Jura ES

Weight 13.4 kg
Sizes  27,5" - 16" | 29" - 18", 20", 22"
Frame Aluminium SL 7005 DB
Color(s) Velvet Black

Pricing

recomm. retail price
3 299.00 €

Superb marathon and trail fully.

The new Jura ES provides you with load of directional stability and obstacle-clearing capabilities. And when the trail becomes tricky the standard dropper post is your best friend. Well-proven suspension parts from premium supplier Fox with remote lock-out and 120mm of travel front and rear give you maximum efficiency, fully controlled by the completely new Shimano Deore XT 2x12-speed group.

  • Marathon and trail full-suspension bike with balanced 120 mm Fox chassis
  • Lightweight frame – double butted aluminium 7005
  • Completely new Shimano Deore XT 2x12 groupset
  • Fulcrum Red Metal 500 DB wheels
  • Size specific wheel sizes: 27.5" (16") or 29" (18+20+22")

Technology

Rearshock Development

Diffferent purposes in different terrain require different ride properties. This is why every fully rear triangle receives a specific setup from STEVENS' engineers to meet the respective bike's requirement for optimum performance. Firm for minimum power loss in the marathon with lots of comfort for long distance riding with a linear characteristic curve and mind-soothing reserves for hard hits.

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 fullies, as well as for the trail rocket Sonora and the alloy-hardtails Colorado and Sentiero. 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 Rear Axle Spacing

Since model year 2016 the rear stays of all STEVENS fullies adhere to the new "Boost" or "Plus" standard with 148 mm axle spacing. And there are good reasons for that. Rear wheel stiffness increases by 20 % which is especially beneficial in large 29" wheels. And there is more space for voluminous studded tires to give you more control and fun an the trail.

Hydroforming

Using water or oil pressure aluminium tubes are transformed from their original round shape into their ideal shape determined by STEVENS engineers to perfectly withstand any load without any weight penalty. This means better steering precision on the trail and higher longevity.

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 shift or brake sleeves, Di2 cables or even no sleeves at all - there are the appropriate cover plugs for all of this.

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.

Triple Butted, Double Butted

Meaning a frame tube has three or two different wall thicknesses along its length. Triple butted (TB) is the usual technology with STEVENS high-quality frames.
Tubes with different wall thicknesses are optimally adjusted to certain ways of manufacturing or to withstand specific loads. Where the highest loads occur or where tubes are welded, walls are the thickest. Butted tubes allow frame weight to be lower by several hundred grams.

QR15 Front Thru-Axle

"15" stands for the diameter in millimeters, "QR" for quick release. Combined they are the most useful method to fix the front wheel to the (suspension) fork. With convincing advantages: high stiffness, precise positioning of the brake disc and super-easy handling. So STEVENS specs almost all its mountain bikes and even high-quality trekking bikes, cross bikes and pedelecs with a thru-axle. Additionally, especially with 29" MTBs axle spacing is increased from 100 to 110 mm which makes the design even stiffer.

Smooth Welded

Additional step in welding. The first, rippled weld, typical for aluminium, is covered with a second smoother weld. This not only improves looks but also lowers the risk of notches in this spot, which makes the frames more durable.

Chain Stay Protector

Now you can tackle any downhill ramp without worry: The specially fitted chain stay protector prevents the chain stays of STEVENS carbon fullies from getting damaged by a slapping chain.

Di2-ready

Electronic shifting is already well established in road bikes as well as in mountain bikes next to classic mechanical systems. Impressively fast and reliable gear changes and minimum maintenance pay their dividends not only at the Tour de France, in cyclocross or on the Cross-Country World Cup circuit. That's why STEVENS road bike and MTB frames are "Di2"-ready, meaning they are prepared for an elegant integration of batteries and electric cables (instead of usual wire cables). Even for the classy Alfine gear hub Shimano offers an electronic version.

