• E-BIKE SYSTEM BFI Sport Drive - Middle Drive Unit
  • BATTERY Li-Ion 36 V / 504 Wh-14 A
  • DISPLAY Compact display with control ring
  • DRIVE UNIT Dapu MD250S, 36 V / 250 W / 90 Nm
  • MAX SUPPORT SPEED 25 km/h
  • CHARGE CYCLES 1000 / 80 % of original capacity
  • CHARGING TIME (HOURS) 2.5 hours / 4A – 7.5 hours / 2A (depending on charger and battery)
  • DISTANCE RANGE (UP TO) 100 km (1st level of support)
  • GEARS 1×9
  • FRAME Alu 6061.T6 DAPU Multibutted
  • TRAVEL (F/R) 75 mm
  • FORK SR Suntour MOBIE25-COIL RLR Remote LO
  • REAR SUSPENSION -
  • SPRING/DAMPING SYSTEM Coil spring/hydraulic lock-out
  • GEARS 1×9
  • CRANKSET DAPU Mid motor MD250S 38T w/ Alloy chain cover
  • FRONT DERAILLEUR -
  • REAR DERAILLEUR Shimano Altus RD-M2000-SGS Shadow
  • SHIFTER Shimano Altus SL-M2000 RapidFire Plus
  • FREEWHEEL/CASSETTE Shimano CS-HG200-9 11-36
  • CHAIN KMC X9e EPT
  • BRAKES Shimano BR-MT200 hydraulic disc brake 160/160 mm
  • BB DAPU
  • HEAD SET FSA No.10 Semi-Cartrige
  • PEDALS VP-831P
  • FRONT HUB Shimano HB-M6010 CL 15x100 mm
  • REAR HUB Shimano FH-M4050 CL QR
  • RIMS WTB SX19, 32H
  • SPOKES Sapim Leader, Stainless Black
  • TIRES WTB Nine Line Comp 29×2.25"
  • STEM ONE Sport 31.8 mm
  • HANDLEBAR Alloy rised
  • GRIPS Velo VL-G1777D2
  • SEAT POST ONE Sport
  • SADDLE WTB Volt 142
  • SIZES 17" (M), 19" (L), 21" (XL)
  • Total WEIGHT* 23,5 kg / 19" (L) incl. battery
  • E-BIKE SYSTEM BFI Sport Drive - Middle Drive Unit
  • BATTERY Li-Ion 36 V / 504 Wh-14 A
  • DISPLAY Compact display with control ring
  • DRIVE UNIT Dapu MD250S, 36 V / 250 W / 90 Nm
  • MAX SUPPORT SPEED 25 km/h
  • CHARGE CYCLES 1000 / 80 % of original capacity
  • CHARGING TIME (HOURS) 2.5 hours / 4A – 7.5 hours / 2A (depending on charger and battery)
  • DISTANCE RANGE (UP TO) 100 km (1st level of support)

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.

Weight including battery.

Wheelsize
Frame Size 17.0" (M) 19.0" (L) 21.0" (XL)*
SEAT TUBE LENGTH (mm) 17.0" (M) : 432 19.0" (L): 473 21.0" (XL)*: 533
EFFECTIVE TOP TUBE LENGTH (mm) 17.0" (M) : 602 19.0" (L): 623 21.0" (XL)*: 640
STACK (MM) 17.0" (M) : 625 19.0" (L): 635 21.0" (XL)*: 635
REAch (mm) 17.0" (M) : 411 19.0" (L): 429 21.0" (XL)*: 446
CHAINSTAY LENGTH (mm) 17.0" (M) : 460 19.0" (L): 460 21.0" (XL)*: 460
WHEELBASE (mm) 17.0" (M) : 1142 19.0" (L): 1164 21.0" (XL)*: 1181
SEAT TUBE ANGLE 17.0" (M) : 73 19.0" (L): 73 21.0" (XL)*: 73
HEAD TUBE ANGLE 17.0" (M) : 69 19.0" (L): 69 21.0" (XL)*: 69
HEAD TUBE LENGTH (mm) 17.0" (M) : 120 19.0" (L): 130 21.0" (XL)*: 130
fork lenght (mm) 17.0" (M) : 510 19.0" (L): 510 21.0" (XL)*: 510
Fork offseet (mm) 17.0" (M) : 46 19.0" (L): 46 21.0" (XL)*: 46
bb drop (mm) 17.0" (M) : 45 19.0" (L): 45 21.0" (XL)*: 45
HEAD TUBE SIZE 17.0" (M) : IHS 1-1/8"-1,5" (FSA NO.57B-1) 19.0" (L): IHS 1-1/8"-1,5" (FSA NO.57B-1) 21.0" (XL)*: IHS 1-1/8"-1,5" (FSA NO.57B-1)
SEAT POST DIAMETER (mm) 17.0" (M) : 27.2 19.0" (L): 27.2 21.0" (XL)*: 27.2
SEAT CLAMP DIAMETER (mm) 17.0" (M) : 31.8 19.0" (L): 31.8 21.0" (XL)*: 31.8
Dropout IDL (mm) 17.0" (M) : 10x135 QR 19.0" (L): 10x135 QR 21.0" (XL)*: 10x135 QR
Handlebar Width (mm) 17.0" (M) : 720 / 20 rise 19.0" (L): 720 / 20 rise 21.0" (XL)*: 720 / 20 rise
Stem Length (mm) 17.0" (M) : 70 19.0" (L): 70 21.0" (XL)*: 70
Crank Length (mm) 17.0" (M) : 170 19.0" (L): 170 21.0" (XL)*: 170
Seatpost Length (mm) 17.0" (M) : 350 19.0" (L): 350 21.0" (XL)*: 350

Frame size

Your height

We reccomend *

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

bike preview

Nearest shops

Fahrrad Handels Gesellschaft Radschlag mbH

2 km away

Hallgartenstraße 56

60389 Frankfurt am Main

http://www.radschlag.de
info@radschlag.de

Tel.: +49 69 452064

Fax.: 069 453099

Fahrrad Müller

8 km away

Frankfurter Str. 67

61118 Bad Vilbel

http://www.fahrrad-mueller.info
info@fahrrad-mueller.info

Tel.: +49 6101 85826

Fax.: +49 6101 84064

Radhaus Walldorf

15 km away

Kelsterbacher Straße 69

64546 Mörfelden-Walldorf

http://www.radhaus-walldorf.de
info@radhaus-walldorf.de

Tel.: +49 6105 2768462

Fax.: +49 6105 2768464

H. Göbel Fahrräder und Zubehör

19 km away

Jügesheimer Weg 23

63500 Seligenstadt

h.goebel-fahrraeder@web.de

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.

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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