Surface 604 PolarForce 26×4" Studded Fat Tire — Ice & Snow Traction for E-Bikes
The PolarForce is the winter tire for full-size 26×4" fat e-bikes. Carbide-tipped steel studs across an open, self-clearing block tread hold on packed snow and sheet ice, and the 4" footprint floats over loose snow… Read more ↓
Arrival dates are estimates and may change due to circumstances beyond our control (customs clearance, shipping delays, supplier timing).
Pre-order option
Paying in full todayPaid in full — reserved
You've paid in full and your unit is reserved — first in line when stock lands. Nothing else owed.
We get it ready
Stock arrives around October 30, 2026. Our Calgary mechanics assemble, torque-check and road-test every bike before it goes out.
Ships the moment it arrives
As soon as stock lands and your bike is dialled in, we ship it to your door — or pick up at our Calgary shop if you're local.
The PolarForce is the winter tire for full-size 26×4" fat e-bikes. Carbide-tipped steel studs across an open, self-clearing block tread hold on packed snow and sheet ice, and the 4" footprint floats over loose snow…