Rockrider E-ST 500 27,5"
A mountain e-bike with a central Brose motor: the smoothest, most natural pedal assist for the dirt tracks between olive groves, dry-stone walls and coastal trails.
Highlights
- Central Brose C motor, 50 Nm torque with torque sensor
- 420 Wh integrated battery, up to 55 km of range
- ERGO 500 display: speed, battery, remaining range
- 120 mm SUNTOUR XCM suspension fork, 27.5" wheels
- Tektro hydraulic disc brakes 160 mm front and rear
- 8-speed Microshift Acolyte drivetrain, comfort riding position
Available sizes
Size chart: rider height
Find your size from your height. If you are between two sizes, tell us your inseam and riding style and we will pick for you.
| Size | Rider height (cm / ft-in) | Inseam (cm / in) | Availability |
|---|---|---|---|
| S | 155–165 cm / 5'1"–5'5" | 72–78 cm / 28"–31" | In our fleet |
| M | 165–175 cm / 5'5"–5'9" | 77–83 cm / 30"–33" | In our fleet |
| L | 175–186 cm / 5'9"–6'1" | 82–88 cm / 32"–35" | In our fleet |
| XL | 186–197 cm / 6'1"–6'6" | 87–93 cm / 34"–37" | In our fleet |
Indicative manufacturer guidance. Saddle height and stem are adjusted at pick-up, free of charge.
Collect and return your bike at our points in Lecce, Calimera and San Foca, with flexible hours. Tell us where you are staying and we'll organise delivery and collection — the cost is confirmed when you book.
Electric assist
Dashboard & controls
- Motor
- Brose C mid-drive motor, 250W · 50 Nm torque · assist up to 280%
- Battery
- Integrated Samsung SDI / LG 420 Wh battery
- Range
- up to 55 km (Eco mode, low elevation gain)
- Weight
- 22.8–23.2 kg depending on size
- Dashboard & controls
- ERGO 500 display · 3 modes (Eco / Standard / Boost) + Walk mode
Full specifications
All manufacturer technical specs.
- Frame
- Rockrider Comfort Geometry in 6061 aluminium with hydroformed tubes · Boost 12x148 mm · 31.6 mm seatpost · bottle cage mount
- Fork
- SUNTOUR XCM · 120 mm travel · 30 mm stanchions · 9x100 mm QR axle
- Electric system
- Brose C aluminium mid-drive motor 250W, 50 Nm torque, torque sensor, assist up to 280% · Samsung SDI/LG 420 Wh battery · ERGO 500 display with Eco/Standard/Boost and Walk mode · assist up to 25 km/h (EU regulation)
- Drivetrain
- 34-tooth 3D ChainFlow chainring with chain retention · Microshift Acolyte 8-speed derailleur · Microshift 12-42 cassette · 175 mm cranks · KMC E8S e-bike specific chain
- Brakes
- Tektro M276 hydraulic disc, 2 pistons · 160 mm rotors front and rear
- Wheels
- Rockrider Tubeless Ready 27.5" rims · 23 mm internal width · 32 spokes · 6-bolt disc
- Tyres
- Hutchinson Gila 27.5x2.35" / Hutchinson Kraken 2.3" / Michelin Force XC 2.25" subject to availability
- Components
- Rockrider Sport oversize 720 mm handlebar · 70–90 mm stem adjustable over 5 positions · Rockrider Core Comfort saddle · Rockrider 520 Grip pedals · bell, lights and reflectors
- Weight
- 22.8 kg (S) · 22.9 kg (M) · 23.1 kg (L) · 23.2 kg (XL)
Included in every rental
The rental price already includes all the accessories — nothing to add, on every bike in the fleet.
- Helmet
- Front and rear lights
- Lock
- Small frame bag
- Phone mount
- Pump
- Repair kit (pump, inflate and repair)
- Spare inner tube
- Rear rack, if you need one (except Trek Domane)
- Garmin / GPS mount
Optional extras
Add them when you book — we set the bike up before delivery.
- Clipless pedals SPD (MTB), SPD-SL or Look (road)+5€
- Panniers / double bag (2 × 15 lt = 30 lt)Not available on the Trek Domane+2€ / day
- Child seatE-bikes onlyon request
Second removable Trek battery: +10€ per day. No security deposit required. Sizes from 49 to 61 (XS to XL).
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