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Sonora SL

Peso 8.7kg
Taglie 27.5": 16" | 29": 18", 20", 22"
Telaio Carbon SL HMF
Colore(i) Team Carbon

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The Sonora SL Di2 embodies the vast knowledge and feedback we've collected from our racers. That's why it features incredibly stiff chain stays yet vertically compliant seat stays. That's also why the frame weighs less than 1kg. That why no components are better fitting than Shimano's XTR and the new super-light Step Cast suspension fork from Fox.

  • Super-stiff, yet comfortable carbon hardtail - frame below 1000 grams (2.2 lbs)
  • Full Shimano XTR groupset
  • Syntace pro cockpit including carbon seat post
  • Lightweight, yet stiff wheels thanks to boost axle standard
  • 16" version w/ agile 27.5" wheels

Technology

Boost-Standard Fork

What is right for the rear wheel is even more important at the front wheel - because steering precision matters. This is why STEVENS uses suspension forks and hubs with extra wide axle spacing for all its 29er fullies, the Whaka+ ES and the trail rocket Sonora SL. These 110mm of axle spacing are called "Boost" or "Plus" and stand for lots of added lateral stiffness plus space for extra wide studded tires.

Boost-Standard am Hinterbau

Seit dem Modelljahr 2016 entsprechen die Hinterbauten aller STEVENS-Fullys dem neuen „Boost“- oder „Plus“-Achsmaß mit 148 mm Einbaubreite – und das hat gute Gründe: Die Seitensteifigkeit des Hinterrades erhöht sich um ca. 20%, wovon vor allem die großen 29er-Laufräder profitieren. Und es wird Platz geschaffen für voluminöse Stollenreifen, die auf dem Trail mit besserer Performance und mehr Fahrspaß punkten.

Double Chamber Technology

In order to better handle the applied loads, frame main tubes and fork legs are devided into two chambers by an inner reinforcement rib. Riders of the top road bike model Ventoux and carbon MTB hardtail Sonora will benefit from this feature.

Side Swing front derailleur

Side Swing Umwerfer
Side Swing front derailleur

Our top supplier Shimano made a great innovation here. One that works reliably on any terrain when changing gears at the front has to be fast and precise - be it in competitions or on technical trails. Thanks to its upright axes the front derailleur cage swings outward and forward at the same time, and due to its direct actuation from the downtube only needs minimum operating force.

High Modulus Carbon Fibers

Only the very best materials are used for the highest quality STEVENS carbon frames - so called high modulus carbon fibres. They offer a perfect combination of maximum toughness and elasticity. This way they provide maximum lateral stiffness for best forward drive and a high amount of comfort. Result: incredibly light and enormously stiff frames.

Versatile cable routing

We keep the cable routing on our bikes as versatile as possible so you can ride your bike like you want to. There are wide and therefore easy to reach cable ports in the frame to insert either one or two cables or none at all - there are cover plugs for any of these configurations. This is also very convenient for retrofitting a dropper post.

Di2-ready

Elektronische Schaltungen haben sich am Rennrad und am Mountainbike neben den klassischen mechanischen Schaltungen längst etabliert. Bestechend schnelle und zuverlässige Gangwechsel bei minimalem Wartungsaufwand machen sich eben nicht nur bei der Tour de France oder im Cyclocross-Worldcup oder auf den Cross Country-Weltcup-Strecken bezahlt. Und genau darum sind viele Rennrad- und Mountainbikerahmen von STEVENS bereits „Di2-ready“ – sprich: für die nahtlose Integration von Akkus und Kabeln (anstelle der herkömmlichen Seilzüge) vorbereitet. Und selbst für seine edle Alfine-Nabenschaltung bietet Shimano eine Elektronik-Version an.

