| General |
| Year | 2021 | 2026 |
| Make Model | Triumph Street Triple RS | KTM 990 RC-R |
| Dimensions |
| Seat Height | 825 mm / 32.5 in | 845 mm / 33.3 in |
| Wheelbase | 1405 mm / 55.3 in | 1481 mm / 58.3 in |
| Ground Clearance | - | 163 mm / 6.4 in |
| Height | 1085 mm / 42.7 in - without mirrors | - |
| Length | 1085 mm / 42.7 in - without mirrors | - |
| Width | 775 mm / 30.5 in - with handlebars | - |
| Weights & Capacities |
| Dry Weight (kg) | 166 | - |
| Wet Weight (kg) | - | 195 |
| Dry Weight | 166 kg / 366 lbs | - |
| Fuel Capacity | 17.4 Litres / 4.6 US gal / 3.8 Imp gal | 15.7 litres / 4.1 US gal |
| Wet Weight | - | 195 kg 430 lbs |
| Performance |
| Max Power | 121.3 hp / 123 PS / 90 kW @ 11,750 rpm | 128.2 hp / 94.3 kW @ 9500 rpm |
| Max Torque | 79 Nm / 58.3 lb-ft @ 9,350 rpm | 103 Nm / 75.9 lb-ft @ 6750 rpm |
| Engine |
| Displacement | 765 cc / 46.6 cu-in | 947 cc / 57.8 cu-in |
| Engine Detail | Four stroke, in-line 3-cylinder, DOHC, 4 valve per cylinder | Four stroke, parallel twin cylinder, DOHC, 4 valve per cylinder |
| Bore x Stroke | 78 x 53.4 mm | 92.5 x 70.4 mm |
| Compression Ratio | 12.54:1 | 13.5:1 |
| Cooling System | Liquid-cooled | Liquid cooled with water/oil heat exchanger |
| Emissions | Euro 5 | EURO 5+ |
| Engine Management | - | Bosch EMS with RBW |
| Exhaust | Stainless steel 3 into 1 exhaust system low single sided stainless steel silencer | - |
| Fuel Induction | Multipoint sequential electronic fuel injection with SAI. Electronic throttle control | 46mm DKK Dellorto throttle body |
| Ignition | Digital - inductive type | - |
| Lubrication | Wet sump | Forced oil lubrication with 2 oil pumps |
| Starter | Electric | Electric |
| Drivetrain |
| Clutch | Wet, multi-plate, slip-assisted | PASC slipper clutch, cable operated |
| Final Drive | X ring chain | Chain 520 X-ring, 16:43 |
| Primary Drive | - | 42:76 |
| Transmission / Drive | 6 Speed with Triumph Shift Assist | 6-Speed |
| Chassis |
| Frame Type | Front - Aluminum beam twin spar Rear - 2 piece high pressure die cast | Chromium-Molybdenum-Steel frame using the engine as stressed element, powder coated |
| Suspension - Front | Showa 41 mm upside down big piston forks (BPF), Adjustable compression damping, rebound damping and preload adjustment | WP APEX 48, open cartridge, compression & rebound (30 Clicks), preload (3 clicks) |
| Suspension - Rear | Öhlins STX40 fully-adjustable piggyback reservoir RSU | WP APEX - Monoshock, compression high-speed (3 turns) low-speed (30 clicks), rebound (30 clicks), preload (10 turns) |
| Rake | 23.9° | - |
| Swingarm | Twin-sided, cast aluminum alloy | - |
| Trail | 100 mm / 3.9 in | - |
| Wheel Travel - Front | 115 mm / 4.5 in | 147 mm / 5.8 in |
| Wheel Travel - Rear | 131 mm / 5.2 in | 134 mm / 5.3 in |
| Wheels & Brakes |
| Brakes - Front | 2 x 310mm floating discs, Brembo M50 4-piston monobloc calipers | 2 x 320mm discs, radially mounted 4 piston caliper |
| Brakes - Rear | Single 220mm disc, Brembo single-piston caliper | Single 240 mm disc, single piston caliper |
| ABS | Adjustable ABS | Standard |
| Tyres - Front | 120/70 ZR17 Pirelli Diablo Supercorsa SP V3 | 120/70-ZR 17 |
| Tyres - Rear | 180/55 ZR17 Pirelli Diablo Supercorsa SP V3 | 180/55-ZR 17 |
| Wheels | 5-spoke cast aluminum alloy | Cast aluminium |
| Wheels - Front | 3.5 x 17 | 3.5 x 17 |
| Wheels - Rear | 5.5 x 17 | 5.5 x 17 |