| General |
| Year | 2018 | 2025 |
| Make Model | Triumph Bonneville Speedmaster | BMW R 12G/S |
| Dimensions |
| Seat Height | 705 mm / 27.7 in | 860 mm / 33.9 in (875 mm / 34.4 in Enduro Package) |
| Wheelbase | - | 1580 mm / 62.2 in (1585 / 62.4 in Enduro Package) |
| Length | - | 2200 mm / 86.6 in |
| Width | - | 830 mm / 32.7 in |
| Weights & Capacities |
| Dry Weight (kg) | 245.5 | - |
| Wet Weight (kg) | - | 229 |
| Dry Weight | 245.5kg / 540 lbs | - |
| Fuel Capacity | 12 Litres / 3.17 US gal | 15.5 Litres / 4.1 US gal |
| Wet Weight | - | 229 kg / 505 lbs |
| Performance |
| Max Power | 57.4 kW / 77 hp @ 6550 rpm | 81 kW / 109 hp @ 7000 rpm |
| Max Torque | 106 Nm / 10.7 kgf-m / 77.4 lb-ft @ 3100 rpm | 115 Nm / 81 lb-ft @ 6500 rpm |
| Engine |
| Displacement | 1198 cc / 73.1 cu in | 1170 cc / 71.4 cub in |
| Engine Detail | Four stoke, parallel twin, 270o crank, SOHC | Four stroke, two cylinder horizontally opposed Boxer, with four camshaft-operated valves and two overhead camshafts per cylinder. |
| Bore x Stroke | 97.6 x 80 mm | 101 x 73 mm |
| Compression Ratio | 10.0:1 | 12:1 |
| Cooling System | Liquid cooled | Air/oil cooled |
| Emissions | - | Controlled 3-way catalytic converter, exhaust emission standards EU-5+ |
| Exhaust | Straight line stainless steel twin-skin slash cut twin stubby silencers | - |
| Fuel Induction | Multipoint sequential electronic fuel injection | Electronic intake pipe injection / digital engine management system: BMS-O with throttle-by-wire |
| 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 | Wet, multi-plate | Single dry plate clutch, hydraulically operated |
| Final Drive | Chain, X-ring | Universal shaft |
| 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 | 6-Speed, claw-shifted transmission with separate transmission housing |
| Chassis |
| Frame Type | Dual tubular steel cradle | 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 |
| Suspension - Front | 41 mm Kayaba fork | 45 mm USD telescopic forks, spring base, rebound and compression damping adjustable |
| Suspension - Rear | Kayaba twin shocks with adjustable preload | Aluminum Paralever swinging arm, directly linked WAD spring strut, spring base, rebound and compression damping adjustable |
| Steering Head Angle | - | 63.1° (63.2° Enduro Package) |
| Trail | - | 120.8 mm / 4.76 in (121.3 / 4.76 Enduro Package) |
| Wheel Travel - Front | 90 mm / 3.5 in | 210 mm / 8.3 in |
| Wheel Travel - Rear | 73 mm / 2.8 in | 200 mm / 7.9 in |
| Wheels & Brakes |
| Brakes - Front | 2 x 310 mm Disc, 2 piston calipers, ABS | 2 x 310mm disc brake, with two axially bolted 2-piston floating calipers |
| Brakes - Rear | Single 255 mm disc, 2 piston caliper, ABS | Single 265 mm disc, 2 piston floating caliper |
| ABS | - | BMW Motorrad ABS Pro (lean angle optimised) |
| Rims - Front | - | 2.15 x 21 |
| Rims - Rear | - | 4.0 x 17 (4.0 x 18 Enduro Package) |
| Tyres - Front | 130/90-16 | 90/90/21 |
| Tyres - Rear | 150/80-16 | 150/70 - R17 (150/70 - R18 Enduro Package) |
| Wheels | Wire 32-spoke, steel rims | Aluminium cross-spoke wheels |