When most bikers think of the Scott Spark, they probably immediately think of XC high-flyer Nino Schurter. But the TR version of the carbon-fibre full-suspension bike can also do trails. The mountain bike with the invisible shock has almost as many fans among touring bikers as the old master himself. We invited the Scott Spark 920 TR for a test to decode the hype.
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The Scott Spark is selling like a flat-screen TV in the Black Friday super sale. In our test of the current top-selling bike, we analyse the success strategy of this model, which is in remarkably high demand.
However, system integration and competition successes can only partly be the reason for the run on Scott's carbon full-suspension bike. In fact, the Spark has established itself as a real brand among cross-country fullys in recent years. Scott now offers countless versions for sale and even the options with more suspension travel, such as our Scott Spark 920 TR test bike, are rarely on sale for long.
You can find the 3 other top-selling MTBs in the test here:
Photo: Max FuchsAs you can see, you can't see anything: the Scott Spark 920 TR hides its shock inside the frame.
The success story of the Scott Spark is inseparable from the Cross-country superstar Nino Schurter connected. What the Swiss rider showed at the wheel of the bike with the integrated shock absorber on the big stage put fans around the world in a buying mood.
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Naturally, the advertising power of the public's favourite radiates to the trail bike version. Ten millimetres more crumple zone at the front make the Spark a desirable ride even off the race track. Two bottle cages and the familiar Twinloc system for compression damping control from the handlebars remain from the XC base. The steering angle can be manipulated by 0.6 degrees via a headset insert.
Photo: Max FuchsWith 130 millimetres of travel at the front, the Scott Spark is set to mutate into a trail bike.Photo: Max FuchsEveryone knows that rally stripes make you faster. The Scott Spark wears the race graphics with dignity.
Scott Spark 920 TR: Details & Price
Range of use: Trail / Tour
Suspension travel: 130 / 120 mm
Wheel size: 29"
Frame material: Carbon
Weight: 13.3 kg
Price: 5499 Euro
Distribution channel: specialised trade
Warranty: 5 years
Maximum system weight: 128 kilos
Special features: integrated shock absorber, steering angle adjustment, two bottle cages
Photo: Max FuchsOops, welding beads on the rear triangle? The Scott Spark 920 TR is made of carbon at the front, but aluminium at the rear. The stiffness values of the rear are remarkably high.Photo: Max FuchsThanks to the SAG indicator and peephole, the suspension travel on the Scott trail bike can be easily checked despite the hidden shock.
Tyres: Schwalbe Wicked Will Evo Addix Soft/Speedgrip Superrace TLE
Seatpost / Stroke: Syncros Duncan / 150 mm
Photo: Max FuchsA practical twist lock opens the cover in the down tube of the Scott Spark.Photo: Max FuchsThanks to the service flap, all adjustment options on the damper remain easily accessible and the service-friendliness is good despite system integration.
The trail bike from Scott in a practical test
The fact that Schurter flies away from the competition downhill is hardly surprising given the good rear suspension function of the Scott Spark. Considering that the 120 millimetre rear triangle was originally developed for racers, the bike is wonderfully sensitive and has high suspension reserves over the roots. However, the very stiff rear aluminium frame triangle quickly becomes a ping-pong ball on rougher terrain. Compared to its peers, the Spark has a mighty long seat tube. Together with the generous stem length, the concept feels bulky on steep downhills.
Photo: Max FuchsNot all riders can cope with the unusual handlebar shape. The stem is long and the handlebars are flat.Photo: Max FuchsA tool is concealed in the rear wheel axle of the Scott Spark.
Due to the front-heavy riding position, the Scott Spark 920 TR loses most of the advantages of the slack head angle. In addition, the sub-optimal performance of the Schwalbe Wicked Will tyre reduces the feeling of safety. Even with the soft rubber compound at the front, the tyre starts to slip early and sets clear limits on full-throttle descents. There is potential for tuning here! The Sram DB8 brake levers make a martial impression on the handlebars, which take some getting used to. We were all the more surprised by their half-hearted deceleration performance.
Photo: Max FuchsLooks wilder than it bites: The affordable Sram DB8 brakes have a crisp pressure point but disappointingly little power.Photo: Max FuchsScott supplies the Spark with a fender on the fork. This protects the rider and shields the bushings from dirt.
