The 2021 Triumph Street Twin is a modern classic motorcycle, part of Triumph's Bonneville lineup, which has been around since the 1950s. This naked roadster, with its accessible seat height and friendly power delivery, is a popular choice for both new and experienced riders. Key trims for this model year include the standard Street Twin and the more performance-oriented Street Scrambler. It typically falls within a pricing range of around $9,600 to $11,000 when new, making it a compelling value proposition. Its popularity stems from its blend of classic styling, approachable performance, and customization potential.
The Good
The 2021 Triumph Street Twin offers a superb blend of engaging performance from its torquey engine, reliable engineering, and comfortable ergonomics for urban riding and weekend jaunts. Its timeless design appeals to emotion, while its fuel efficiency and strong value proposition satisfy practicality.
The Bad
Some owners report that the 2021 Triumph Street Twin's suspension can feel a bit basic for aggressive riding or rough roads. Additionally, while generally reliable, occasional minor electrical glitches or sensor issues have been noted. The brakes, while adequate, may not satisfy riders seeking top-tier stopping power.
2021 Triumph Street Twin: Quick Overview
- Engine: 900cc liquid-cooled, 8-valve, SOHC, parallel-twin
- Horsepower: 64 hp @ 7,500 rpm
- Torque: 59 lb-ft @ 3,800 rpm
- Fuel Economy: Approximately 50-55 mpg (miles per gallon)
- 0-60 mph: Estimated around 4.5-5.0 seconds
- Towing Capacity: Not applicable (motorcycle)
- Transmission: 5-speed
- Frame: Tubular steel cradle frame
- Suspension (Front): 41mm telescopic forks
- Suspension (Rear): Twin shock absorbers with pre-load adjustment
- Brakes (Front): Single 310mm disc with a 4-piston Brembo caliper
- Brakes (Rear): Single 255mm disc with a 2-piston Nissin caliper
- Tires (Front): 100/90-18
- Tires (Rear): 150/70 R17
- Weight (Wet): Approximately 483 lbs (219 kg)
- Seat Height: 30.3 inches (770 mm)
- Fuel Tank Capacity: 2.6 gallons (10 liters)
- Key Trims and Features:
- Standard Street Twin: Typically includes ride-by-wire throttle, ABS, switchable traction control, LED rear light, immobiliser, and a USB charging socket.
- Street Scrambler (related model with shared platform): Often features higher handlebars, longer travel suspension, wire-spoked wheels, and an upswept exhaust for a more off-road inspired look. (Note: Scrambler is a distinct trim, but shares much of the powertrain and core chassis).
- Electronics: ABS, Switchable Traction Control, Ride-by-Wire Throttle
2021 Triumph Street Twin Specifications
Vehicle Information
| Year | 2021 |
| Make | Triumph |
| Model | Street Twin |
| Trim | - |
| Style | - |
| Type | Motorcycle |
| Category | Motorcycle |
Manufacturing Details
| Made In | United Kingdom |
| Manufacturing City | CHONBURI |
Dimensions
| Doors | - |
| Curb Weight | - |
| Gross Vehicle Weight Rating | - |
| Overall Height | - |
| Overall Length | - |
| Overall Width | - |
| Wheelbase Length | - |
| Standard Seating | - |
Engine & Performance
| Engine | 900cc 2cyl |
| Engine Size | 900L |
| Engine Cylinders | 2 |
| Transmission | - |
| Transmission Type | - |
| Transmission Speeds | - |
| Drivetrain | - |
Additional Features
| Anti-Brake System | Standard |
| Steering Type | - |
Pricing
| Manufacturer Suggested Retail Price (MSRP) | - |
| Invoice Price | - |
| Delivery Charges | - |
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What Problems Does the 2021 Triumph Street Twin Have?
The 2021 Triumph Street Twin generally enjoys a reputation for good reliability, benefiting from Triumph's continuous improvement over the years with the modern Bonneville platform. However, like any vehicle, there are a few points that owners have occasionally reported.
