The fat man of the Beskids. A fatbike featuring a Shimano Steps E7000 motor and a 504 Wh integrated battery to rush into outdoor adventures unavailable to regular bikes. A long range of up to 120 km. Fabulous rollover thanks to the 26“ wheels with 4.8“ balloon tires that do not fear mud, sand, or snow. Total energy in rough terrain, and comfort rates delivered by the top-priced fulls.
  • NEW generation frame with Fat Fun Geometry, Fat bike specific fork
  • Shimano Steps E7000 motor with 60 Nm and 504 Wh battery for 120 km* range
  • Fat tires 4.8" clearance
  • Rise bar and stem for higher comfort
  • Mudguards & carrier ready
  • Block Lock headset for frame protection

  • COLOUR Gloss Silver/DVO Green
  • FRAME Alloy Al-6061 T6 Custom tubing, Fat Fun Geometry, Shark Spine EVO 26er Fat, SHIMANO STEPS DU hanger, Semi-Int battery, 4.8" Tire ready, TapeRed Head Tube, Fat Boost 197x12, Disc Brake Post Mount, Replaceable RD Hanger, Inner Cable Routing, Kick stand and Dropper post ready, RC 460mm
  • HEAD SET ACROS AZX-251, Zero Stack, 1-1/8“x1.5“, BlockLock
  • FORK Fat 26" EVO, Custom Alloy Tubing, 4.8" Tire ready, Fender&Carrier Ready, 1-1/8-1.5", Disc Brake Post Mount, 150x15 Thru axle
  • SIZES 15.0" (S), 17.0" (M), 19.0" (L)

  • E-BIKE SYSTEM SHIMANO STEPS E7000 - Middle Drive Unit
  • DRIVE UNIT SHIMANO STEPS E7000, 36V, 250W, 60Nm
  • BATTERY SHIMANO BT-E8010, 504 Wh, frame-on mount
  • DISPLAY SHIMANO SC-E5000, Clamp band
  • CHARGER SHIMANO 2A, charging time up to 7.5 hours
  • CHARGE CYCLES 1000 / 60 % of original capacity
  • DISTANCE RANGE up to 100 km (ECO mode)

  • GEARS 1×10
  • SHIFTER SHIMANO Deore SL-M4100-IR RapidFire Plus
  • REAR DERAILLEUR SHIMANO Deore RD-M5120 Shadow Plus
  • CRANKSET Samox ET39-F30-SHE80 165mm 34T
  • CASSETTE SHIMANO CS-M4100-10 11-46T

  • HANDLEBAR ONE1 Alloy, MTB AL-325BT, 6° upsweep, 9° backsweep, 25mm rise, 720mm, 31.8mm
  • STEM ONE1 TDS-C342 Alloy, 31.8xE45mm, +3°
  • GRIPS Velo VLG-1879D2, Ergo Grip
  • BRAKES SHIMANO BL-M4100/BR-MT410, 180/180 rotor, hydraulic disc brake, resin pads
  • SADDLE WTB Volt Sport

  • FRONT HUB ONE1 KTFTB4 15x150mm
  • REAR HUB ONE1 KTRYUF 12x190mm
  • RIMS Shining SB-80 32H
  • TIRES Schwalbe Jumbo Jim, ADDIX SpeedGrip 26x4,8"
  • SPOKES Pillar, Stainless Black

  • WEIGHT* 23.8 Kg (M size)

Weight is set for M sized frame unless stated otherwise. We focus on maximum reliability, so cutting some grams down is not our priority! The weight is measured as the each bike specification shows.

Frame Size 17.0" (M) 19.0" (L)
17.0" (M): 26" 19.0" (L): 26"
SEAT TUBE LENGTH (mm) 17.0" (M): 432 19.0" (L): 473
seat tube angle degree 17.0" (M): 74 19.0" (L): 74
EFFECTIVE TOP TUBE LENGTH (mm) 17.0" (M): 605 19.0" (L): 630
REAch (mm) 17.0" (M): 439 19.0" (L): 461
STACK HEIGHT (MM) 17.0" (M): 579 19.0" (L): 588
HEAD TUBE LENGTH (mm) 17.0" (M): 120 19.0" (L): 130
head tube angle degree 17.0" (M): 68 19.0" (L): 68
CHAINSTAY LENGTH (mm) 17.0" (M): 460 19.0" (L): 460
bb drop (mm) 17.0" (M): 35 19.0" (L): 35
WHEELBASE (mm) 17.0" (M): 1166 19.0" (L): 1199
Handlebar Width (mm) 17.0" (M): 720 - R25 19.0" (L): 720 - R25
Stem Length (mm) 17.0" (M): 65 19.0" (L): 65
Crank Length (mm) 17.0" (M): 165 19.0" (L): 165
seat post lenght (mm) 17.0" (M): 350 19.0" (L): 400

Frame size

Your height

We reccomend *

* The recommendation covers most common body types. Always try the bike yourself at the nearest shop!

Manufacturers reserve the right to vary specifiations, including colors, with or without notice at such times in such manner as deemed appropriate. Major as well as minor changes may be involved. Every effort, however, is made to ensure the accuracy of the particulars contained in this presentation. Consult your Dealer for details regarding the specifications of any featured product. This presentation shall not constitute - under any circumstances whatsoever - an offer by the Company to any individual. All sales are made by the Distributor or Dealer subject to and with the benefit of the standard Conditions of Sale and Warranty provided by the Distributor or Dealer, copies of which may be obtained upon request. While efforts are made to ensure specification accuracy cannot always immediately reflect either change in specification or in some isolated cases the provision of a particular feature. Customers are always advised to discuss specific details with the supplying Dealer, especially if a selection is dependent upon one of the features advertised.* The range of the e-bike depends on many factors such as the rider's weight, the track profile, the level of assistance, gear settings, the wind, etc., so the information is indicative and may vary.

Nearest shops

Kola Pešek a syn I

1267 km away

U Elekrárny 306

53002 Pardubice - Čeperka

Bicicletaria Azores

4054 km away

R. do Espírito Santo

9500-337 Fajã de Baixo

Tel.: +351 913 473 453

Picton Cycles

5250 km away

High St 11-13

L15 8HE Liverpool

Bike Zone - Povoa de Varzim

5259 km away

R. Gomes de Amorim

4490-509 Póvoa de Varzim

Tel.: +351 936 546 431

We strongly recommend buying our products from authorized dealers only.

Professionals who can advise you the best bike fits your riding style and subsequent service.

Rock Machine Research&Development

Passion. Mission.

If you want to burn, be on fire! From the first pencil sketch, through prototype testing and debugging to the finished product tested in the most rigorous labs by the engineers and on the trails by our ambassadors and us.

See you on the trail!

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