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Conway Xyron ST 10.0 testPowerful all-mountain e-bike with Bosch motor

Florentin Vesenbeckh

 · 05.02.2025

The new Xyron ST from Conway has a sporty look and wants to impress off-road. Thanks to the Bosch CX with 800 battery, it has plenty of range on board.
Photo: Max Fuchs
Conway is stepping on the gas: the 2025 E-MTB Xyron ST comes with a lightweight full carbon chassis, really modern geometry and a new Bosch motor. The robust equipment turns the bike into a sporty all-rounder. We tested the top-of-the-range Xyron ST 10.0 model.
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The frame is the centrepiece of every mountain bike. And the new Conway Xyron ST all-mountain e-bike is a real success. The main frame and rear triangle are made of carbon and the weight of the chassis is high.

Although the 23.5 kilos of the complete bike are only midfield in a high-end comparison, Conway achieves this with a thick 800 Bosch battery, which is also quick to change, robust gravity tyres and rather heavy add-on parts. The full carbon chassis of the Conway Xyron ST therefore has the potential to become an even lighter bike.

The new Xyron ST from Conway has a sporty look and wants to impress off-road. Thanks to the Bosch CX with 800 battery, it has plenty of range on board.Photo: Max FuchsThe new Xyron ST from Conway has a sporty look and wants to impress off-road. Thanks to the Bosch CX with 800 battery, it has plenty of range on board.

In the video: BIKE checks out the Conway Xyron ST 10.0

The facts about the Conway Xyron ST 10.0

  • Motor: Bosch Performance Line CX, 85 Nm max. torque
  • Battery: 800 Wh (removable)
  • Frame material: Carbon
  • Suspension travel: 150/150 mm
  • Wheel size: 29 inch
  • Frame sizes: S, M, L, XL
  • Price: 7999,95 Euro
  • Weight: 23.52 kg (test bike in size L, BIKE measurement)
  • Max. System weight: 140 kg
  • Warranty: 3 years
The large Bosch battery with 800 watt hours gives the bike a long range. The battery can be easily removed, but did not sit rattle-free in our test bike.Photo: Max FuchsThe large Bosch battery with 800 watt hours gives the bike a long range. The battery can be easily removed, but did not sit rattle-free in our test bike.

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The e-bike drive

Conway has also taken the new edition of the Performance CX from Bosch as an opportunity to reorganise its e-MTB range. The power e-bikes are designed for the new CX drive and, as usual with Conway, have convenient battery removal. All bikes come with the large Powertube 800, but the lighter 600 battery can also be fitted in the down tube as an option.

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>> Click here for the detailed test of the new Bosch Performance Line CX

Quieter, slightly lighter, even smoother and rattle-free: that's the new Bosch Performance CX.Photo: Max FuchsQuieter, slightly lighter, even smoother and rattle-free: that's the new Bosch Performance CX.The battery is located under a cover that can be removed without tools. The battery is secured with a lock.Photo: Max FuchsThe battery is located under a cover that can be removed without tools. The battery is secured with a lock.The system controller sits on an adapter plate in the top tube. This prepares the chassis for a future generation of displays.Photo: Max FuchsThe system controller sits on an adapter plate in the top tube. This prepares the chassis for a future generation of displays.The mini-remote works wirelessly, which saves annoying cable clutter.Photo: Max FuchsThe mini-remote works wirelessly, which saves annoying cable clutter.

The geometry

The Conway Xyron ST has a rather sporty design. The steering angle is rather slack for an all-mountain bike and the wheelbase is long. The steep seat angle is also striking. The long chainstays swing the pendulum in the direction of riding stability and balanced weight distribution. All in all, riding stability takes precedence over ultimate agility.

Flat headset end, flat handlebars: the cockpit sits low despite two centimetres of spacer under the stem. If you like it higher, go for riser handlebars.Photo: Max FuchsFlat headset end, flat handlebars: the cockpit sits low despite two centimetres of spacer under the stem. If you like it higher, go for riser handlebars.

BIKE measurements at a glance (frame size L)

  • Seat tube length: 396 mm
  • Wheelbase: 1280 mm
  • Reach: 478 mm
  • Stack: 645 mm
  • Steering angle: 64 degrees
  • Seat angle: 77.5 degrees
  • Chainstay length: 454 mm

The equipment of the Conway Xyron ST 10.0

Solid bikes with good equipment at a fair price. These are characteristics that we associate with Conway. When we first looked at the Xyron ST 10.0, we were taken aback. Affordable H-1900 wheels from DT Swiss, S1000 cassette from Sram's entry-level range, solid aluminium parts and an upper mid-range chassis and drivetrain.

At a price of 8,000 euros, this does not exactly inspire enthusiasm and is not a highlight compared to the competition. Nevertheless, the new Xyron ST is slightly cheaper than the boutique competitors in our large high-end comparison.

Robust, super grippy and comfortable: the Schwalbe Albert Gravity tyres provide downhill a lot of safety. There's even a super-soft compound at the front.Photo: Max FuchsRobust, super grippy and comfortable: the Schwalbe Albert Gravity tyres provide downhill a lot of safety. There's even a super-soft compound at the front.

Good: The equipment was chosen appropriately and sets accents in the right places. Really powerful brakes and super grippy tyres with good puncture protection provide a lot of riding safety off-road. Both weigh a little on the scales.

