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2021 Sonder

Evol SX Eagle

A 29″ aluminum frame full suspension trail bike with upper mid-range components.
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Manufacturer Price

$2,049
Weight32.4 lbs  
FrameAluminum
SuspensionFull, 140 / 150mm
ForkRockShox 35 Silver
ShockRockShox Deluxe Select+
Wheels29″ Aluminum
Drivetrain1 × 12
GroupsetSX Eagle
BrakesAvid Hydraulic Disc
Where to Buy
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Evol SX Eagle
Other Trail bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

25 mph

Evol SX Eagle

26 mph

Similar Bikes

Highest gear

(descending)

Sizing
SM

5'2" – 5'8"

MD

5'6" – 5'11"

LG

5'10" – 6'3"

XL

6'1" – 6'7"

🐐 Estimated

Rider Fit Notes

None yet.

Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.

Reviews
BikeRadar
Sonder Evol GX Eagle review

Sep 2021 · Alex Evans

Impressive spec does a good job of mitigating the Evol’s geometry and suspension quirks

Highs
  • High-performing parts are the star of the show

  • The geometry is well-suited to descending

  • It’s hard to argue with the asking price

Lows
  • Rear suspension lacks mid-stroke support

  • Some might find the fork and shock tricky to set up correctly

  • Not as refined-looking as some of its competition

Read Review

MBR
Sonder Evol GX Eagle Helm DB-IL review - MBR

Apr 2019 · Alan Muldoon

Regardless of the price point all Sonder Evol models share the same butted aluminium frame, with its four-bar suspension design delivering 140mm of travel.

Read Review

Singletrack World
Review: The UK-designed Sonder Evol aims to deliver maximum grins-per-mile

Jan 2019 · James Vincent

With more and more brands selling complete mountain bikes direct to consumer, we decided to check out three of the latest options from Intense, Bird, and Sonder, to put each...

Read Review

Geometry
Specs
Build
Frame

Aluminum

BB StandardBSA, 73mm, Threaded

Fork

RockShox 35 Silver R, 44mm offset

Travel150mm

Spring TypeCoil

Shock

RockShox Deluxe Select+ RT, 210mm x 55mm

Travel140mm

Bottom Bracket

SRAM PowerSpline, 73mm English/BSA threaded

Headset

FSA Orbit C-40-ACB, IS42/28.6 upper, IS52/40 lower

Stem

Love Mud Piskie, 35mm length, 31.8mm bar clamp

Handlebar

Sonder Aspect Riser, 31.8mm clamp diameter

Saddle

Sonder Kura

Seatpost

Sonder Membar, 400mm length

TypeRigid

Pedals

None

Grips

WTB Wafel

Groupset
Rear Derailleur

SRAM SX Eagle, 12-speed

Front Derailleur

None

Crank

SRAM SX Eagle PowerSpline, 170mm length

Shifters

SRAM SX Eagle, 12-speed

Cassette

SRAM SX Eagle PG-1210, 12-speed, 11-50 tooth

Chain

SRAM NX Eagle, 12-speed

Chain Guide

None

Brakes

SRAM G2 R, 4-piston, Avid CenterLine 180mm rotors

TypeAvid Hydraulic Disc

Brake Levers

SRAM G2 R

Wheels
Rims

Sonder Nova

Spokes

Sonder Nova wheelset

Front Hub

Shimano, 110x15mm Boost front, 148x12mm Boost rear with HG driver

Rear Hub

Shimano, 110x15mm Boost front, 148x12mm Boost rear with HG driver

Tires

Front: WTB Vigilante, Light/High Grip, 29" x 2.5", Rear: WTB Trail Boss, Tough/Fast Rolling, 29" x 2.4"

Rider Notes
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First added May 4

Last updated May 4

Not listed for 1,491 days