origine Help Road M5 Di2 2025
2025 E-bike
Estimate price |
6,843$
E-bike
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Carbon -
Groupset Ultegra, Ultegra Di2 -
Suspension Rigid -
Motor MAHLE 55Nm hub-drive -
Battery IX 250Wh intube -
Drivetrain 2 × 12 Electronic -
Brakes Rim
Sizing
Recommended size guide.
SM
158cm - 172cm
MD
169cm - 180cm
LG
177cm - 187cm
XL
184cm - 193cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Help Road
Suspension Fork
OGV III 12x100 sans inserts
Drivetrain
Rear Derailleur
Ultegra R8170 Di2 Disc 12v
Cassette
Ultegra R8100 11-30 12v
Crank
Ultegra R8100 50/34 H
Pedals
Without pedals
Wheels
Rims
Orion e-C35 Pro X20
Tires
Power Cup 28 TR Chambres à air
Brakes
Brakes
Rim
Cockpit
Stem
TK-278A (semi-intégrée)
Handlebar
Road Curve WCS
Seat
Saddle
SLR Boost Superflow
Seatpost
Monobloc 27,2 350mm
Motor & Battery
Motor
Mahle X20 e-drive 435Wh
Battery
IX 250Wh intube
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM | MD | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.562 mm | 1.579 mm | 1.606 mm | 1.594 mm |
| Bottom Bracket Height | 258 mm | 261 mm | 261 mm | 261 mm |
| Front Center | 599 mm | 616 mm | 632 mm | 653 mm |
| Rake | 50 mm | 50 mm | 50 mm | 50 mm |
| Trail | 63 mm | 63 mm | 63 mm | 63 mm |
| Stack | 577 mm | 597.5 mm | 621.5 mm | 640 mm |
| Reach | 369.5 mm | 378.5 mm | 387 mm | 401.5 mm |
| Seat Tube Angle | 74 ° | 74 ° | 74 ° | 74 ° |
| Seat Tube Length | 450 mm | 480 mm | 510 mm | 545 mm |
| Head Tube Angle | 71 ° | 71 ° | 71 ° | 71 ° |
| Head Tube Length | 150 mm | 175 mm | 200 mm | 220 mm |
| Chainstay Length | 429 mm | 429 mm | 429 mm | 429 mm |
| Wheelbase | 1016 mm | 1034 mm | 1050 mm | 1071 mm |
| Bottom Bracket Drop | 78 mm | 75 mm | 75 mm | 75 mm |
| Wheels | 700 | 700 | 700 | 700 |
| Rider Min Height | 158 cm | 169 cm | 177 cm | 184 cm |
| Rider Max Height | 172 cm | 180 cm | 187 cm | 193 cm |