Rockrider 27.5 Inch Electric E-ST 520 2024

120 mm

Since your mountain bike rides will get longer and longer, it is important to have a suitable seat. Our teams have designed the exclusive Rockrider Ergofit Evo saddle. It fits all hip sizes and has a curved shape that is particularly good for sport trail rides. The 31.6 mm aluminium seat post ensures compatibility with most adjustable and suspended seat posts on the market.

telescopic seatpost not compatible

The E-ST520 electric bike is equipped with a single chainring and ChainFlow 3D anti-slip technology to prevent the chain from derailing. A single shifter on the right handlebar makes it easy to shift between the 9 speeds. In detail: -Chainflow & Anti-derailment single chainring with 34 teeth -Microshift Advent 9-speed rear derailleur with long cage -Microshift Advent right shifter -Microshift H093 9-speed cassette (11 to 42 teeth) -KMC E9 Sport electric bike specific chain

hydraulic disc brakes

These wheels were specially designed for this mountain bike: – 23 mm rims (width between brackets), 28 spokes at the front and 32 spokes at the rear, for greater and good grip with wide tyres (up to 2.5in). – BOOST thru rear axle (12×148) for greater – Aluminium hubs with sealed bearings – TUBELESS READY rims: you will need TUBELESS tyres, specific Presta valves, and puncture sealant.

In order for you to feel safe on any terrain, and for traction suited to your motor, the E-ST520 electric MTB is equipped with Hutchinson Cougar 27.5in tyres with a 2.4in cross-section. Our test riders particularly liked these tyres for their grip on the ground. Mounted on wide rims, these tyres provide great grip, traction, and comfort on any terrain.

middle position

400 to 499 Wh

sector