An urban unisex bike with a trendy mono frame that allows easy mounting and provides riding comfort. The powerful Sport Drive mid-motor and 500 Wh power pack rack battery deliver enough power to let the bike reach a distance of up to 100 km* after charging. The machine has been built on 28“ wheels to allow all-day touring and fast rides along cycle paths. Standard equipment includes a cargo rack, kickstand, integrated lock, mudguards, and lights fed by the bike’s battery. The main comfort components include, for example, a coil fork and high-performance disc brakes.
  • 1st GEN Low Step Thru frame for 700C wheels
  • City Ride Geometry to increase Comfort&Safety on busy streets
  • Sport Drive motor with 90 Nm, battery 500 Wh and range up to 100 km
  • SHIMANO ALTUS 1x7 38 x 12-32, Suntour NEX fork (50 mm), SHIMANO disc brakes
  • Comfortable Herrmans grips and Selle Royal saddle

Sport Drive MD250S

MD250s middle motor: fully integrated into the Sport drive frame, with truly exceptional parameters offers maximal power of 500 W, the efficiency of more than 80%. It is a clear choice for use in mountain e-bikes. You will appreciate not only the performance but also its exceptionally quiet operation. Even in the steepest terrain, it will help you in a very significant way. The engine offers high quality, yet affordable choice among other middle engines on the market.

Drive Unit
Max. torque
90 Nm
Average of combined
use of all modes and
favourable conditions
Assist modes
1/2/3 + Walk

  • COLOUR Matte Dark Blue
  • FRAME Alloy Al-6061 T6 Custom Low Step Thru tubing, Smooth Welding, City Ride Geometry, 700C specific, Sport Drive MID Motor, OLD 135x9, Disc Brake Post Mount, Fender&Kickstand Ready Dropout, Replaceable RD Hanger, Inner Cable Routing
  • HEAD SET FSA TH-805ST Semi-Cartrige, 1-1/8"
  • FORK SR Suntour NEX HLO, 1-1/8", Coil, QR Type, 50mm travel, lock-out
  • SIZES 44cm (M), 48cm (L)

  • E-BIKE SYSTEM SPORT DRIVE - Middle Drive Unit
  • DRIVE UNIT SPORT DRIVE MD250S, 36V, 250W, 85Nm, torque/rotation sensor
  • BATTERY SPORT DRIVE carrier battery, 36V, 500Wh
  • DISPLAY SPORT DRIVE Grip display
  • CHARGER SPORT DRIVE standard charger, 36V/2A, charging time up to 7,5 hours
  • CHARGE CYCLES 1000/80% of original capacity
  • DISTANCE RANGE 100 km (1st level of support)

  • FRONT LIGHT AXA Compactline 20
  • REAR LIGHT integrated in battery

  • GEARS 1x7
  • SHIFTER SHIMANO SL-M315-7R RapidFire Plus, 7-speed
  • CRANKSET Wheel Top ED2L, 38T
  • CASSETE SHIMANO CS-HG200-7, 12-32T
  • CHAIN KMC X8-ept
  • PEDALS Marwi SP-823

  • HANDLEBAR ONE1 Alloy, NRAL16, 33° backsweep, 26mm rise, 600mm, 25.4mm
  • STEM Satori EZ3 black Matte 110x180
  • BRAKES SHIMANO BL-MT200/BR-MT200, 160/160 rotor, hydraulic disc brake
  • SADDLE SR Giara RVS8015DET
  • SEAT POST ONE1 Alloy, SPS C373

  • RIMS Stars J19ZK, 36H
  • TIRES Schwalbe Road Cruiser KevlarGuard, 700x45C
  • SPOKES Sapim Leader, Stainless Black

  • Total WEIGHT* 27.6 Kg (L 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 44cm (M) 48cm (L)
WHEELS SIZE 44cm (M): 700C 48cm (L): 700C
SEAT TUBE LENGTH (mm) 44cm (M): 440 48cm (L): 480
seat tube angle degree 44cm (M): 73 48cm (L): 73
EFFECTIVE TOP TUBE LENGTH (mm) 44cm (M): 586 48cm (L): 586
REAch (mm) 44cm (M): 395 48cm (L): 395
STACK HEIGHT (MM) 44cm (M): 625 48cm (L): 625
HEAD TUBE LENGTH (mm) 44cm (M): 160 48cm (L): 160
head tube angle degree 44cm (M): 70 48cm (L): 70
CHAINSTAY LENGTH (mm) 44cm (M): 470 48cm (L): 470
bb drop (mm) 44cm (M): 60 48cm (L): 60
WHEELBASE (mm) 44cm (M): 1115 48cm (L): 1115
Handlebar Width (mm) 44cm (M): 600 - R26 48cm (L): 600 - R26
Stem Length (mm) 44cm (M): 110 48cm (L): 110
Crank Length (mm) 44cm (M): 170 48cm (L): 170
seat post lenght/travel (mm) 44cm (M): 350 48cm (L): 350
Number BFI Code Description
999 009.4000.00011.399-051 Head set cover
999 010.0121.00006ZN.328-196 Headset cable guide
999 013.0002.00135-383 Rear derailleur hanger
999 093.0001.00004-802 SD spanner
999 094.2800.00190-051 Strap for carriers
999 095.0001.00046-312 SD display extension cable 36V
999 095.0001.00047-312 SD motor extension cable
999 095.0001.00051-312 SD sensor cable, L1100mm
999 095.0002.00020-361 JST Socket housing, XAP, 2 pins, Male
999 095.0002.00024-361 JST Socket housing, XAP, 6 pins, Male
999 095.0003.00103-376 SPORT DRIVE carrier battery, 36V, 400 Wh
999 095.0004.00018-360
999 095.0005.00075-312
999 095.0006.00013-312 SD speed sensor including magnet 36V, L950mm
999 095.0008.00023-376 SPORT DRIVE charger, 36V/2A
999 095.0009.00025-321 Rubber grommet
999 095.0009.00046-320 Cable tunnel
999 095.0010.00024.SLD-378 SD carrier docking battery socket
999 095.0012.00006-378 Diagnostic cable
999 095.0012.00009-800 USB Adapter
999 098.0002.00054-005 Lock defender
999 502.7801.00069.399 Rear carrier
999 503.3282.00152.399/497 Mudguards set
999 552.3000.00033.CRP SD front light cable 500mm [part: 1.11, 2.11]
999 595.0011.00003 SD middle motor MD250S set, semi-integrated downtube [part: 1.1]

Frame size

Your height

We reccomend *

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

2021 NOTE: Due to the pandemic and difficulties in the delivery chain arising worldwide & extreme demand for our bikes at the same time, we reserve the right to replace some parts with those at the same level of performance (e.g. different brand, the same level of parts) to keep the overall quality of our bicycles. We’re sorry about that. At the end of the day, riding a bike is the best way of #staypositive ever, no matter what brand your handlebar or any other part is!

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

Fahrrad Handels Gesellschaft Radschlag mbH

2 km away

Hallgartenstraße 56

60389 Frankfurt am Main

Tel.: +49 69 452064

Fax.: 069 453099

Fahrrad Müller

8 km away

Frankfurter Str. 67

61118 Bad Vilbel

Tel.: +49 6101 85826

Fax.: +49 6101 84064

Radhaus Walldorf

15 km away

Kelsterbacher Straße 69

64546 Mörfelden-Walldorf

Tel.: +49 6105 2768462

Fax.: +49 6105 2768464

H. Göbel Fahrräder und Zubehör

19 km away

Jügesheimer Weg 23

63500 Seligenstadt

Tel.: +49 6182 961797

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.

Consider these

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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