| BMW Roctane | ARCH MOTORCYCLE 1S |
|---|
| engine specs | |
| Type | |
|---|---|
| Air/water-cooled 2-cylinder 4-stroke | S&S Cycle T124 45-degree downdraft fuel-injected V-Twin engine |
| Displacement | |
| 1802 cm3 | 2032 cm3 |
| Bore X Stroke | |
| 4.2x3.9 in OR 107 mm | - |
| Compression Ratio | |
| 9.6:1 | - |
| Horsepower | |
| 91/4750 KW(hp)/RPM | - |
| Torque | |
| 117/3000 lb-ft/RPM OR 159/3000 Nm/RPM | 115.3/- lb-ft/RPM OR 156/- Nm/RPM |
| Fuel System | |
| Electronic Fuel Injection | EFI |
| transmission specs | |
| Gearbox | |
|---|---|
| 6-Speed Constant mesh | 6-speed |
| Clutch | |
| Hydraulically activated single-plate dry clutch | Compact dry clutch |
| Final Drive | |
| Chain | Chain |
| chassis specs | |
| Frame | |
|---|---|
| Steel double-loop tube frame | Tubular steel frame with CNC-machined aluminum subframe single-sided swingarm |
| Front Suspension | |
| Telescopic forks, fixed fork | Fully adjustable ARCH/Öhlins FGRT series fork |
| Rear Suspension | |
| Cantilever | Fully adjustable ARCH/Öhlins rear shock with reservoir and hydraulic pre-load adjustment |
| Front Brake | |
| Double discs 300 mm | Dual ISR 6-piston monobloc radial mount calipers with ISR floating dampened discs |
| Rear Brake | |
| Single disc 300 mm | Single ISR 4-piston monobloc radial mount caliper with ISR semi-floating disc |
| dimension specs | |
| Overall Length | |
|---|---|
| 103 in OR 2616 mm | - |
| Overall Width | |
| 37.5 in OR 953 mm | - |
| Seat Height | |
| 28.3 in OR 719 mm | 31.5 in OR 800 mm |
| Weight | |
| 1235 lbs OR 560 kg | 563 lbs OR 255 kg |
| Fuel Capacity | |
| 4.2 gallons OR 15.9 L | 4.5 gallons OR 17.0 L |
| Wheelbase | |
| 67.7 in OR 1720 mm | 65.4 in OR 1661 mm |
| tyres specs | |
| Front | |
|---|---|
| 120/70 B 21 | 120/70-17 Michelin Power RS |
| Rear | |
| 180/55 B 18 | 240/45-17 Michelin Power RS |
