Quiver

Pivot2026

2026 Pivot Mach 4 SL Expert

XC

The 2026 Pivot Mach 4 SL Expert sits more aggressive than most XC bikes, with a slacker head angle and a shorter rear center. Reach 410 to 495 mm, stack 583 to 629 mm. The Mach 4 SL Expert build comes with Shimano XT Di2 shifting and DT Swiss X 1900 wheels.

Source: pivotcycles.com. Checked .

Key facts

Brand
Pivot
Model year
2026
Frame
Expert
Type
XC
Geometry labels
XS, S, M, L, and XL
Drivetrain
Shimano XT Di2
Geometry
Complete for every size
Source
pivotcycles.com
Checked

Geometry by size

2026 Pivot Mach 4 SL Expert geometry drawing, size MSide view of the 2026 Pivot Mach 4 SL Expert frame in size M, drawn to scale from its published geometry, with lettered dimension lines.J 1179A 450mmB 602mmJ 1179mmH 432mmK 38mmC 619mmD 66.0°E 75.0°F 105mmG 420mmN 336mmL 687mm
Geometry drawing, size M, to scale.
2026 Pivot Mach 4 SL Expert geometry by size
MeasurementXSSMLXL
Reach(mm)410425450470495
Stack(mm)583590602606629
Head tube angle(°)6666666666
Seat tube angle(°)7575757575
Effective top tube(mm)574591619640672
Chainstay length(mm)432432432432432
Wheelbase(mm)11311149117912011236
BB drop(mm)3838383838
BB height(mm)336336336336336
Standover(mm)641655687686699
Seat tube length(mm)355394420460505
Head tube length(mm)8592105110135

Stock build

14 parts

Frame

FrameFrom the manufacturer: Frame type Full Suspension

Suspension

Fox 34SL Performance
ForkFrom the manufacturer: Wheel size 29
Fox Float Performance
Rear shockFrom the manufacturer: Weight 280 g

Drivetrain

Shifter
Shimano XT Di2
DerailleurFrom the manufacturer: Maximum cog 51 tFrom the manufacturer: Cassette compatibility ShimanoFrom the manufacturer: Clutch yes
CassetteSpeeds 12Freehub body Shimano Micro Spline
ChainSpeeds 12From the manufacturer: Compatibility HG 12-speedWeight 252 g
CranksetFrom the manufacturer: Spindle / BB interface 30mmFrom the manufacturer: Speeds 12

Wheels & Tires

WheelsetFrom the manufacturer: Rim material AluminumFrom the manufacturer: Spoke count 32From the manufacturer: Weight 1882 g
TireWheel size 27.5 / 29Width 2.25 / 2.35 / 2.4TPI 60 / 120 TPIBead FoldingTubeless readyWeight 687 g

Brakes

Shimano SM-RT86
Rotor

Cockpit

Phoenix Factory Lock-On
Stem

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Quick answers

Which size or configuration labels have geometry for the 2026 Pivot Mach 4 SL Expert?
Geometry is listed for XS, S, M, L, and XL.
What are the reach and stack of the 2026 Pivot Mach 4 SL Expert in size M?
In size M, reach is 450 mm and stack is 602 mm.
What is the head tube angle of the 2026 Pivot Mach 4 SL Expert?
The head tube angle is 66 degrees in every size.
What does the 2026 Pivot Mach 4 SL Expert ship with?
The stock build includes Pivot Mach 4 SL, Fox 34SL Performance, Shimano XT, and DT Swiss X 1900.
Which years of the Pivot Mach 4 SL are on Quiver?
Quiver has the Pivot Mach 4 SL for 2026 and 2022.

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