Sonora

Weight 12.5 kg
Frame Carbon SL HMF
Color(s) Mint Black
Sizes 29" - 16", 18", 20", 22"

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 Sram's reliable SX/NX Eagle 1x12-speed drivetrain to powerful hydraulic 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
  • New RockShox SID SL fork with approx. 750 g weight saving
  • SRAM NX/SX Eagle DUB 1x12-speed drivetrain
  • Powerful Shimano BR-MT410 disc brakes
  • 740 mm handlebar width for maximum control

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 SID SL
  • Travel: 100 mm
  • Air suspension
  • Tapered Steerer 1 1/8" - 1.5"
  • O.L.D.: 110 mm
  • 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
Front brake
SRAM Level T-A1
  • Hydraulic disc brake
Rear brake
SRAM Level T-A1
  • Hydraulic disc brake
Brake disc front
SRAM Centerline A2
  • Rotor size: 180 mm
  • Center Lock
Brake disc rear
SRAM Centerline A2
  • Rotor size: 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 SX Eagle
  • RD-SX-1-B1
  • 12-speed
  • Cage Lock™
  • X-Actuation™
  • 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 r
Shimano FH-MT400-B
  • Axle: QR12x148 mm
Hubs f
Shimano HB-MT400-B
  • Axle: QR15x110 mm
Rims
Oxygen RM-23 Disc
  • ETRTO: 23 x 622
Tire front
Schwalbe Racing Ray
  • Tire size: 57-622
  • Foldable
  • Addix compound
  • TwinSkin
Tire rear
Schwalbe Racing Ralph
  • Tire size: 57-622
  • Foldable
  • Addix compound
  • TwinSkin

Cockpit

Handlebar
Oxygen Scorpo MTB
  • Width: 700 mm
  • Backsweep: 9°
  • Rise: 15 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 right
SRAM NX Eagle Trigger
  • 12-speed
Brakelever
SRAM Level T
  • DirectLink™

Data

Weight
12.5 kg
Laden weight
115 kg
Color(s)
Mint Black
Sizes
29" - 16", 18", 20", 22"
 

Due to problems in the delivery chains caused by Covid 19, the bike can be delivered with modifications.
The delivery dates specified by your STEVENS dealer may also be delayed.

Geometry

schematische Skizze eines Fahrrades mit eingezeichneten Geometrie-Messpunkten

Frame height (")   16 18 20 22 Measuring mode
Seattube length A1 630 635 651 661 nominal
Seattube length A2 399 445 483 523 bottom bracket to top of seattube
Seattube length A3 347 393 432 472 bottom bracket to top of top tube
Top tube length B 558 574 596 619  
Top tube horizontal C 575 600 625 650 center headtube to center seatpost/seattube
Headtube angle (°) D 69,5 69,5 69,5 69,5  
Seattube angle (°) E 73,7 73,7 73,7 73,7  
Wheelbase F 1087 1113 1139 1165  
Chainstay length G 435 435 435 435  
Headtube length H 95 100 115 125  
Bottom bracket drop I 60 60 60 60 distance of bottom bracket to hub level*
Bottom bracket height K 310 310 310 310 distance to ground*
Fork rake L 51 51 51 51  
Slope M 255 216 191 164 top tube level distance front to rear
Wheel radius front N1 372 372 372 372 bereift
Wheel radius rear N2 372 372 372 372 bereift
Standover height O 747 779 806 835 top of top tube to ground**
Fork build height P 506 506 506 506 incl. lower headset cups*
Front wheel - bottom bracket Q 659 684 710 736  
Reach R 398 421 442 465 center bottom bracket to center headtube, horizontal
Stack S 605 610 625 635 center bottom bracket to center headtube, vertical
Stack/Reach (1:x)   1,52 1,45 1,41 1,37 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   3*5 3*5 3*5 3*5  
Handlebar width   740 740 740 740  
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 100 mm ahead of bottom bracket, fork and rearshock not compressed (static)

// NEVER STOP