| General |
| Year | 2015 | 2025 |
| Make Model | Triumph Street Triple R | Harley Davidson Sportster S |
| Dimensions |
| Seat Height | 820 mm / 32.3 in | 765 mm / 30.1 in |
| Wheelbase | 1410 mm / 55.5 in | 1520 mm / 59.8 in |
| Ground Clearance | - | 90 mm / 3.5 in |
| Height | 1110 mm / 43.7 in (without mirrors) | 1085 mm / 42.7 in |
| Length | 2055 mm / 80.9 in | 2270 mm / 89.42 in |
| Seat Height (Laden) | - | 734 mm / 28.9 in |
| Width | 740 mm / 29.1 in (handlebars) | 840 mm / 33.1 in |
| Weights & Capacities |
| Wet Weight (kg) | 183 | 228 |
| Dry Weight (kg) | 168 | 221 |
| Dry Weight | 168 kg / 370 lbs | 221 kg / 487 lbs |
| Fuel Capacity | 17.4 Litres / 4.6 US gal / 3.8 Imp gal | 11.7 Litres / 3.1 US gal |
| Oil Capacity | 3.4 Litres / 3.6 US qt / 3.0 Imp qt | - |
| Wet Weight | 183 kg / 403 lbs | 228 kg / 502 lbs |
| Performance |
| Max Power | 79 kW / 106 hp @ 11850 rpm | 121 hp / 90 kW @ 7500 rpm |
| Max Torque | 68 Nm / 6.9 kgf-m / 50 ft/lb @ 9750 rpm | 126 Nm / 93 lb-ft @ 6000 rpm |
| Engine |
| Displacement | 675 cc / 41.2 cub in. | 1252 cc / 76.4 cu-in |
| Engine Detail | Four stroke, in-line 3-cylinder, DOHC, 4 valve per cylinder. | Four stroke, 60° V-twin Revolution Max 1250, Chain-driven, DOHC, hydraulic self-adjusting lifters, intake & exhaust VVT, four valves per cylinder |
| Bore x Stroke | 74 x 52.3 mm | 105 x 72.3 mm |
| Compression Ratio | - | 12.0:1 |
| Cooling System | Liquid-cooled | Liquid cooled |
| Exhaust | Stainless steel 3 into 1 system low single sided stainless steel silencer | 2-into-1-into-2, catalyst in muffler |
| Fuel Induction | Multipoint sequential electronic fuel injection with SAI | Electronic Sequential Port Fuel Injection (ESPFI) |
| Ignition | Digital - inductive type | - |
| Lubrication | Wet sump | Semi-dry sump |
| Starter | Electric | Electric |
| Drivetrain |
| Clutch | Wet, multi-plate | Mechanical, 8 plate wet, assist & slip, 1090N |
| Final Drive | Chain | Belt, 34/80 ratio |
| Gear Ratios | - | 1st 12.21 / 2nd 9.022 / 3rd 6.994 / 4th 5.641 / 5th 4.731 / 6th 4.131 |
| Primary Drive | - | Gear, 49/89 ratio |
| Transmission / Drive | 6 Speed, close ratio | 6 Speed |
| Chassis |
| Frame Type | Aluminium beam twin spar. Rear - 2 piece high pressure die cast swingarm Braced, twin-sided, cast aluminium alloy | Stressed-member, high strength low alloy steel trellis frame; stamped, cast, and forged junctions; MIG welded; aluminum forged mid-structure |
| Suspension - Front | Kayaba 41mm upside down forks with adjustable preload, rebound and compression damping | 43 mm inverted fork with compression, rebound and spring preload adjustability. Aluminium fork triple clamps |
| Suspension - Rear | Kayaba monoshock with piggy back reservoir adjustable for rebound and compression damping | Linkage-mounted, piggyback monoshock with compression, rebound and hydraulic spring preload adjustability |
| Fork Angle | - | 28° |
| Lean Angle | - | 35° |
| Rake | 23.4° | 30° |
| Swingarm | - | High strength low alloy steel, tubular sections, stamped x-member, forged axle junctions; MIG welded |
| Trail | 95 mm / 3.7 in | 148 mm / 5.8 in |
| Wheel Travel - Front | 115 mm / 4.5 in | 92 mm / 3.6 in |
| Wheel Travel - Rear | 135 mm / 5.3 in | 82 mm / 3.2 in |
| Wheels & Brakes |
| Brakes - Front | 2 x 310 mm floating discs, Nissen 4 piston radial calipers, ABS | Single 320mm rotor, radially mounted, monoblock, 4-piston caliper |
| Brakes - Rear | Single 220 mm disc, Brembo 1 piston caliper, ABS | Single 260mm solid uniform expansion rotor, floating single piston caliper |
| ABS | - | Standard |
| Rims - Front | - | 4.5 x 17 |
| Rims - Rear | - | 5.0 x 16 |
| Tyres - Front | 120/70 ZR 17 | 160/70TR17 73V Dunlop- Harley-Davidson Series, radial, GT503 |
| Tyres - Rear | 180/55 ZR 17 | 180/70R16 77V Dunlop- Harley-Davidson Series, radial, GT503 |
| Wheels | - | Aluminum cast, satin black |
| Wheels - Front | Cast aluminium alloy 5-spoke 17 x 3.5 in | - |
| Wheels - Rear | Cast aluminium alloy 5-spoke 17 x 5.5 in | - |