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FREE DELIVERY
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30 day free return
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2-YEAR WARRANTY
50
50 Miles
Real Range
160
160 Nm
Max Torque
10
10 Miles (30mins)
Ultra Fast Charging
750
750 W
Power Option : 250/500/750
NEXT-GEN ULTRA-DRIVE MOTOR
Bafang’s latest generation Ultra-drive motors can extract greater amounts of torque from the same power rating, giving the One slope-climbing power irrespective of the weight it’s carrying.
HYDRAULIC BRAKE SYSTEM
BRAKES YOU CAN COUNT ON - Hydraulic disc brakes from Shimano are used to deliver quick and precise stopping power in all weather conditions. The brake cables are hidden in the frame to protect them from any damage.
Puncture-resistant tires
COMFORTABLE, COMPOSED & SWIFT - The Ultrabike comes with puncture-resistant, fast-rolling tires. Thanks to its large volume, It can take you to the destination with the maximum comfort, safety, and a solid grip.
MONOSHOCK
SMOOTH RIDE, EVERY TIME! - Front mono-shock and seat suspension ensure you never feel a bump! A guaranteed smooth ride with the dual suspension at your service.
RESPONSIVE CARBON BELT DRIVE
Ultrabikes come with lag-less carbon belts from Gates making your bike ultra-silent and ultra-responsive.
Next-Gen Ultra-drive Motor
Bafang’s latest generation Ultra-drive motors can extract greater amounts of torque from the same power rating, giving the One slope-climbing power irrespective of the weight it's carrying.
HYDRAULIC BRAKE SYSTEM
BRAKES YOU CAN COUNT ON - Hydraulic disc brakes from Shimano are used to deliver quick and precise stopping power in all weather conditions. The brake cables are hidden in the frame to protect them from any damage.
PUNCTURE-RESISTANT TIRES
COMFORTABLE, COMPOSED & SWIFT - The Ultrabike comes with puncture-resistant, fast-rolling tires. Thanks to its large volume, It can take you to the destination with the maximum comfort, safety, and a solid grip.
MONOSHOCK
SMOOTH RIDE, EVERY TIME! - Front mono-shock and seat suspension ensure you never feel a bump! A guaranteed smooth ride with the dual suspension at your service.
RESPONSIVE CARBON BELT DRIVE
Ultrabikes come with lag-less carbon belts from Gates making your bike ultra-silent and ultra-responsive.
RESPONSIVE CARBON BELT DRIVE
Ultrabikes come with lag-less carbon belts from Gates making your bike ultra-silent and ultra-responsive.
The illumination you need to on the road. See clearer and be seen always, even at night.
With the highly safe 250 power lithium battery, 504Wh capacity, Ultra-fast charging and efficient acceleration, the Ultra-bike can take you up to 50miles on a single charge. The smart power management system offers six different protective measures, and you can easily check the health of the battery via the mobile app.
Short Circuit andOvercurrent Protection
Dual ProtectionFrom Overcharging
TemperatureResistance
OvercurrentProtection
Under-voltageauto sleep protection
INFORMATION AT YOUR FINGERTIPS
Bike status
Smart Lock
Alarm
GPS
Firmwareupdates
Fall Alert
Calamus One-75
Calamus One-75
| Specs | M | L |
| Rider Height | 160-185 cm ( 5.2" - 6.06") | 185-200 cm ( 6.06" - 6.65") |
| Inseam | 75-85 cm ( 29.5" - 33.4") | 80-90 cm ( 31.5" - 35.4" ) |
| Seat Height | 700-800 | 750-850 |
| Seat Tube length | 445 | 485 |
| Top Tube length | 523.8 | 578.3 |
| Head tube Length | 120 | 150 |
| Head tube Angle | 70 | 70 |
| Seat Tube Angle | 73 | 73 |
| Belt Stay Length | 470 | 470 |
| Wheelbase | 1101 | 1151 |
| Stack | 615 | 643 |
| Reach | 385 | 424 |
Technical Specification
| Frame | Anodized Aircraft grade Aluminum |
| Suspension | Al Mono-shock front suspension with 35mm travel |
| Saddle | Velo Ergo saddle with Satori suspension seat post |
| Weight | 50.7 lb (23 Kgs) |
| Wheels | 28" I Anodized aluminum rims I Stainless steel spokes |
| Tire | Schwalbe Big Ben (28”x 2”) puncture-protected tires |
| Motor | Bafang M620 (750W) |
| Gears | Rohloff Speed Hub 500/14 |
| Color | Asphalt Grey, Panther Black |
Motor
| Max speed | 28 Mph (45 Km/h) |
| Motor rated power | 750W |
| Sensors Used | Torque Sensors + Cadence Sensors |
| Ingress Protection | IP65 |
| Max Torque | 160 Nm |
| Motor Weight | 4.5 Kg |
| Motor Efficiency |
Up to 80% |
Braking
| Model | BL-MT200 |
| Series | SHIMANO ALIVIO M3100 Series |
| Color | Black |
| Brake Type | Hydraulic disc brake |
| Lever size (Finger) | 3 |
Lights
| Headlights | 1600 Lumens, IP 65, StVZO compliant headlight with DRL |
| Taillights | LED tail light with RoHS compliance |
| Turn indicator | LED Turn Indicator With RoHS compliance |
Battery
| Battery Type | Lithium Ion (Li-ion) |
| Charging limited voltage | 42V |
| Nominal voltage | 37V |
| Rated capacity | 14Ah |
| Charging temperature range | 0-40°C |
| Discharge temperature range | 0-40°C |
| Weight- Approx. | 3.5Kg |
| Charger rated input voltage | 100-240V AC 50/60Hz |
| Battery voltage limit | 250- 32V, 750- 41.6V |
Other
| Touchscreen | Display Integrated 4” Capacitive touch LCD TFT display Android enabled with Calamus Intelli UI |
| Ultra Boost Button | Boost Button Quick on-demand acceleration |
| In-built Speaker | High-frequency smart horn I System and alarm sounds |
| Wireless Tech | Rider Profile recognition I Over-the-air firmware updates |
| Security | Integrated theft defense system with Ultra smart lock, Anti-theft nuts and bolts & GPS, 4G enabled |
| Phone App | IOS and Android compatible I Adjustable rider preferences I Find your bike |
| Blindspot Assist | Haptic feedback through handlebar by Blindspot Detection module (Up to 20m) |
Package contents
Calamus -one x1
Battery x1
Charging adapter x1
Tool Box x1
Warranty Card
User Manual x1
Quick start guide x1
Legal Statement x1