ROCK MACHINE Catherine e70

An eMTB with Dapu central motor and maximum torque up to 90 Nm.

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

Why this e-bike?

  • Equipped with a 500Wh battery integrated into the frame.

  • High-performance Dapu MD250S central motor.

  • Shimano BL-MT200/BR-MT200 hydraulic disc brakes with 160 mm discs.

  • ZOOM 595S AMS HLO suspension fork with 100 mm front suspension travel

  • WTB Nineline Comp 29x2.25" tyres with reflective stripe.

  • Charging time up to 7.5 hours.

  • Maximum speed of battery assist 25 km/h.



A durable e-bike for various types of terrain! This basic model will get you where you're going even when you don't feel like pedalling hard. Check it out today!


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)

Central drive DAPU 250S

Second generation: Advanced Japan technology + Great performance up to 90 Nm + Silent operations.

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
Capacity and battery type 500Wh (36V/13.8Ah) Li-ion, frame
Control SPORT DRIVE compact display + control ring
Frame sizes 15,0“ (S) / 17,0“ (M) / 19,0“ (L)
Frame type and material Alloy Al-6061 T6 (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
Type and brand of brakes SHIMANO BL-MT200/BR-MT200, hydraulic disc brakes 160/160
Cassette SHIMANO CS-HG200-9, 11-36T
The stem ONE1 TDS-C301 Alloy, 31.8 mm, +6°
Chain KMC e9S
Saddle WTB Koda Sport (alloy ONE1)
Seat post SP C207 (alloy ONE1) 27.2 x 350 mm
Tyres WTB Riddler Comp 29 x 2,25“ (with reflex stripe)
Load capacity 120 kg