One area that sometimes surfaces in owner forums relates to minor electrical gremlins. These can range from an illuminated engine management light that may be triggered by a sensor issue, to occasional problems with accessory wiring or connections, especially if aftermarket accessories have been fitted. These are usually not catastrophic but can be a nuisance.
The clutch can sometimes feel a bit heavy or grabby for some riders, particularly in stop-and-go traffic. While not a widespread failure, some owners have sought adjustments or aftermarket solutions.
The suspension, while competent for its class and intended use, is often cited as being on the softer side. For riders who push the bike hard on twisty roads or carry a passenger frequently, it might feel a bit overwhelmed or lack the refinement of higher-end components. This is less of a 'problem' and more of a characteristic that some riders wish to upgrade.
There haven't been any major, widespread recalls specifically impacting the 2021 model year that indicate a systemic flaw. However, it's always prudent for owners to check for any outstanding recalls with Triumph.
In terms of long-term reliability, the 900cc parallel-twin engine is known for its robustness. With regular maintenance, including oil changes, filter replacements, and chain adjustments, these engines are expected to last for many tens of thousands of miles. The primary wear items will be typical to any motorcycle: tires, brakes, and chain/sprockets. The electronics are generally well-integrated and dependable, but as with any modern motorcycle, care should be taken to keep them clean and dry, especially in harsh weather conditions. Overall, the 2021 Street Twin is considered a solid and dependable machine with few major recurring issues reported.
One area that sometimes surfaces in owner forums relates to minor electrical gremlins. These can range from an illuminated engine management light that may be triggered by a sensor issue, to occasional problems with accessory wiring or connections, especially if aftermarket accessories have been fitted. These are usually not catastrophic but can be a nuisance.
The clutch can sometimes feel a bit heavy or grabby for some riders, particularly in stop-and-go traffic. While not a widespread failure, some owners have sought adjustments or aftermarket solutions.
The suspension, while competent for its class and intended use, is often cited as being on the softer side. For riders who push the bike hard on twisty roads or carry a passenger frequently, it might feel a bit overwhelmed or lack the refinement of higher-end components. This is less of a 'problem' and more of a characteristic that some riders wish to upgrade.
There haven't been any major, widespread recalls specifically impacting the 2021 model year that indicate a systemic flaw. However, it's always prudent for owners to check for any outstanding recalls with Triumph.
In terms of long-term reliability, the 900cc parallel-twin engine is known for its robustness. With regular maintenance, including oil changes, filter replacements, and chain adjustments, these engines are expected to last for many tens of thousands of miles. The primary wear items will be typical to any motorcycle: tires, brakes, and chain/sprockets. The electronics are generally well-integrated and dependable, but as with any modern motorcycle, care should be taken to keep them clean and dry, especially in harsh weather conditions. Overall, the 2021 Street Twin is considered a solid and dependable machine with few major recurring issues reported.
How long will the 2021 Triumph Street Twin last?
Based on owner data and typical riding habits for a motorcycle like the 2021 Triumph Street Twin, which often serves as a daily commuter or weekend cruiser, an average annual mileage can range from 3,000 to 7,000 miles. Therefore, over a 5-year period, a well-maintained Street Twin could easily accumulate 15,000 to 35,000 miles.
The long-term durability of the 900cc parallel-twin engine is generally excellent. Owners who adhere to the recommended maintenance schedule – including regular oil changes, fluid checks, and proper chain care – can expect the engine to last well over 50,000 miles, often much more.
Weaknesses that might become more apparent over time are primarily related to components that experience normal wear and tear. The suspension, while adequate, might show its limitations on rougher roads or with higher mileage, and owners might consider aftermarket upgrades for improved performance and comfort. The brakes are functional but not exceptional, and their longevity will depend on riding style and maintenance. The paint and finish are generally good, but like any vehicle, consistent exposure to harsh elements without proper care can lead to minor cosmetic degradation over many years. The electrical system is typically robust, but a consistent maintenance routine is key to preventing any minor electronic issues from developing into more significant problems.
