Product description
Tern Orox S12 Ex – Demonstrator (Only 232 miles)
Time to say goodbye to our demo bike!
This Orox has been our trusted test machine and adventure companion. It’s carried an 11-year-old’s mountain bike in tow and been fully loaded for two days of camping up the Lea Valley, with rides along the trails in Epping Forest during the trip.
Fitted with the Trail Rack and Stow Decks (worth £270), this bike is ready to tackle the trails and hills on your next adventure.
(Captain’s Chair and Cargo Hold 28 + 72 panniers as pictured not included.)
At this price, we sadly cant offer Free Shipping or accept Cyclescheme vouchers...but talk to us!
EXPLORE NEW GROUND
The Orox adventure cargo bike defies extreme conditions to keep you going—no roads needed. This tenacious trooper packs up to two XL batteries to power you through extended off-grid explorations and redefines what’s possible by bike, with a massive Max Gross Vehicle Weight of up to 210 kg (462 lb) for best-in-class cargo capacity.
UL Tested & Certified
The entire Bosch e-bike system—including the battery, charger, drive unit, and display—is tested and certified to UL 2849, the most extensive and rigorous standard for e-bike electrical systems to date. Each component is individually tested for electrical safety and performance, and verified again as part of the complete system.
Proven Safe & Tough

Orox has been rigorously tested to meet internationally recognized e-bike, e-cargo bike, and mountain bike standards. EFBE Prüftechnik GmbH further put Orox through its grueling Tri-Test to prove the frame and fork can handle a Max Gross Vehicle Weight of 210 kg on pavement and 180 kg off-road, ride after ride.
Built and Serviced by Local Experts
E-bikes are complex machines that require care from trained professionals. Orox is only sold through Bosch-certified Tern dealers, ensuring every bike is assembled, tuned, and supported by experienced local mechanics.
What makes it an S12?
Shimano Deore XT 1×12-speed groupset for fast, precise shifting
27.5" stud-compatible Vee Snowball tires to take on any condition
Orox Highlights
Bosch Performance Line CX motor: 85 Nm torque, 340% support
Dual-battery system for ultra-long range
Bosch Smart System with ConnectModule (includes eBike Alarm & Tracking)
Splash- and dust-proof Kiox 300 color display with LED remote
Powerful Magura 4-piston hydraulic brakes
EFBE-certified for up to 210 kg payload (pavement) / 180 kg (off-road)
Fits riders 155–195 cm (5'1"–6'5"), up to 130 kg (286 lb)
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