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

Choose from the variants: info

  • Equipped with a frame battery up to 500Wh.
  • The high performance Dapu M250S central motor.
  • Shimano BR-M315 disc brakes .
  • Included 4A quick charger.
  • SR Suntour XCM-ATB DS front fork .


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 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.



That might be interesting to you:


                      E-Bike Buyer's Guide    Everything about batteries 

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





Drive type Dapu MD250S, 36 V / 250 W / 90 Nm
Capacity and battery type 500Wh (36V / 14Ah) / 400Wh (36V / 11.6Ah), frame Li-Ion
Frame type and material Alu 6061.T6 DAPU Multibutted
Front fork SR Suntour SR Suntour XCM-ATB DS, 100 mm
Shifters and derailleur Shimano SL-M310 RapidFire Plus and Shimano Acera RD-M360-SGS
Type and brand of brakes Shimano BR-M315 hydraulic disc brake 160/160 mm
Saddle and seat post RM XCF Sport and ONE Sport
Tires Freedom Dual 29x2.10 "
Sensor Torque

Rockmachine intro video