EUNORAU DEFENDER Electric Mountain Bike (27.5×3.0) — Full Suspension

Eunorau Defender — Full Suspension You Can Actually Keep Road-Legal

Most full-suspension eBikes make you choose: heavy fat-tyre comfort, or a premium mid-drive price tag. The Defender is the one that sidesteps both. It is a genuine dual-suspension bike — a ZOOM 100mm front fork and an EXA air rear shock working together — built around a 48V 500W rear hub motor that ships at the 500 W and 32 km/h settings every province converges on. No mid-drive premium, no 90 lb fat-tyre lift. Just a comfortable, light, road-legal full-suspension all-rounder for the mixed terrain Canadians actually ride.

The detail that makes it work is the tyres. CHAOYANG 27.5″ × 3.0″ plus tyres give you a wide, planted contact patch for gravel, roots, and loose ground — but they roll faster and weigh less than a true 4.0″ fat tyre, and the bigger 27.5″ wheel rolls over obstacles more easily than a 26″ fat wheel. The result is a full-suspension bike that comes in at 66 lbs, not the 77–92 lbs of the heavier fat-tyre platforms in the same price bracket. It is the comfort of full suspension without the dead-weight penalty.

It is also built to grow with you. The 48V 15Ah battery (720 Wh) handles a normal ride, and the Defender is dual-battery ready — a matched second pack roughly doubles your range for the days you want to disappear down a rail trail and not think about it. Shimano 7-speed drivetrain. Hydraulic disc brakes with 180mm rotors front and rear and motor cutoff. BC182 display with the Eunorau GO app. Aluminium 6061 frame in 17″ and 19″. 300 lb payload. Recommended for riders 5’3″–6’4″. Three colours. Free Canada-wide shipping.

Key Features

• 48V 500W Rear Hub Motor — 60 Nm — Smooth, quiet hub-drive power sized to the 500W nominal ceiling the provinces converge on, with twist-and-go simplicity and no need to shift to get moving. 60 Nm is comfortable and confident on flats, rolling terrain, and moderate grades — this is an all-round comfort cruiser, not a steep-technical climber. If your riding is mostly sustained steep climbs under load, see the honest take below. Hub vs mid-drive explained →
• Full Suspension — ZOOM 100mm Fork + EXA KS/A5 Air Rear Shock — Both wheels are suspended. The 100mm ZOOM front fork takes the big hits at the bars; the EXA air rear shock works through the rear linkage to keep the back wheel tracking and the saddle from punching you on rough ground. This is comfort-tuned full suspension — ideal for gravel, rail trail, and light singletrack, where a hardtail would beat you up.
• CHAOYANG 27.5″ × 3.0″ Plus Tyres — The deciding spec. Wider than a standard mountain tyre (2.2–2.4″) for grip and a big air cushion, but lighter and faster-rolling than a true fat tyre (4.0″+). The larger 27.5″ wheel rolls over roots and edges more smoothly than a 26″ fat wheel. Mounted on durable black alloy rims.
• 48V 15Ah Removable Battery — 720 Wh, Dual-Battery Ready — Removable for indoor charging and security. The standout is expandability: the Defender accepts an optional matched second battery to roughly double capacity (to about 1,440 Wh) and roughly double range. A 48V 17Ah Samsung main-battery upgrade is also offered — on the 19″ frame (the 17Ah pack is not compatible with the 17″ frame). Long-range eBike guide →
• EUNORAU Hydraulic Disc Brakes — 180mm Rotors, Motor Cutoff — Hydraulic stopping power with strong, consistent feel in rain, heat, and cold, with 180mm rotors front and rear for the thermal mass to stop a loaded bike on a descent. The brake levers include a motor cutoff that kills assist the instant you squeeze — important on a throttle-equipped bike.
• Shimano 7-Speed Drivetrain — 44T Chainring, 170mm Forged Crank — Reliable, easy-to-service Shimano gearing (SHIMANO ASLM315 shifter, 14–28T freewheel) with a 44T chainring protected by a chain guard, on a 170mm forged alloy crank. Simple and durable for mixed-terrain riding. It is a 7-speed, not a wide-range trail cassette — see the honest take for what that means on steep ground.
• BC182 LCD Display + EUNORAU GO App — Backlit display showing speed, battery state, assist level, trip and odometer. App connectivity for ride data and settings — and where the speed limit is configured. Keep it at the 32 km/h setting for public roads.
• 40 LUX LED Headlight + Integrated Taillight — A bright LED headlight for seeing and being seen, plus an integrated rear light, controllable from the handlebar — useful on early-morning and after-dusk rides.
• Aluminium 6061 Full-Suspension Frame — Two Sizes — Aluminium means no rust risk through Canadian winter storage. Two frame sizes (17″ and 19″) fit riders 5’3″–6’4″, with a 35.0″–40.9″ saddle-height range. Rated for a 300 lb (136 kg) payload.
• Three Colours — Army Green, Safari, and Orange.