Equipment

  • einfach
  • erweitert

Chassis

Frame
Aluminium SL 7005 DB
  • O.L.D.: 148 mm
  • Brake: postmount disc 7"
  • BB: Pressfit BB92
  • Front derailleur mount: Direct mount (high)
  • Cable routing: internal
Front fork
Fox 34 Float SC Performance
  • Travel: 120 mm
  • Air suspension
  • Remote Lockout
  • Tapered Steerer 1 1/8" - 1 1/2"
  • O.L.D.: 110 mm
  • Brake: postmount disc 6"
Headset
STEVENS MTB Taper 1 1/8"-1 1/2"
  • Upper bearing cup: ZS44/28.6
  • Lower bearing cup: ZS55/40
Shock absorber
Fox Float DPS Performance Elite
  • Travel: 120 mm
  • Air suspension
  • Remote Lockout
  • Length: 190 mm
  • Shock travel: 51 mm
  • Mounting width: 22.2x8 mm/22.2x8 mm
Brakes
Shimano Deore XT
  • BR-M8100
  • Hydraulic disc brake
  • Rotor: SM-RT70
  • Rotor size: 180/180 mm
  • Center-Lock

Drivetrain

Crankset
Shimano Deore XT
  • FC-M8120-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-M8120-SGS
  • 12-speed
  • Total capacity: 45 T
Chain
Shimano CN-M8100
Cassette
Shimano Deore XT
  • CS-M8100
  • 12-speed
  • Combination: 10-12-14-16-18-21-24-28-32-36-40-45 T
Gear ratio
Zoom 1.28 - 7.96 m, 2*12
Gear ratio
Zoom 1.35 - 8.39 m, 2*12

Wheelset

System wheelset
Fulcrum Red Metal 500 DB
  • Axle: QR15x110/12x148 mm
Tires
Schwalbe Nobby Nic Evolution
  • Tire size: 60-584 | 622
  • Foldable
  • Addix Speedgrip compound
  • SnakeSkin
  • Tubeless Easy

Cockpit

Handlebar
Oxygen Scorpo MTB
  • Width: 760 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
Kind Shock LEV-SI
  • Travel: 100 mm | 125 mm | 150 mm
  • Remote Lockout
  • Length: 350 mm | 400 mm | 450 mm
  • Diameter: 30.9 mm
  • Insertion depth: min. 90 mm (100) | 100 mm (125 + 150)
Shiftlever
Shimano Deore XT
  • SL-M8100 I-Spec EV
  • 12-speed
Brakelever
Shimano Deore XT
  • BL-M8100
  • 2 finger

Data

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

Test Reports

Logo Sportlicher Tourer

Sportlicher Tourer

04/2019

Those who buy a Stevens, usually buy a bike dedicated to speed. This is just what you get with the Jura ES. Great specs with Fox chassis and a wide spectrum of gears.
Logo Kletterfreudiger Tourengefährte mit satter Trail-Lage

Kletterfreudiger Tourengefährte mit satter Trail-Lage

04/2016

You like well-behaved handling and a silky-smooth chassis? You value safe, reliable parts? Then the Jura is your perfect touring and all mountain buddy!
Logo „Sehr gut“ in BIKE

„Sehr gut“ in BIKE

01/2016

Great chassis, high directional stability, very good specs. A well-crafted touring bike despite the somewhat high front-end.
Logo Mountainbike sehr gut

Mountainbike sehr gut

04/2015

Those who are looking for a reliable and safe touring companion will find a true friend in the STEVENS Jura ES. Somewhat heavy but at a really attractive price.

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 592 624 631 653 nominal
Seattube length A2 430 455 500 530 bottom bracket to top of seattube
Seattube length A3 407 432 480 494 bottom bracket to top of top tube
Top tube length B 549 563 589 609  
Top tube horizontal C 580 600 620 640 center headtube to center seatpost/seattube
Headtube angle (°) D 68.5 68.5 68.5 68.5  
Seattube angle (°) E 74 73.8 73.6 73.4 effective, to top of HT
Wheelbase F 1119 1155 1175 1196  
Chainstay length G 430 445 445 445  
Headtube length H 100 100 110 140  
Bottom bracket drop I 18 35 35 35 distance of bottom bracket to hub level
Bottom bracket height K 335 335 335 335 distance to ground
Fork rake L 44 51 51 51  
Slope M 168 181 149 150 top tube level distance front to rear
Wheel radius N 353 370 370 370 incl. tires
Standover height O 761 773 778 780 top of top tube to ground*
Fork build height P 508 521 521 521 incl. lower headset cups
Front wheel - bottom bracket Q 690 712 732 753  
Reach R 424 435 452 462 center bottom bracket to center headtube, horizontal
Stack S 569 595 605 634 center bottom bracket to center headtube, vertical
Stack/Reach (1:x)   1.34 1.37 1.34 1.37 ratio stack to reach
Seatpost diameter   30.9 30.9 30.9 30.9  
Stem length   70 80 80 90 center-center
Stem angle (°)   5 5 5 5  
Handlebar diameter   31.8 31.8 31.8 31.8  
Assembled spacers   7.3 + 5 + 5 + 5 + 10  
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