ROCKRIDER e ST 900 MOUNTAIN BIKE grey

Ref: 8487240

27.5"+ ROCKRIDER e-ST 900 MTB DARK GREY/LIGHT GREY

This electric mountain bike is designed for RIDING ON ANY MOUNTAINOUS TERRAIN.

There are no limits to where you can go with the E-ST 900. Overcome every obstacle with its high-torque central motor (70Nm) and stay out for longer thanks to its 500Wh battery.

Presentation of the ROCKRIDER E-ST 900

VTT électrique E-ST 900 ✌ ROCKRIDER SHOP

First use

INFLATING THE ORIGINAL TYRES (TUBE-TYPE)
INFLATING YOUR TUBELESS TYRES
ADJUSTING YOUR FORK
BEDDING IN YOUR BRAKES
ADJUSTING THE HEIGHT OF YOUR HANDLEBARS
ALIGNING YOUR HANDLEBAR
POSITIONING YOUR BRAKE LEVERS
FITTING YOUR GPS
ADJUSTING THE HEIGHT OF YOUR SADDLE
ADJUSTING THE TILT OF YOUR SADDLE
CHANGING YOUR PEDALS
HOW TO CONVERT YOUR WHEELS TO TUBELESS

Controlling your screen

For 2021, we've changed the control screen on the E-ST 900 mountain bike. The new model is still made by our partner Brose, but it looks and works differently.

Got a question about your battery? 

HOW LONG DOES IT TAKE THE BATTERY TO CHARGE?
CAN YOU RIDE WHEN YOUR BATTERY IS FLAT?
CAN YOU LEAVE YOUR CHARGER CONNECTED TO THE BATTERY EVEN AFTER IT HAS FINISHED CHARGING?
SHOULD YOU WAIT UNTIL YOUR BATTERY IS COMPLETELY FLAT BEFORE CHARGING IT?
DOES THE BATTERY CHARGE WHILE CYCLING?
WHAT SHOULD YOU DO WITH THE BATTERY WHEN IT WEARS OUT?
HOW SHOULD YOU STORE YOUR BATTERY?
WHERE CAN YOU BUY A REPLACEMENT BATTERY?
WHAT IS THE LIFETIME OF YOUR BATTERY?

THE RIGHT EQUIPMENT IN CASE OF A HICCUP

You need to have the right equipment with you when you're out and about on your mountain bike so that you can take care of a puncture, a broken chain or any other type of setback. Here's a selection of products that can get you out of a tight spot or two.

equipment-mountain-bike-st520-rockrider

HAVE A PROBLEM?

> ELECTRICAL

YOUR BATTERY WON'T CHARGE
ONE OR MORE LEDs ON YOUR BATTERY IS/ARE FLASHING
THE SCREEN IS SHOWING AN ERROR CODE
LOW OR REDUCED RANGE

> MECHANICS

THE BACK WHEEL IS MAKING A NOISE
YOUR WHEEL IS BUCKLING AFTER SEVERAL RIDES
YOUR GEARS ARE NOT SHIFTING PROPERLY