  • Fork / shock: Rockshox Lyrik Select+ / Superdeluxe Select+
  • Gear system: Sram GX Eagle Transmission
  • Brakes: Magura Gustav Pro / 203/203 mm
  • Wheels: DT Swiss H 1900
  • Tyres: Schwalbe Albert Gravity Radial Addix Ultra Soft/Soft, 29 x 2.50
  • Special features: The Powertube 600 optionally fits into the down tube
Magura's Gustav Pro packs a real punch and should be particularly carefree and robust with its thick discs. However, the stoppers are not light.Photo: Max FuchsMagura's Gustav Pro packs a real punch and should be particularly carefree and robust with its thick discs. However, the stoppers are not light.The GX Transmission from Sram changes gears wirelessly via radio. There is a separate battery on the rear derailleur, which has to be charged independently. Advantage: Shifting also works when the e-bike battery is empty.Photo: Max FuchsThe GX Transmission from Sram changes gears wirelessly via radio. There is a separate battery on the rear derailleur, which has to be charged independently. Advantage: Shifting also works when the e-bike battery is empty.The Lyrik Select+ from Rockshox already has the high-quality damping cartridge from the Ultimate series, but does without the "Buttercup" technology, which is designed to filter out small vibrations.Photo: Max FuchsThe Lyrik Select+ from Rockshox already has the high-quality damping cartridge from the Ultimate series, but does without the "Buttercup" technology, which is designed to filter out small vibrations.

Practical test: How the Conway Xyron ST 10.0

Terrain skills? Check! We were also able to tackle the challenging trails in the Eberbach bike area with the Xyron ST from Conway.Photo: Max FuchsTerrain skills? Check! We were also able to tackle the challenging trails in the Eberbach bike area with the Xyron ST from Conway.

The progressive geometry is immediately noticeable when getting on the bike. The steep seat angle places the rider far forward on the bike. This feeling is further emphasised by the low cockpit. This puts a lot of pressure on the wrists on long flat sections, which is not ideal for moderate tours. On the other hand, the bike really scores points on difficult off-road uphills, as the front willingly follows the rider's steering impulses. Thanks to the smooth Bosch motor and extremely high-traction Schwalbe tyres, the Xyron climbs with confidence.

The bike is more at home on technical uphills than on a leisurely ride around the lake.Photo: Max FuchsThe bike is more at home on technical uphills than on a leisurely ride around the lake.

When going downhill, you have to know how to tame the rather low front end. When things get steep, you don't stand as confidently behind the cockpit as with some other candidates - but that's a matter of taste. There were also pros and cons among our test team. The flat front gives the front wheel a lot of pressure, which provides good guidance and direct handling in flat corners. In addition, the bike has real potential on downhills. Top tyres, solid suspension and a generous wheelbase provide a lot of confidence on fast straights.

The intuitive handling gives you the confidence to take off with the Xyron. However, the character of the bike is more confident than playful.Photo: Max FuchsThe intuitive handling gives you the confidence to take off with the Xyron. However, the character of the bike is more confident than playful.

It is better to take the direct line than to make quick hooks. This is because, in addition to the geometry, the heavy wheels also bring with them a certain inertia. The suspension also specialises in sensitive handling rather than sporty support. The Schwalbe Albert Gravity tyres with the new radial carcass provide plenty of traction, a firm ride and good puncture protection. Although they add quite a bit of weight, they are also a noticeable advantage off-road.

The Conway Xyron ST 10.0 sits firmly on the trail and offers plenty of traction.Photo: Max FuchsThe Conway Xyron ST 10.0 sits firmly on the trail and offers plenty of traction.

We were less impressed by the background noise on the trail. It is true that the new Bosch motor has shed its rattling. But on our test bike, the battery rattled noticeably in the down tube. Too bad: The bike only comes with a 170 mm dropper post. Although the seat tube is extremely short, which would create space for a long dropper post and therefore plenty of freedom of movement. Exciting: If you're after tough trails, the Xyron LT is also the racy enduro brother of our test bike in the Conway portfolio. Then with a full 170 mm of suspension travel.

BIKE rating of the Conway Xyron ST 10.0

Strengths

  • High level of driving safety and comfort
  • confident climbing behaviour
  • top range and exchangeable battery
  • Lightweight frame

Weaknesses

  • rattles on the trail
  • Equipment not very glamorous
  • Heavy wheels
Balanced riding characteristics make the Xyron a successful trail all-rounder. The range and climbing ability stand out positively.Photo: BIKE MagazinBalanced riding characteristics make the Xyron a successful trail all-rounder. The range and climbing ability stand out positively.The Conway Xyron ST 10.0 scored 2.2 in the BIKE test.Photo: BIKE MagazinThe Conway Xyron ST 10.0 scored 2.2 in the BIKE test.

The BIKE conclusion

The Conway Xyron ST has a surprisingly sporty design and is more of an all-rounder than a good everyday all-rounder. A real all-mountain bike for trails and mountains. The lightweight chassis and the enormous range with the new Bosch package are top features. The progressive riding position with a flat cockpit will certainly not appeal to everyone. - Florentin Vesenbeckh, BIKE editor
Test editor Florentin Vesenbeck puts the high-end e-bikes through their paces in the practical test.Photo: Max FuchsTest editor Florentin Vesenbeck puts the high-end e-bikes through their paces in the practical test.
Florentin Vesenbeckh

Florentin Vesenbeckh has been on a mountain bike since he was ten years old. Even on his very first tour, he focussed on single trails - and even after more than 30 years in the saddle of an MTB, these are still the quintessence of biking for him. He spent his youth competing in various bike disciplines and later his cycling career was characterised by years as a riding technique coach. Professionally, the experienced test editor now focusses on e-mountainbikes. In recent years, the qualified sports scientist and trained journalist has tested over 300 bikes and more than 40 different motor systems in the laboratory and in practice.

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