Description
The Ridgeback Arcus 2 Open Frame is an all-terrain electric bike pitched at riders who want one machine for the commute, the towpath, the weekend gravel loop and the trip to the shops. The open frame layout makes mounting and dismounting noticeably easier, which matters more than people sometimes admit when you are stopping at a junction or stepping off with a pannier full of groceries on a wet evening.
Motor & battery
A Sportdrive MD250S motor sits at the heart of the bike, offering 250 watts of pedal assistance and up to 90Nm of torque. That is a meaningful figure on UK hills, particularly when you are loaded up with bags or riding into a stiff headwind across exposed roads. The 418Wh battery supports a quoted range of up to 75km, which is plenty for most local trips and longer weekend rides between charges.
Comfort comes from a 63mm-travel suspension fork paired with WTB Riddler 700x45c tyres, a combination that handles patched tarmac and dusty bridleways with equal calm. Hydraulic disc brakes deliver consistent stopping in damp British weather, while full mudguards, a pannier rack and integrated lights round out the package as a properly equipped utility e-bike that is genuinely ready to be used straight from the showroom floor.
Specifications
- Frame: alloy, open frame step-through design
- Motor: Sportdrive MD250S, 250W, 90Nm
- Battery: Sportdrive 418Wh, quoted range up to 75km
- Brakes: Alhonga hydraulic disc
- Drivetrain: microSHIFT Mezzo 9-speed, 11-36T
- Tyres: WTB Riddler 700x45c
- Fork: RST Volant, 63mm travel
- Wheel size: 700c
- Mudguards, rack and lights fitted
Sizing & fit
Offered in size Small, the Arcus 2 Open Frame suits riders looking for an easy-access fit and confident all-surface capability.









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