06 July. Monday 2026
R 18 Roctane - 2025 Specifications and Reviews
The 2025 BMW R 18 Roctane is a cruiser-style motorcycle designed for riders seeking classic styling with modern reliability. Known for its iconic boxer engine, low seat height, and commanding presence, it excels at relaxed highway touring and weekend cruising. With electric starting, LED lighting, and a three-year warranty, it appeals to both experienced cruiser enthusiasts and newer riders valuing comfort and ease of use.
2025
General information | |
| Color Options | Black storm metallic, Mineral Gray Metallic Matte, Dragonfire Red Metallic |
| Price | US$ 18995. MSRP depends on country, taxes, accessories, etc. |
| Category | Custom / cruiser |
| Model | BMW R 18 Roctane |
Engine and Transmission Specifications | |
| Starting | Electric |
| Emission Details | Regulated three-way catalytic converter |
| Clutch | Single-disc dry |
| Final Drive | Shaft drive (cardan) (final drive) |
| Gearbox | 6-speed |
| Cooling System | Oil & air |
| Fuel Control | Double Overhead Cams/Twin Cam (DOHC) |
| Induction | Injection. Electronic intake pipe fuel injection, BMS-K+ electronic engine management with overrun cut-off, twin-spark ignition |
| Valves Per Cylinder | 4 |
| Bore x Stroke | 107.1 x 100.0 mm (4.2 x 3.9 inches) |
| Compression Ratio | 9.6:1 |
| Max Torque | 162.7 Nm (16.6 kgf-m or 120.0 ft.lbs) @ 3000 RPM |
| Engine Details | Two chain-driven camshafts above the crankshaft |
| Capacity | 1802.0 ccm (109.96 cubic inches) |
| | |
Physical measures and capacities | |
| Fuel Capacity | 16.01 litres (4.23 US gallons) |
| Wheelbase | 1720 mm (67.7 inches) |
| Overall Width | 983 mm (38.7 inches) |
| Overall Length | 2286 mm (90.0 inches) |
| Overall Height | 1397 mm (55.0 inches) |
| Seat Height | 719 mm (28.3 inches) If adjustable, lowest setting. |
| Power/Weight Ratio | 0.2432 HP/kg |
| Dry Weight | 374.2 kg (825.0 pounds) |
| | |
R 18 Roctane dimensions and frame | |
| Wheels | Wire spoked |
| Rear Brakes | Single disc. Single disc brake, fixed caliper. BMW Motorrad Integral ABS. |
| Brake Disc Diameter | 300 mm (11.8 inches) |
| Front Brakes | Double disc. 4 piston fixed calipers, BMW Motorrad Integral ABS (partially integral) |
| Rear Tyre | 180/65-B18 |
| Front Tyre | 120/70-21 |
| Rear Wheel Travel | 89 mm (3.5 inches) |
| Rear Suspension | Steel swingarm with central shock strut |
| Front Wheel Travel | 119 mm (4.7 inches) |
| Front Suspension | Telescopic fork |
| Trail | 150 mm (5.9 inches) |
| Frame | Double loop steel frame with bolted beams |
Speed and acceleration | |
| Top Speed | 178.6 km/h (111.0 mph) |
Other specs | |
| Related bikes | List related bikes for comparison of specs. |
| Ask questions | Join the 25 BMW R 18 Roctane discussion group or the general BMW discussion group. |
| Maintenance | Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. |
| Insurance costs | Compare US insurance quotes from the nation's top providers. |
| Update specs | Report missing specs or required updates. |
| Warranty | 3-years or 36,000 miles warranty |
| Lighting | LED headlight |
| Electrical | Permanent magnet generator 600 W. 12 V / 26 Ah, maintenance-free battery. |
| Reserve fuel capacity | 3.79 litres (1.00 US gallons) |
| Rake (fork angle) | 32.7° |
| Power | 91.0 HP (66.4 kW)) @ 4750 RPM |
| Engine type | Two cylinder boxer, four-stroke |
| Year | 2025 |
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