The long-term durability of the 900cc parallel-twin engine is generally excellent. Owners who adhere to the recommended maintenance schedule – including regular oil changes, fluid checks, and proper chain care – can expect the engine to last well over 50,000 miles, often much more.
Weaknesses that might become more apparent over time are primarily related to components that experience normal wear and tear. The suspension, while adequate, might show its limitations on rougher roads or with higher mileage, and owners might consider aftermarket upgrades for improved performance and comfort. The brakes are functional but not exceptional, and their longevity will depend on riding style and maintenance. The paint and finish are generally good, but like any vehicle, consistent exposure to harsh elements without proper care can lead to minor cosmetic degradation over many years. The electrical system is typically robust, but a consistent maintenance routine is key to preventing any minor electronic issues from developing into more significant problems.
What Technology & Safety Features are Included?
The 2021 Triumph Street Twin is equipped with a solid suite of modern technology focused on enhancing the riding experience and safety, without compromising its classic aesthetic.
Standard Technology & Safety Features:
While not standard, Triumph offers a range of official accessories to enhance the Street Twin's technology and comfort. These can include:
The Street Twin does not feature a complex infotainment system or built-in speakers, aligning with its minimalist and classic design philosophy. Entertainment is derived from the riding experience itself.
Crash-Test Ratings:
Motorcycle safety ratings are not standardized in the same way as automotive crash tests. Instead, safety is evaluated through the effectiveness of features like ABS, traction control, and chassis stability. The inclusion of ABS and switchable traction control on the 2021 Street Twin demonstrates Triumph's commitment to rider safety, making it a secure option within its class. While no specific 'crash-test rating' exists in the typical sense, its safety features are well-regarded.
Standard Technology & Safety Features:
- ABS (Anti-lock Braking System): This is a standard safety feature, providing crucial stability during emergency braking by preventing wheel lock-up.
- Traction Control: Switchable traction control is also standard, helping to prevent rear-wheel slip on slippery surfaces. The ability to switch it off appeals to riders who prefer a more raw experience or for specific riding conditions.
- Ride-by-Wire Throttle: This electronic system provides precise throttle control and smoother engine response, contributing to a more refined ride. It also enables features like traction control.
- LED Rear Light: A modern LED taillight enhances visibility and provides a distinctive, contemporary look.
- Immobiliser: A standard engine immobiliser helps to deter theft.
- USB Charging Socket: Conveniently located, this allows riders to charge smartphones or other electronic devices on the go.
- Instrument Cluster: A single, stylish analogue dial houses a digital display that provides access to trip meters, fuel level, gear position indicator (on some models or via accessory), and other essential information.
While not standard, Triumph offers a range of official accessories to enhance the Street Twin's technology and comfort. These can include:
- TPMS (Tire Pressure Monitoring System): For added safety and convenience, allowing riders to monitor tire pressures.
- Heated Grips: Enhancing comfort during colder riding conditions.
- Cruise Control: Available as an accessory for more relaxed long-distance riding.
- Multiple Accessory Exhaust Systems: While not strictly tech, these often come with updated ECU mapping to complement the performance.
- Customization Options: Triumph's extensive range of 'Brat Tracker', 'Urban', and 'Heritage' inspiration kits allow for significant personalization.
The Street Twin does not feature a complex infotainment system or built-in speakers, aligning with its minimalist and classic design philosophy. Entertainment is derived from the riding experience itself.
Crash-Test Ratings:
Motorcycle safety ratings are not standardized in the same way as automotive crash tests. Instead, safety is evaluated through the effectiveness of features like ABS, traction control, and chassis stability. The inclusion of ABS and switchable traction control on the 2021 Street Twin demonstrates Triumph's commitment to rider safety, making it a secure option within its class. While no specific 'crash-test rating' exists in the typical sense, its safety features are well-regarded.