Tapered Steerer / Tapered Headtube

Fork shaft (or steerer tube) and head tube are tapered, meaning their diameter increases from top to bottom resulting in a conical shape. The diameter needs to be bigger at the bottom since this is where higher stress is applied - especially when the bike has a higher total weight due to luggage or an e-drive and battery. Also tapered steerers feature a smoother force transfer (like forces caused by hard braking) to the downtube than forks with a continuous 1 1/8" diameter.

QR15-Steckachse vorn

Die „15“ steht für den Achsdurchmesser, das „QR“ für „Quick Release“, also Schnellspanner – und zusammen für die funktionellste Methode, das Vorderrad in der (Feder-)Gabel zu verankern. Die Vorteile sind bestechend: hohe Steifigkeit, präzise Bremsscheiben-Positionierung und kinderleichte Bedienung. Also stattet STEVENS fast alle Mountainbikes und sogar die hochwertigsten Trekking-, Crossbikes und Pedelecs damit aus. Vor allem bei den 29“-MTBs wird sogar noch die Einbaubreite erhöht – von 100 auf 110 mm, das ist noch steifer.

E-thru Rear Axle

This abbreviation stands for Shimano's thru-axle standard for MTB rear stays that integrates a thread into the dropout. On the majority of STEVENS mountain bikes a 12mm thru axle provides outstanding rear triangle stiffness and utmost precision in brake disc alignement to prevent annoying brake rub.

Step-Cast-Federgabel

Systemlaufräder

Mit dieser Technologie geht unser Fahrwerkspartner Fox noch näher ans (Gewichts-)Limit: Oben stehen die Step-Cast-Gabelbeine noch enger zusammen, unten schafft eine Aussparung Platz für Bremsscheibe und Speichen. Das ergibt die leichteste Race-Federgabel mit Steifigkeit und Lenkpräzision auf Weltcup-Sieger-Niveau.

Specifiche

  • einfach
  • erweitert

Telaio

Telaio
Carbon SL HMF
  • Double Chamber Technology
  • Axle: QR12x148
  • Brake: postmount disc 160
  • BB: Pressfit 92
  • Front derailleur mount: direct mount (high)
  • Cable routing: intern
Forcella Frontale
Fox 32 Float SC Factory
  • Step Cast technology
  • Travel: 100mm
  • Air suspension
  • Remote Lockout
  • Kashima coating
  • Tapered Steerer 1 1/8" - 1 1/2"
  • Axle: QR15x110
  • Brake: postmount disc 6"
Serie Sterzo
STEVENS MTB Taper 1 1/8" - 1 1/2"
  • Upper bearing cup: IS42/28.6
  • Lower bearing cup: IS52/40
Freni
Shimano XTR
  • BR-M9000
  • Hydraulic disc brake
  • Rotor: SM-RT81
  • Rotor size: 180/160mm
  • Center-Lock
  • 2 finger

Trasmissione

Pedivella
Shimano XTR
  • FC-M9020-B, 36-26 T
  • BB type: Pressfit 92 / Hollowtech II
  • Boost chain line
Deragliatore f
Shimano XTR
  • FD-M9020-D6
  • Side-Swing
Catena
Shimano CN-HG901
Deragliatore r
Shimano XTR Shadow+
  • RD-M9000-DGS
  • 11-speed
  • Direct Mount
  • Total capacity: 37 T
Cassetta
Shimano XTR
  • CS-M9001
  • 11-speed
  • Combination: 11-13-15-17-19-21-24-27-31-35-40 T
Gamma Marcie
Zoom 1.52 - 7.50 m, 2*11 (27.5")
Gamma Marcie
Zoom 1.60 - 7.91 m, 2*11 (29")

Set Ruote

System wheelset
DT Swiss XR 1501 Spline One
Copertoni
Schwalbe Rocket Ron Evolution|Thunder Burt Evolution
  • Tire size: 54-584 | 622
  • Foldable
  • PaceStar compound
  • Lite-Skin