Everything Included

• Eunorau Defender full-suspension eMTB (your choice of colour and frame size)
• 48V 15Ah removable lithium-ion battery (720 Wh)
• US-standard 2.0A smart charger
• 500W rear hub motor (pre-installed)
• ZOOM 100mm front suspension fork + EXA KS/A5 air rear shock (pre-installed)
• Shimano 7-speed drivetrain (pre-installed) — SHIMANO ASLM315 shifter, 44T chainring with chain guard, 170mm forged alloy crank
• EUNORAU hydraulic disc brakes (pre-installed) — 180mm rotors front & rear, motor cutoff
• CHAOYANG 27.5″ × 3.0″ plus tyres (mounted on black alloy rims)
• 40 LUX LED headlight + integrated taillight (pre-installed)
• BC182 LCD display + thumb throttle (pre-installed)
• High-quality nylon pedals
• Tool kit for final assembly
• Owner’s manual

Optional add-ons: a matched second battery to roughly double range; a 48V 17Ah Samsung main-battery upgrade (19″ frame only); and the Eunorau Defender rack & fender set → for commuting and cargo duty. Call 1-866-938-7580 to confirm the current battery options for your frame size before you order.

Shipping & Delivery

• Shipping: Free Canada-wide shipping
• Delivery: Standard Canada-wide delivery as per Zeus shipping policy
• Tracking: Tracking email sent once shipped
• Assembly: Ships partially assembled in a single box — toolkit included; final assembly typically involves the front wheel, handlebars, pedals, and seat

Warranty

The Defender is covered by a layered warranty: a 1-month Zeus complimentary limited warranty (claim coordination), the Eunorau manufacturer warranty (Eunorau publishes a 2-year limited warranty on the Defender, covering manufacturing defects), and optional paid Zeus extended-protection plans (1, 2, 3, or 5 years). Standard wear items — tyres, brake pads, chains, grips, and the saddle — and damage from misuse, improper maintenance, or unauthorised modification are not covered. See our warranty page for full terms, or call 1-866-938-7580 to confirm the current Eunorau coverage on the Defender before purchase.

What You Should Know Before Buying (Honest Take)

• Eunorau doesn’t publish the sensor type — so we won’t guess it. The Defender’s spec sheet lists “0–5 level pedal assist” and a thumb throttle, but does not state whether the pedal assist runs off a torque sensor or a cadence sensor. We will not copy a spec we cannot verify. If proportional, torque-sensing assist is a priority for you, call 1-866-938-7580 and we will confirm the current configuration before you order. Why the sensor matters →
• 60 Nm is a comfort cruiser, not a steep-technical climber. The Defender is confident on flats, gravel, rail trail, and moderate grades. If your riding is mostly long, steep, technical climbs — or you are a heavier rider tackling sustained grades — a torque-rich mid-drive like the Eunorau Urus 2.0 → (120 Nm, drives through the gears) will climb harder. Know your terrain before you choose. Wattage & torque guide →
• The rear suspension is comfort-tuned, not long-travel enduro hardware. The EXA air rear shock smooths real mixed terrain beautifully, but this is an entry full-suspension layout. The published “165mm” on the shock is its own length/stroke spec, not rear-wheel travel. For aggressive descending and big hits, a longer-travel trail platform is the better tool.
• 27.5 × 3.0 are plus tyres, not fat tyres. That is the right call for all-round comfort and efficiency — but if you specifically need deep-snow or soft-sand float, a true 4.0″ fat-tyre bike is the tool, not this.
• It is a single-motor bike, not AWD. The “Dual Motor” you may have seen on retailer banners refers to the separate Eunorau Defender-S → (two motors, 1,500W). This Defender is a single 500W rear hub — lighter, road-legal, and simpler. If you want two-motor all-wheel drive, that is a different bike.
• The maximum-range battery is a 19″-frame decision. Eunorau’s documentation states the 17Ah Samsung upgrade is not compatible with the 17″ frame. If you want the biggest battery configuration, choose the 19″ frame — or confirm the current options with us by phone before ordering.
• It’s a 7-speed, not a wide-range cassette. Seven speeds with a 44T chainring is plenty for flat-to-rolling and light-trail riding. Riders who want a wider gear range for steep climbs or high-cadence descents will notice the ceiling. For its intended use, it’s simple and reliable.
• UL certified — we state only what Eunorau publishes. Eunorau lists the Defender as “UL Certified” but does not publish the specific standard (for example, full-system UL 2849 versus battery-only UL 2271). If your building or insurer requires a specific certification number on file, call us and we’ll get you the documentation before you buy.
• 66 lbs is moderate for the class, but it’s still a real lift. Removing the battery drops a few kilos for carrying. Plan for ground-floor storage, an elevator, or a sturdy rack rather than hauling it up multiple flights daily.
• Configure the speed setting before public-road riding. The Defender ships at the 32 km/h road setting — exactly where you want it for Canadian roads. The unlock to 45 km/h puts it outside every province’s e-bike rule and is for private property only. Keep it at 32 km/h for the road. Canadian eBike laws →

Will It Fit You? — Sizing & Fit

The Defender comes in two frame sizes (17″ and 19″) sized for riders 5’3″ to 6’4″, with a saddle-height range of 35.0″–40.9″. Shorter riders generally do better on the 17″; taller riders on the 19″. Remember the 17Ah battery upgrade is a 19″-only option.

Full Specifications

Who Is the Eunorau Defender For?

• Riders who want full-suspension comfort without the fat-tyre weight. The 27.5″ plus tyres and dual suspension smooth out gravel, roots, and rough pavement while keeping the bike at a manageable 66 lbs — lighter than the heavy 26″ fat-tyre full-suspension bikes in the same bracket.