Rock Machine eRokk B90T 29 electric bike, matte nightstorm blue
Rock Machine eRokk B90T 29 electric bike
Suitable for all enthusiastic adventurers who regularly spend time on two wheels. Suitable for riding on cycle paths and paved roads. These bikes are fitted with components with a good ratio of reliability and durability.
Aluminium frame
Lighter, relatively durable and stiff material that is affordable. The most widespread material for the production of bicycle frames.
Hydraulic disc brakes
Reliable in all conditions, better modulation of the braking effect with the use of less force on the lever. Heavier weight, more demanding service.
Air fork
The best option in terms of weight and comfort. Provides more adjustment options (rebound, compression). Requires regular service - the service cycle is specified by the manufacturer.
29” wheels
The advantage is better terrain passability, better rolling and traction. However, they are heavier, which also applies to tires.
| Drive |
Bosch PerformanceLine CX, Smart System, 36 V, 250 W, 85 Nm
|
| Battery |
Bosch Battery Power Tube 750 Wh
|
| Display |
Bosch Kiox 300
|
| Frame |
Aluminum monotube frame for Bosch CX Performance Smart System drive unit, Up to 750 Wh battery, 29/27.5 wheels compatible. Ready for dropper seat post and suspension dropper seatpost.
|
| Fork |
RockShox Judy Silver TK, Tapered, SoloAir, 15x110 mm axle, 100 mm travel
|
| Shifting |
Shimano Cues SL-U6000 RapidFire Plus, 10 speed
|
| Derailleur |
Shimano RD-U6000
|
| Cassette |
Shimano CS-LG300-10, 11-48T
|
| Chain |
Shimano CN-LG500
|
| Crankset |
ONE1 EC39-BH4-F13-ISIS-L/R, 38T
|
| Brakes |
Shimano MT200
|
| Brake discs |
Shimano SM-RT10, 180 mm/180 mm
|
| Rims |
Stars J30
|
| Front hub |
Shimano HB-TC500-15-B
|
| Rear hub |
Shimano FH-QC300
|
| Spokes |
Sapim Leader, Stainless Black with secure lock nipples
|
| Tires |
Rubena Cheetah 29x2.35"
|
| Seat post |
ONE1 Alloy, SP S405, 30.9 mm
|
| Saddle |
Selle Royal Essenza Moderate
|
| Stem |
TDS-C342 Alloy, 31.8 mm, e45, +3°
|
| Handlebars |
Velobel, aluminium riser 40, ergo handlebar
|
| Grips |
Herrmans Click DD37
|
| Headset |
Acros ZS56/ZS56
|
| Pedals |
Flat, Glass Fiber Reinforced Nylon, with reflector
|
| Mudguards |
Alloy Full Cover Fenders
|
| Bell |
Widek Paperclip e-bike
|
| Front light |
AXA Blueline 30
|
| Rear light |
Spanning Pling XE
|
| Pannier rack |
Delta Carrier, AVS, max. load 27 kg
|
| Stand |
Atran Velo Rex
|
| Lock |
AXA Block XXL
|
| Sex | Men, Women, Unisex |
| Model year | 2025 |
| Gears | 1x10 |
| Groupset | Other |
| Colour | matte nightstorm blue |
| Material | aluminium |
| Wheel diameter | 29" |
| Drive | Bosch Performance CX |
| Battery | 750 Wh |
| Brakes | Hydraulic disc brakes |
| Fork | Air |
| Fork travel | 100 mm |
| product ID | 349669 |
| Bike size | M | L |
|---|---|---|
| Height (cm) | 160 - 180 cm | 180 - 195 cm |
All bicycles at the MTBIKER shop are new, not-ridden, from an official distributor and with a full warranty. Several brands even offer a lifetime warranty on the frame after registration. We perform all warranty services in MTBIKER stores after personal delivery or after sending the bike (or its part) by courier.
- The bicycle is taken out of the manufacturer's box
- The bicycle is assembled, inspected and adjusted (front and rear derailleur, shock, fork, wheels,...)
- The bicycle is carefully packed back into a box and shipped
- If you order a bicycle for in store pickup or home delivery, the bicycle will be waiting put together, checked and ready to use for you.
- If you order a bicycle via courier to your home address, the following must be done at home:
- Take the bike out of the box and carefully remove safety material and foils
- Mount handlebar to stem (1 minute, 4 or 5 mm hex hey is needed).
- Mount front wheel to fork (1 minute, without the need of any tools if the bike has a quick release).
- Loosen the screws in the headset, straighten the stem with the front wheel, tighten the upper screw on the fork and then tighten the headset (2 minutes, 4 or 5 mm hex key is needed).
- Mount the pedals to the cranks while lubricating the thread and carefully mounting it the right way (1 minute, 8 mm hex key or 15 mm wrench).
- Mount seatpost to frame (10 seconds, without needing any tools if the frame has a quick link).
- Inflate the tires or fork and shock to desired pressure (2 minutes, pump needed).
- Check the tightening of hex keys and quick-releases (2 minutes, 4 and 5 mm hex key is needed).
- Go for a test drive! Handle your bicycle carefully until you get used to it. If the bike has disc brakes, their performance will be limited from now on - they will gain their full power after 4-5 strong brakes at higher speed.
All the answers to questions about delivery, payment, security, returns, warranty and much else.
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