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Sonora ES

Weight 10.6 kg
Sizes  27,5" - 16" | 29" - 18", 20", 22"
Frame Carbon SL HMF
Color(s) Foggy Grey

Pricing

Price
On Request

This Is What You Get …

... when STEVENS designs a racing machine for ambitious marathon riders on big 29" wheels: A top of the line carbon monocoque frame. Partnered with components that easily take the pounding of a full racing season - from Shimano's Deore XT 2x11-speed drivetrain and Ice-Tech brakes to the stylish DT Swiss wheelset. Long story short: It's the Sonora ES.

  • Fast carbon hardtail with first-class handling
  • Lightweight Fox 32 Float Step Cast suspension fork w/ lockout remote control
  • Full Shimano Deore XT 2x11 groupset
  • DT Swiss M 1900 Spline wheels w/ boost axle standard
  • Overall weight suitable for marathon racing: only 10.4 kg (23 lbs)

Equipment

  • einfach
  • erweitert

Chassis

Frame
Carbon SL HMF
  • Double Chamber Technology
  • Axle: QR12x148
  • Brake: postmount disc 160
  • BB: Pressfit 92
  • Front derailleur mount: direct mount (high)
  • Cable routing: intern
Front fork
Fox 32 Float SC Performance
  • Step Cast technology
  • Travel: 100 mm
  • Air suspension
  • Remote Lockout
  • Tapered Steerer 1 1/8" - 1 1/2"
  • Axle: QR15x110
  • Brake: postmount disc 6"
Headset
STEVENS MTB Taper 1 1/8"-1 1/2"
  • Upper bearing cup: IS42/28.6
  • Lower bearing cup: IS52/40
Brakes
Shimano Deore XT
  • BR-M8000
  • Hydraulic disc brake
  • Rotor: SM-RT81
  • Rotor size: 180/160 mm
  • Center-Lock

Drivetrain

Crankset
Shimano Deore XT
  • FC-M8000-B2
  • 36-26 T
  • BB type: Pressfit BB92 / Hollowtech II
  • Boost chain line
Derailleur f
Shimano Deore XT
  • FD-M8020-D6
  • Side-Swing
Derailleur r
Shimano Deore XT Shadow+
  • RD-M8000-DGS
  • 11-speed
  • Direct Mount
  • Total capacity: 39 T
Chain
Shimano CN-HG701
Cassette
Shimano Deore XT
  • CS-M8000
  • 11-speed
  • Combination: 11-13-15-17-19-21-24-28-32-37-42 T
Gear ratio
Zoom 1.36 - 7.17 m, 2*11
Gear ratio
Zoom 1.43 - 7.56 m, 2*11

Wheelset

System wheelset
DT Swiss M 1900 Spline
  • ETRTO: 25 x 584 | 25 x 622
Tires
Schwalbe Rocket Ron Evolution
  • Tire size: 57-584 | 622
  • Foldable
  • Addix Speed compound
  • LiteSkin

Cockpit

Handlebar
Oxygen Scorpo
  • Width: 700 mm
  • Backsweep: 7°
  • Rise: 11 mm
  • Clamp: 31.8 mm
Stem
Oxygen Scorpo MTB
  • Handlebar clamp: 31.8 mm
  • Angle: 5°
Saddle
Oxygen Roccia
Seatpost
Oxygen Scorpo MTB
  • Length: 380 mm
  • Diameter: 27.2 mm
  • Insertion depth: min. 100 mm
Shiftlever
Shimano Deore XT
  • SL-M8000 I-Spec II
  • 11-speed
Brakelever
Shimano Deore XT
  • BL-M8000
  • 2 finger

Data

Weight
10.6 kg
Sizes
27,5" - 16" | 29" - 18", 20", 22"
Color(s)
Foggy Grey
Laden weight
115 kg
  • Bike incl. rider, clothing and luggage
 

Test Reports

Logo Bike Freak Magazine: Ein komplettes Bike

Bike Freak Magazine: Ein komplettes Bike

04/2015

The Sonora ES is a complete bike with outstanding ride characteristics in all kinds of terrain. The bike radiates fun!
Logo Bikefreak Magazin: Dauertest sehr gut

Bikefreak Magazin: Dauertest sehr gut

01/2015

The carbon hardtail scored best marks (8 of 9 points) in all categories in Bikefreak Magazine's readers poll. In climbing abilities and nimbleness the Sonora ES was the best bike in test.

Geometry

schematische Skizze eines Fahrrades mit eingezeichneten Geometrie-Messpunkten

Frame height (") 16 18 20 22 Measuring mode
Wheelsize (") 27.5 29 29 29  
Seattube length A1 605 627 642 652 nominal
Seattube length A2 376 427 478 510 bottom bracket to top of seattube
Seattube length A3 341 388 440 470 bottom bracket to top of top tube
Top tube length B 584 584 598 617  
Top tube horizontal C 595 600 620 640 center headtube to center seatpost/seattube
Headtube angle (°) D 69 70 70 70  
Seattube angle (°) E 74.5 74.5 74.5 74.5  
Wheelbase F 1106 1108 1123 1144  
Chainstay length G 425 435 435 435  
Headtube length H 95 95 110 120  
Bottom bracket drop I 53 70 70 70 distance of bottom bracket to hub level
Bottom bracket height K 301 301 301 301 distance to ground
Fork rake L 44 43 43 43  
Slope M 254 227 193 171 top tube level distance front to rear
Wheel radius N 354 371 371 371 incl. tires
Standover height O 714 755 787 811 top of top tube to ground*
Fork build height P 490 490 490 490 incl. lower headset cups
Front wheel - bottom bracket Q 686 676 697 718  
Reach R 433 432 448 466 center bottom bracket to center headtube, horizontal
Stack S 583 605 619 628 center bottom bracket to center headtube, vertical
Stack/Reach (1:x)   1.35 1.4 1.38 1.35 ratio stack to reach
Seatpost diameter   27.2 27.2 27.2 27.2  
Stem length   60 75 90 100 center-center
Stem angle (°)   6 6 6 6  
Handlebar diameter   31.8 31.8 31.8 31.8  
Assembled spacers   8.3 + 5 + 5 + 5 + 5  
Handlebar width   760 760 760 760  
Cranklength   170 175 175 175  
    16 18 20 22  

* measured 1/3 from seattube and 2/3 from headtube

// NEVER STOP