivotcycles.com

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