ROCK MACHINE CityRide e300 Bosch
The ultimate urban unisex e-bike with MONO frame for easy boarding and comfortable riding, equipped with a quality Bosch motor and long-lasting battery. The ideal companion for city riding or various types of trips.
Out of stock
- motor: Bosch Active Line Plus
- battery: 500 Wh
- Fframe size: M, L, XL
- gears: 1x9
- fork travel: 50 mm
The ALIVIO group is equipped with a range of advanced SHIMANO features. Features such as 9 speeds, the powerful V-BRAKE braking system and RAPIDFIRE PLUS disc brakes and shifting make the ALIVIO group a trend-setting group in the field of quality e-bikes.
- Greater handling
- Fewer problems thanks to the lowest profile at 9 speeds
- Clean cable routing, compact and integrated design
- More maneuverability thanks to shorter chainstay length
- More rigidity and aggressive design for MTB e-bikes
- Quick installation / wheel removal thanks to additional tensioning
Trekking tire with a smoother pattern. Channels on the tread allow quick water drainage. The tire rolls well, but thanks to its grip, it will also hold you up on the wet trail. It's suitable for both city riding and paved roads.
- Dimensions in inches: 28x1.60
- ETRTO: 40-622
- Heel: wire
- Color: Black
The ultimate urban unisex e-bike with a trendy MONO frame for easy boarding and a comfortable ride. This is a new addition to the 2021 e-bike range. The e-bike is powered by a powerful Bosch Active Line Plus mid-motor, offering high quality yet affordable alternative to other mid-motors on the market, giving us a very pleasant and smooth ride. You'll appreciate not only the power but also its quiet operation. Even on the steepest terrain, it will help you in a very significant way. Its power is provided by the reliable 500 Wh BOSCH Powerpack Rack battery on the rack, which is enough for really long trips. The model is built on 28" for fast cycling and all-day touring.
The e-bike comes fully equipped for the city: there's a rack, mudguards, lights powered by the bike's battery or a handy kickstand, and an integrated lock to keep your bike safe. Just to your left, you'll find the Bosch Purion control unit - a minimalist onboard computer for anyone who wants a sleek look on their handlebars. All important information can be conveniently accessed at the touch of a button while riding, with both hands remaining on the handlebars. Five different driving modes give you the right support in every situation. Comfort is taken care of by the suspension fork and safe stopping is the job of the powerful disc brakes. In terms of additional comfort, you will appreciate the comfortable Herrmans grips and the Selle Royal saddle. The ROCK MACHINE CityRide e300 Bosch can therefore become just the companion you need for city or countryside trips.
E-bike range calculator
The e-bike range is approximately
*Factors affecting total range include assist mode settings, technical condition of the e-bike, battery age, ambient temperature, headwind, and riding technique

Motor Bosch Active Line Plus
An available variant of a branded central electric motor with a smoother and less aggressive characteristic will help. With a nominal power of 250 W and a maximum torque of up to 50 Nm, you will always have enough power in stock to overcome all terrain, road and city obstacles without distinction. The design of the engine without internal gears allows the use of cranks with a classic size converter.

Battery BOSCH Power Pack 500 Wh
Bosch Power Pack 500 Wh high-capacity battery that brings new energy to e-bikes. Thanks to its location on the frame, it does not disturb the center of gravity and the e-bike has an ideal balance. The battery is equipped with a BMS board (Battery Management System), which protects the battery from overheating, short circuit or overcharging.
- the batteries have no memory effect - it can be charged even after a short drive or while driving
- battery life is 600 - 1000 full charge cycles
- battery life in km is around 15,000 - 25,000 or 5 - 9 years
- charging time to 80% capacity is about 2 hours (4A charger)
- the weight of the battery is approx. 2.5 kg
You can buy a new (replacement) battery here.

Bosch Purion Display
Purion is a minimalist on-board computer for anyone who demands sleek look of handlebar whether it is for City or off-road use . You can conveniently get all the important information at the touch of a button while riding with both hands remaining on handlebar. Five different riding modes give you the right support in every situation. The display is supplied with cabling, handlebar holder and is available in two colors.

The same passion that led the original enthusiasts to build the first electric bike continues to drive them forward – to enjoy the pleasure of creating the best electric bikes and bringing them to others. Rock Machine is the life passion and mission of the company's designers, and riding their e-bikes will bring you the same great feelings. Rock Machine is a Czech bicycle manufacturer with a long tradition (since 1994) that combines practical development, affordability, reliable components and fun design.
Manufacturer: BIKE FUN INTERNATIONAL s.r.o., Areal Tatry 1445/2, 742 21 Koprivnice, Czech republic, e-mail: info@bikefunint.com, phone: +420 720 771 501, web: www.rockmachinebikes.com
Parameters
General
Brand | Rock Machine |
Load capacity | 120 kg |
Motor
Engine manufacturer | Bosch |
Engine type | Bosch Active Line |
Torque | 50 Nm |
Centre engine | Yes |
Battery
Battery capacity | 500 - 599 Wh |
Transmission
Sorting | SHIMANO ALTUS SL-M2010-9R RapidFire Plus, 9 speeds |
Cassette | SHIMANO CS-HG200-9, 11-34T |
Number of gears | 1 x 9 |
Components
Handlebars | ONE1 Alloy, HL NR-AL-124 BT FOV 620x31.8 |
Grips | HERRMANS LINE DD36BR, HERRMANS LINE DD36BL |
Rear hub | SHIMANO HB-TX505, 36H, CENTER LOCK, QR Type |
Front hub | SHIMANO HB-TX505, 36H, CENTER LOCK, QR Type |
Saddlebag | Alloy, SP C207 |
Saddle | SR Sfera 5064DRC |
Racks | Stars J19ZK, 36H |
Coats | CST Reach KevlarGuard, 700x40C |
Extender | ONE1 MTS-C269-5 FOV ext. 90/110, bb 31.8 |
Brakes
Front brakes | SHIMANO BL-MT200/BR-MT200, 160/160 rotor, hydraulic disc brake |
Rear brakes | SHIMANO BL-MT200/BR-MT200, 160/160 rotor, hydraulic disc brake |
Suspension
Front fork | SR Suntour NEX DS, 1-1/8", Coil, QR Type, 50mm travel |
Questions
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