Sonora

Weight 12.0 kg
Frame Carbon SL HMF
Color(s) Carbon Venom Green
Sizes 29" - 16", 18", 20", 22"

Pricing

recomm. retail price
2 049.00 Fr.

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 Sram's reliable SX/NX Eagle 1x12-speed drivetrain to powerful Shimano BR-MT410 disc brakes and our proven Oxygen cockpit. In short: The 12.0kg racer Sonora.

  • Carbon hardtail with first-class frame details and World Cup worthy handling
  • High-value entry to marathon/cross-country racing
  • Sram NX/SX Eagle DUB 1x12-speed drivetrain
  • Powerful Shimano BR-MT410 disc brakes
  • 29" wheels throughout all 4 frame sizes

Equipment

Details

Chassis

Frame
Carbon SL HMF
  • Double Chamber Technology
  • O.L.D.: 148 mm
  • Brake: postmount disc 6"
  • BB: Pressfit 92
  • Front derailleur mount: direct mount (high)
  • Cable routing: internal
Front fork
Rock Shox Recon Silver RL R Air
  • Travel: 100 mm
  • Air suspension
  • Remote Lockout
  • Tapered Steerer 1 1/8" - 1 1/2"
  • O.L.D.: 110 mm
  • Brake: postmount disc 6"
Headset
STEVENS Race Taper 1 1/8"-1 1/2"
  • Upper bearing cup: IS42/28.6
  • Lower bearing cup: IS52/40
Brakes
Shimano BR-MT410
  • Hydraulic disc brake
  • Rotor: SM-RT54
  • Rotor size: 180/160 mm
  • Center-Lock

Drivetrain

Crankset
Sram SX Eagle B DUB
  • 34 T
  • BB type: Press Fit MTB 89/92 mm / 24 mm
  • Boost chain line
Derailleur r
Sram NX Eagle
  • 12-speed
  • Type-3 Roller Bearing Clutch™
  • Cage Lock™
  • Total capacity: 40 T
Chain
Sram SX Eagle
Cassette
Sram PG 1210 Eagle
  • 12-speed
  • Combination: 11-13-15-17-19-22-25-28-32-36-42-50 T

Wheelset

Hubs
Shimano MT400-B
  • Axle: QR15x110/12x148 mm
Rims
Oxygen PRO-D X23
  • ETRTO: 23 x 622
Tires
Schwalbe Rocket Ron Performance
  • Tire size: 57-622
  • Foldable
  • Addix compound
  • LiteSkin

Cockpit

Handlebar
Oxygen Scorpo MTB
  • 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: 30.9 mm
  • Insertion depth: min. 100 mm
Shiftlever
Sram NX Eagle Trigger
  • 12-speed
Brakelever
Shimano BL-MT401
  • 2 finger
  • Aluminium lever

Data

Weight
12.0 kg
Laden weight
115 kg
  • Bike incl. rider, clothing and luggage
Color(s)
Carbon Venom Green
Sizes
29" - 16", 18", 20", 22"
 

Geometry

schematische Skizze eines Fahrrades mit eingezeichneten Geometrie-Messpunkten

Frame height (")   16 18 20 22 Measuring mode
Wheelsize (") 29 29 29 29  
Seattube length A1 624 629 644 661 nominal
Seattube length A2 396 420 480 520 bottom bracket to top of seattube
Seattube length A3 337 386 423 470 bottom bracket to top of top tube
Top tube length B 552 574 596 619  
Top tube horizontal C 573 598 623 648 center headtube to center seatpost/seattube
Headtube angle (°) D 70 70 70 70  
Seattube angle (°) E 74,5 74,5 74,5 74,5  
Wheelbase F 1075 1100 1127 1152  
Chainstay length G 435 435 435 435  
Headtube length H 95 100 115 125  
Bottom bracket drop I 65 65 65 65 distance of bottom bracket to hub level*
Bottom bracket height K 306 306 306 306 distance to ground*
Fork rake L 44 44 44 44  
Slope M 259 219 194 167 top tube level distance front to rear
Wheel radius N 371 371 371 371 incl. tires
Standover height O 734 766 795 826 top of top tube to ground**
Fork build height P 490 490 490 490 incl. lower headset cups*
Front wheel - bottom bracket Q 648 674 700 725  
Reach R 405 428 449 472 center bottom bracket to center headtube, horizontal
Stack S 601 606 620 629 center bottom bracket to center headtube, vertical
Stack/Reach (1:x)   1,48 1,40 1,38 1,35 ratio stack to reach
Seatpost diameter   30,9 30,9 30,9 30,9  
Stem length   70 80 90 100 center-center
Stem angle (°)   5 5 5 5  
Handlebar diameter   31,8 31,8 31,8 31,8  
Assembled spacers   8.3 + 5 + 5 + 5 + 10  
Handlebar width   700,0 700,0 700,0 700,0  
Cranklength   170 175 175 175  
    16 18 20 22  

* Values measured with rider on board and slightly compressed front fork / rearshock (regular riding position)

** measured 1/3 from seattube and 2/3 from headtube, fork and rearshock not compressed (static)

// NEVER STOP