Even if Twinlock now seems a little outdated: Remote compression control of the fork and shock at the same time works well. One push of the thumb and the Spark, which is generally not prone to bobbing, becomes an efficiency machine. With a little practice, the three-part lever on the left side of the handlebars is easy to operate. Due to the relatively slack seat angle and the sweeping cockpit, the riding position is elongated. Sporty tours with a high proportion of pedalling are the Scott's preferred area of use. The fast-rolling tyres also suit this. In deep gravel and on damp trail uphills, however, the traction falls by the wayside.
Photo: Max FuchsTwo levers for the suspension, one for the dropper post: after a little familiarisation, the Twinlock system offers real added value for sporty trail bikes.Photo: Max FuchsNot a matter of course in the trail bike category: there is a second bottle cage mount on the seat tube of the Scott Spark.Photo: BIKE-MagazinThe XC genes of the Scott Spark TR can be felt in the stretched seating position.Photo: BIKE-MagazinThe BIKE spider diagram certifies that the Scott Spark TR has a balanced ratio of strengths and weaknesses. The trail bike likes touring more than extreme downhill action.
The new BIKE spider diagram provides an overview of the strengths and weaknesses of the Scott Spark 920 TR. Uphill, playfulness, downhill refers to the riding behaviour: The greater the deflection, the better the suitability. Equipment: is made up of different points such as quality/workmanship, usability, bottle cage volume, saddle lowerability. Propulsion: Influence of total weight and wheel inertia.
Photo: Max FuchsThe Schwalbe Wicked Will is a tame choice for a trail bike. Grip, traction and puncture protection were not convincing in the test. On the other hand, the tyre rolls quickly.Photo: Max FuchsMany components on the mid-range Scott Spark 920 TR come from our own Syncros brand. This includes the aluminium wheelset.
From the test lab
BIKE goes to unprecedented lengths to measure mountain bikes. In the test laboratory, we not only carry out our own geometry measurements, but also determine the lateral stiffness of the frame separately for the front frame triangle including the fork (front) and the rear triangle (rear). The total weight is without pedals, the wheel weight per set with tyres, cassette and brake discs. The following applies to the measured value of the wheel inertia: the lower, the easier it is to accelerate.
Total weight: 13.32 kg without pedals
Weight of wheels: 4808 g
Impeller inertia: 3629 kg x cm²
Photo: Max FuchsA small flap protects the joint from dirt. Not everyone likes the look of the transition from carbon to aluminium on an otherwise stylish bike like the Scott Spar.Photo: Max FuchsThe 920 equipment variant marks the cheapest entry into Scott's trail bike portfolio for 5499 euros.Photo: BIKE-MagazinDespite system integration, the trail bike from Scott is reasonably easy to service.Photo: Max FuchsOn downhill trails, the Scott Spark TR would benefit from a shorter seat tube and more Vario travel.Photo: Max FuchsDespite many cables, the Scott Spark has a tidy look. The cables run past the Vorau through the bar set into the frame.Photo: BIKE-MagazinWhile the Scott Spark TR is rather soft up front, the stiffness values of the aluminium rear triangle are off the scale.Photo: Max FuchsA discreet chainstay protector does a decent job on the Scott trail bike without being too bulky.Photo: Max FuchsIn the hard Speedgrip rubber compound, the Schwalbe Wicked Will has very little rolling resistance on the rear wheel.Photo: BIKE-MagazinBIKE measurement of the geometry on the Scott Spark 920 TR in frame size L.Photo: Max FuchsThere is plenty of space for a bottle cage on the down tube of the Scott Spark. There are three mounting points to choose from.
Conclusion on the Scott Spark 920 TR
In the trail bike category today, there are far more confident downhill bikes than the Scott Spark TR. Its strengths come into their own on tours through varying types of terrain. The forward thrust is high, the character sporty. When the terrain gets steep, the choice of tyres and brakes requires a skilled riding technique. - Jan Timmermann, BIKE test editor
Pro
well-made aluminium-carbon hybrid frame
Chassis and seating position are pleasing on tour
Contra
Provides little safety on steep descents
Tyre and brake selection
Photo: Marketa NavratilovaBIKE test editor Jan Timmermann.
Jan Timmermann is a true mountain biker. His interests cover almost everything from marathon to trail bikes and from street to gravel. True to the motto "life is too short for boring bikes", the technical editor's heart lies above all in bikes with charisma. Jan also runs the fitness centre for our cycling brands.