ROCK MACHINE Storm e70-29 Touring

An eMTB with a Sport Drive central motor and maximum torque up to 90Nm.

Discount for purchasing 2 or more e-bikes: 5%

Why this e-bike?

  • Equipped with a 500Wh frame battery.
  • The Sport Drive central motor ensures high performance.
  • Shimano BR-MT200 disc brakes with 160 mm discs.
  • Sport Drive standard charger, 36V / 2A, charging time up to 7.5 hours.
  • Sport Drive compact display.
  • Fork: ZOOM 595S AMS HLO, 1-1/8", Coil, QR Type, 100 mm travel.
  • WTB Volt Sport seat.
  • WTB Nineline Comp, 29x2.25" tyres with a reflective stripe.

Available in various sizes and colours, this basic e-bike with rugged tyres was made for mountain and other forms of off-road riding! The tyres feature a reflective stripe to make you more visible in low-light conditions.

Click to display the e-bike range calculator

E-bike range calculator

Total weight of rider (incl. equipment)
Predominant route profile
Battery capacity
For 80 kg riders, with a battery capacity of Wh when driving with maximum assistance after a predominantly , the range on this e-bike will be approximately
(Setting specific assistant mode, electro-technical state, battery age, ambient temperature, aerodynamics and driving technique could affect the overall range)

Trekking or cross e-bike is the right choice for your long and enjoyable bike trips. On greatebike.eu you will find only touring and trekking e-bikes with a high range at an attractive price. Cross e-bikes are specifically designed for light terrain.

From the humble garage-days back in 1994 to the present fast changing times, Rock Machine has always followed one basic principle: Having fun behind the bars. Sure there are months in front of the computer, sure there are miles & miles on the jetplanes, sure they spent countless of hours by refining even the smallest frame details.



These might interest you:


                      E-Bike Buyer's Guide    Everything about batteries 

                      Delivery of your e-bike    Everything about e-bike motors 






Drive type SPORT DRIVE middle motor MD250S, 36V, 250W, 90Nm
Control SPORT DRIVE compact display and control ring
Capacity and battery type 500Wh, SPORT DRIVE semi-integrated downtube battery, 36V
Frame sizes 15.0"(S), 17.0"(M), 19.0"(L), 21.0"(XL)
Frame type and material Alloy Al-6061 T6 Custom tubing, Inner Cable Routing
Front fork ZOOM 595S AMS HLO - 100 mm travel
Number of gears 1x9
Shifters SHIMANO ALTUS SL-M2010-9R RapidFire Plus (9-speed)
Derailleur SHIMANO ALTUS RD-M2000 Shadow
Shifters and derailleur SHIMANO ALTUS SL-M2010-9R RapidFire Plus and SHIMANO ALTUS RD-M2000 Shadow
Type and brand of brakes SHIMANO MT200, discs 160mm
Crankset Wheel Top ED2L
Cassette SHIMANO CS-HG200-9
The stem TDS-C301 (alloy ONE1) 31.8 mm ± 6°
Chain KMC e9S
Handlebars ONE1 Alloy, MTB AL-325BT, 6° upsweep, 9° backsweep, 25mm rise, 740mm, 31.8mm
Saddle WTB Koda Sport (alloy ONE1)
Seat post SP C207 27,2 x 350 mm
Load capacity 120 kg
Saddle and seat post WTB SX19 (32 holes)
Front hub SHIMANO HB-TX505 (32 holes + QR type)
Rear hub SHIMANO FH-TX505-8 (32 holes + QR type) M10 × 135 mm
Tyres WTB Nineline Comp 29x2.25“ (with reflective stripe)
Grips Velo VL-G1777D2
Weight including battery 22,8 kg