| General |
| Year | 2025 | 2026 |
| Make Model | BMW R 12 S | Triumph Bonneville Speedmaster |
| Dimensions |
| Seat Height | 795 mm / 31.3 in | 705 mm / 27.8 in |
| Wheelbase | 1511 mm / 59.5 in | 1500 mm / 59.1 in |
| Height | - | 1055 mm /41.5 in |
| Length | 2131 mm / 83.9 in | 2220 mm / 87.4 in |
| Width | 871 mm / 34.3 in | 910 mm / 35.8 in |
| Weights & Capacities |
| Fuel Capacity | 15.9 Litres / 4.2 US gal | 14 Litres / 3.7 US gal |
| Wet Weight | 220 kg / 485 lbs | 263 kg / 580 lbs |
| Performance |
| Max Power | 81 kW / 109 hp @ 7000 rpm | 57.5 kW / 76.9 hp @ 6000 rpm |
| Max Torque | 115 Nm / 81 lb-ft @ 6500 rpm | 106 Nm / 78.2 lb-ft @ 3750 rpm |
| Engine |
| Displacement | 1170 cc / 71.4 cub in | 1198 cc / 73.1 cu-in |
| Engine Detail | Four stroke, two cylinder horizontally opposed Boxer, two camshafts and four radially aligned valves per cylinder, central counter balancer shaft. | Four stoke, parallel twin, 270° crank angle, SOHC, 4 valve per cylinder |
| Bore x Stroke | 101 x 73 mm | 97.6 x 80 mm |
| Compression Ratio | 12:1 | 10.0:1 |
| Cooling System | Air/oil cooled | Liquid cooled |
| Emissions | Controlled 3-way catalytic converter, exhaust emission standards EU-59 | Euro 5+ |
| Exhaust | - | Chromed stainless steel 2 into 2 twin-skin exhaust system with chromed stainless silencers |
| Fuel Induction | Electronic intake pipe injection / digital engine management system: BMS-O with throttle-by-wire | Electronic fuel injection with electronic throttle control. 2 riding modes (Road, Rain) |
| Fuel Type | Unleaded super (premium), octane number 95-98 (RON) (rated output at 98 RON) | - |
| Ignition | - | Digital |
| Lubrication | Wet sump | Wet sump |
| Starter | Electric | - |
| Drivetrain |
| Clutch | Single dry plate clutch, hydraulically operated | Wet, multi-plate, slip & assist |
| Final Drive | Shaft | X-ring chain |
| Gear Ratios | 1st = 2.375, 2nd = 1.696, 3rd = 1.296, 4th = 1.065, 5th = 0.939, 6th = 0.848 | - |
| Primary Drive Ratios | 1.737 | - |
| Transmission / Drive | 6-speed, claw-shifted transmission with separate transmission housing | 6-Speed |
| Chassis |
| Frame Type | Four-part frame concept with front frame and three-part rear frame, load-bearing engine-gearbox unit, rear-seat frame removeable for one-up riding | Tubular steel, twin cradle frame |
| Suspension - Front | Upside-down 45 mm forks, compression, rebound and spring preload adjustable; | 47 mm Showa cartridge forks |
| Suspension - Rear | Cast aluminium single swinging arm with BMW Motorrad Paralever; central spring strut, spring preload fully adjustable by hook wrench, adjustable rebound-stage damping | KYB Mono-shock RSU with linkage and preload adjustment |
| Rake | 27.7 ° | 25.3° |
| Swingarm | - | Twin sided tubular steel |
| Trail | 112 mm / 4.4 in | 91.4 mm / 3.6 in |
| Wheel Travel - Front | 120 mm / 4.7 in | - |
| Wheel Travel - Rear | 120 mm / 4.7 in | - |
| Wheels & Brakes |
| Brakes - Front | Twin disc brake, floating brake discs, diameter 310 mm, 4-piston Monobloc radial brake caliper | 2 x 310mm disc, Brembo 2-piston floating calipers, OCABS |
| Brakes - Rear | Single 265 mm disc, 2 piston floating caliper | Single 255mm disc, Nissin single piston sliding caliper, OCABS |
| ABS | BMW Motorrad ABS Pro, partial integral | Standard |
| Rims - Front | 3.50 x 17 | - |
| Rims - Rear | 5.50 x 17 | - |
| Tyres - Front | 120/70 - ZR17 | 130/90-16 |
| Tyres - Rear | 180/55 - ZR17 | 150/80-16 |
| Wheels | Aluminium cast wheels | - |
| Wheels - Front | - | Wire 32-spoke, 16 x 2.5 in |
| Wheels - Rear | - | Wire 32-spoke, 16 x 3.5 in |