In our comparison, not currently a pick
Hercules Robert/a Pro I-R8 2023
€3,599at BikeExchange · sold by eBiker Binzenshop's RRP €4,299
Bosch · 50 Nm · 625 Wh
Buy at BikeExchangeWhere it stands
In stock in 49 and 53 cm · price read 08:44 today · unchanged since the last check
Where it stands
This listing is in our comparison but is not ranked: e-bikes are not value-ranked yet: we list them without ranking them.
What you get
- Kind
- trekking or city e-bike BikeExchange names no kind, and what bikes.de, Fahrrad XXL say of this bike does not settle it, so we placed it here
- Motor
- Bosch Bosch Active Line Plus 25/50Nm
- Torque
- 50 Nm as the shop states
- Battery
- 625 Wh, integrated in the frame
- Class
- Pedelec up to 25 km/h
- Display
- Bosch Intuvia
- Permitted total weight
- 150 kg
- Frame
- not stated by the shop
- Drivetrain
- Shimano Nexus, 8-speed
- Wheels
- Aluminium, basic aluminium Rodi WEB 19
- Brakes
- not stated by the shop
- Weight
- not stated by the shop
- Power meter
- No
- Suspension
- hardtail (front suspension only)
- Fork
- SR Suntour, 63 mm travel
- Comes with
- rack, lights
- Wheel size
- 28"
- Tyres
- SCHWALBE Marathon E-Plus, SmartGuard, Performance, 50-622
The compromises
- 8-speed drivetrain, fewer gears than the 11- and 12-speed groupsets on most e-bikes.
- Mechanical shifting, at a price where electronic groupsets are common.
- Basic aluminium wheels.
- No power meter, which many bikes at this price include.
- 2023 model year.
Your size
What BikeExchange lists, and what it has today
49 cmin stock
53 cmin stock
Where to buy
BikeExchange is the only one of the 22 shops we check that sells this bike.
Price so far
€3,599 at every one of our 3 checks since 25 Sept.
- BikeExchange states an RRP of €4,299 (16% off). That is the shop's claim; we rank on today's price, never on the discount.
Every check
| Checked | Price | Availability |
|---|---|---|
| 25/09/2026, 11:13:23 | €3,599 | in stock |
| 25/09/2026, 21:34:54 | €3,599 | in stock |
| 26/09/2026, 08:44:48 | €3,599 | in stock |
How sure we are
We read 4 of 7 key facts off BikeExchange's page; not stated: frame material, brakes, weight.
Read 08:44 today. The full audit trail shows the source text behind every fact. Report a mistake
Full specification as published by BikeExchange
| Zulässiges Gesamtgewicht | 150,0 kg |
|---|---|
| Bremse | TEKTRO HD-T280 |
| Bremsscheiben | TEKTRO HD-T280 |
| Bremsscheibe hinten | TEKTRO TR160-47, 160 mm |
| Reifengröße | 50-622 |
| Naben | SHIMANO HB-MT410, 15X100 mm, Centerlock |
| Nabe hinten | SHIMANO Nexus 8-Gang, Rücktrittbremse |
| Laufräder | Rodi WEB 19 |
| Laufradgröße | 28 Zoll |
| Schläuche | SCHWALBE AV 19 |
| Reifen | SCHWALBE Marathon E-Plus, SmartGuard, Performance, 50-622 |
| Vorbau | ZECURE UP2+, A-head, verstellbar |
| Steuersatz | semi-integrated |
| Lenker | ZECURE AL, 31.8, 640 mm, 35° backsweep |
| Display | Bosch Intuvia |
| Motor | Bosch Active Line Plus 25/50Nm |
| Maximale Motorunterstützung | bis 25 km/h |
| Akku | Bosch PowerTube 625 |
| Gepäckträger | i-Rack, Systemträger R8, Federklappe |
| Licht hinten | Comus ICR-11, LED |
| Licht vorne | Hercules, FH 100, LED, bis zu 100 Lux |
| Kurbelgarnitur | Hercules EC38 |
| Schalthebel | SHIMANO Revoshifter |
| Art der Schaltung | Nabenschaltung | 8 Gang | Rücktritt |
| Kassette | GATES CDX 22T |
| Sattel | Selle Bassano Suprema City |
| Sattelstütze | LIMOTEC, gefederte Dropperpost A3, Ø31.6 mm, 100 mm Hub, 40 mm Federweg |
| Federweg vorne | 63,0 mm |
| Gabel | SR SUNTOUR NCX-D, 63 mm Federweg, luftgefedert, Lockout, 15 mm Steckachse |
| Jahr | 2023 |
The shop's feature list
- Bosch
- 625wh
- Nabenschaltung
- Beschreibung