Postazione di guida

Manubrio
Syntace Vector Carbon High10
  • Width: 760mm
  • Backsweep: 12°
  • Rise: 10mm
  • Clamp: 31.8mm
Attacco
Syntace Force 109
  • Handlebar clamp: 31.8mm
  • Angle: 6°
Sella
Ergon SM30 Pro
Reggisella
Syntace P6 Carbon HiFlex
  • Length: 400mm
  • Diameter: 27.2mm
  • Insertion depth min. 90mm
Shiftlever
Shimano XTR
  • SL-M9000
Leva del freno
Shimano XTR
  • BL-M9000
  • 2 finger

Dati

Peso
8.7kg
Taglie
27.5": 16" | 29": 18", 20", 22"
Colore(i)
Team Carbon
Laden weight
115kg
  • Bike incl. rider, clothing and luggage
 

Risultati Test

Logo Stimmiges, sehr gutes Touren-Bike Für Rennfahrer und viel Fahrspaß

Stimmiges, sehr gutes Touren-Bike Für Rennfahrer und viel Fahrspaß

11/2015

With its eager forward drive the Sonora SL is the perfect choice for racers. For anyone else it's a lot of fun to ride due to its light weight, high amount of comfort and stiffness, agility and stability. We can't imagine anything much better.
Logo Reinrassiges Racehardtail

Reinrassiges Racehardtail

08/2015

The Sonora SL is a thoroughbred race hardtail that delivers lots of fun and offers true innovation with the Shimano XTR Di2 group.
Logo Mountainbike Testsieger

Mountainbike Testsieger

01/2015

The Sonora may not be outstanding in any specific category is literally the best race mountain bike in this test: ascetic, fast, made to win.

Geometria

schematische Skizze eines Fahrrades mit eingezeichneten Geometrie-Messpunkten

Altezza Telaio (")   16 18 20 22 Metodo di misura
Wheelsize (") 27.5 29 29 29  
Lunghezza tubo sella A1 605 627 642 652 nominale
Lunghezza tubo sella A2 376 427 478 510 dal mov.centrale a fine tubo sella
Lunghezza tubo sella A3 341 388 440 470 dal mov.centrale al tubo orizzontale
Lunghezza top tube B 584 584 598 617  
Top tube orizzontale C 595 600 620 640 dal centro tubo sterzo al centro tubo sella
Angolo seriesterzo (°) D 69 70 70 70  
Inclinazione tubo sella (°) E 74.5 74.5 74.5 74.5  
Ruota ferma F 1106 1108 1123 1144  
Lunghezza batti catena G 425 435 435 435  
Lunghezza seriesterzo H 95 95 110 120  
Inclinazione movimento centrale I 53 70 70 70 distanza dal mov.centrale al livello centro mozzi
Altezza movimento centrale K 301 301 301 301 distanza dal terreno
Inclinazione forcella L 44 43 43 43  
Inclinazione M 254 227 193 171 distanza del livello tubo orizzontale (fronte - retro)
Raggio ruota N 354 371 371 371 incl. Copertura
Altezza regolabile O 714 755 787 811 dal top del tubo orizzontale al terreno*
Altezza gambo forcella P 490 490 490 490 incl. Base tappo dello sterzo
Distanziale per movimento centrale - ruota anteriore Q 686 676 697 718  
Portata R 433 432 448 466 dal centro mov.centrale al centro serie sterzo, in orizzontale
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
Diametro reggisella   27.2 27.2 27.2 27.2  
Lunghezza attacco   60 75 90 100 centro-centro
Angolo attacco (°)   6 6 6 6  
Diamentro manubrio   31.8 31.8 31.8 31.8  
Set Spaziatori   8.3 + 5 + 5 + 5 + 5  
Larghezza manubrio   760 760 760 760  
Lunghezza pedivella   170 175 175 175  
    16 18 20 22  

* Valore misurato di 1/3 staccato dal reggisella

// NEVER STOP