Rock Machine Avalanche E50R

ROCK MACHINE Vyöry E50R – Conquer terrain with electric assistance

The ROCK MACHINE Vyöry E50R is an e-fatbike that brings the fun and power of electric-assisted riding within everyone's reach. With a sturdy Fat Fun frame, a powerful Shimano EP6 motor, and top-notch equipment, the Vyöry E50R rides effortlessly in snow, mud, or rocky trails. This bike is made for those who are not afraid of challenging terrain.

Note the 12-month interest-free payment option through Resurs Bank!

Efficient electrical system

The Shimano EP6 motor delivers an impressive 85Nm of torque and 500W of peak power to tackle hills and challenging climbs with ease. The range is up to 120km, and the Shimano 504Wh battery keeps you going for longer adventures. The fast 4A charger makes it easy to recharge for your next trip.

Smooth and reliable driving

The Shimano CUES 1x9 drivetrain offers a wide gear range (11-46T) and ensures precise and reliable gear shifting even in challenging conditions. Shimano MT200 hydraulic disc brakes stop the momentum effectively both on descents and during hard braking.

Grip, comfort and control

Maxxis Minion 26x4.80 tires provide excellent grip, load capacity and ride comfort even on difficult surfaces. If you prefer, you can choose WTB Bailiff 26x4.80 tires, which bring more options for mountain biking. Tubeless-ready Sunringle MULEFÜT 80SL wheels are designed to withstand heavy use and improve the riding experience.

Durable and versatile construction

The bike's lightweight yet strong hydroformed aluminum frame is designed for demanding use. The frame's low center of gravity and internal cable routing make for a controlled and clean ride. The Alloy Fat Bike front fork provides stability and confidence on all trails.

The ROCK MACHINE Vyöry E50R is the perfect choice for those who want the fun, power, and reliability of an electric fat bike all in one.

Experience electric-assisted freedom – jump in the saddle and conquer the trails!

Recommended price: €3999.00

Specifications

Electrical system

• Motor: Shimano Steps EP6, 36V, 250W, 85 Nm, Auto Shift compatible
• Assistance levels: Boost 400%, Trail 180%, Eco 60%
• Power: 250w, peak power 500w
• Range: Up to 120 km
• Torque: Max. 85 Nm (400%)
• Battery: Shimano BT-N605, 504 Wh, integrated
• Charger: Shimano E8004, 4A
• Display: Shimano SC-EN500, Clamp Band

Frame and front fork

• Frame: Aluminum Al-6061 T6, Fat Fun Geometry, Shark Spine EVO, Semi-integrated battery
  • 4.8" tires compatible
  • Tapered head tube
  • Internal cable routing
  • Kickstand and lift post ready
• Front fork: Aluminum, Fatbike specific
• Headset: ACROS AZX-582, ZS44/28.6 | ZS56/40, BlockLock 135°

Gearing

• Gear range: 1x9, 11-46T (418%)
• Shifter: Shimano CUES SL-U4010 RapidFire Plus, 9-speed
• Rear derailleur: Shimano CUES RD-U4000 GS
• Crankset: ONE1 ET39-F40-SHP80-L/R, 34T
• Derailleur: Shimano CS-LG300-9, 11-46T
• Chain: Shimano CN-LG500

Brakes

• Front brake: Shimano MT200, 180 mm disc (SM-RT26)
• Rear brake: Shimano MT200, 180 mm disc (SM-RT26)

Wheels and tires

• Discs:
  • Sunringle MULEFÜT 80SL or WTB Fatbike Tubeless System
• Tires:
  • Front: Maxxis Minion FBF Exo TR 26x4.80 or WTB Bailiff 26x4.80
  • Rear: Maxxis Minion FBR Exo TR 26x4.80 or WTB Bailiff 26x4.80

Control devices

• Handlebar: ONE1 MAS-D61808, aluminum, 31.8 mm, ±15°
• Handlebar: ONE1 Alloy MTB AL-325BT, 6° upsweep, 9° backsweep, 25 mm rise, 720 mm width, 31.8 mm
• Grips: Herrmans Ergo

Seat

• Saddle: WTB Koda Sport
• Seat post: ONE1 Alloy SP C207, 30.9 mm

Pedals

• Steel pedals, with reflectors