What Colors Options are Available?
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In the meantime, feel free to explore the other sections for more content.
In the meantime, feel free to explore the other sections for more content.
2021 Triumph Street Twin Prices and Market Value
When new, the 2021 Triumph Street Twin typically retailed between approximately $9,600 and $10,500 USD, depending on any factory-fitted options or specific color choices.
Currently, on the used market, the 2021 Triumph Street Twin can be found for prices ranging from roughly $7,500 to $9,000, with mileage, condition, and any added accessories being the primary determinants.
Depreciation on the Street Twin is moderate. Like most motorcycles, it experiences a noticeable drop in value in the first year or two, but then holds its value relatively well, especially compared to some other segments. Factors that positively affect its resale value include:
Currently, on the used market, the 2021 Triumph Street Twin can be found for prices ranging from roughly $7,500 to $9,000, with mileage, condition, and any added accessories being the primary determinants.
Depreciation on the Street Twin is moderate. Like most motorcycles, it experiences a noticeable drop in value in the first year or two, but then holds its value relatively well, especially compared to some other segments. Factors that positively affect its resale value include:
- Low Mileage: Bikes with fewer miles are always more desirable.
- Excellent Condition: A well-maintained bike with no cosmetic damage or signs of neglect commands a higher price.
- Factory Accessories: Genuine Triumph accessories, especially performance or comfort upgrades like heated grips or upgraded exhausts, can enhance value.
- Service History: Proof of regular maintenance can instill confidence in potential buyers.
- Desirable Color Options: Certain color schemes might be more sought after.
2021 Triumph Street Twin Cost of Ownership
The 2021 Triumph Street Twin is generally considered economical to own.
Insurance: Costs vary widely based on rider age, location, and record, but typically fall in the moderate range for a bike of this class. Expect annual premiums potentially from $300 to $800.
Fuel: With an average of 50-55 mpg, fuel costs are quite low, making it efficient for daily use. A full tank (2.6 gallons) could cost around $10-$15 depending on gas prices.
Maintenance: Routine maintenance, including oil changes and basic checks, is relatively affordable. Major services are recommended every 6,000-10,000 miles, costing a few hundred dollars.
Repair: Parts are readily available from Triumph dealerships. While not the cheapest, they are reasonably priced for a premium brand.
Long-term Ownership: Overall, the Street Twin offers good value, with reasonable running costs and solid reliability, making it an economical choice for a stylish and fun motorcycle.
Insurance: Costs vary widely based on rider age, location, and record, but typically fall in the moderate range for a bike of this class. Expect annual premiums potentially from $300 to $800.
Fuel: With an average of 50-55 mpg, fuel costs are quite low, making it efficient for daily use. A full tank (2.6 gallons) could cost around $10-$15 depending on gas prices.
Maintenance: Routine maintenance, including oil changes and basic checks, is relatively affordable. Major services are recommended every 6,000-10,000 miles, costing a few hundred dollars.
Repair: Parts are readily available from Triumph dealerships. While not the cheapest, they are reasonably priced for a premium brand.
Long-term Ownership: Overall, the Street Twin offers good value, with reasonable running costs and solid reliability, making it an economical choice for a stylish and fun motorcycle.
2021 Triumph Street Twin Fuel Efficiency
Fuel Type
Gasoline
Fuel Capacity
-
City Mileage
-
Highway Mileage
-
2021 Triumph Street Twin Warranty
Basic
Original warranty
0 months / No data
Estimated remaining
Expired
Powertrain
Original warranty
0 months / No data
Estimated remaining
Expired
Rust
Original warranty
0 months / No data
Estimated remaining
Expired
2021 Triumph Street Twin Insurance
Insurance for a 2021 Triumph Street Twin is moderately priced, reflecting its status as a Motorcycle with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 2021 Triumph Street Twin Compare to Other Motorcycle?
The 2021 Triumph Street Twin competes in the popular modern classic/entry-level cruiser segment against several strong contenders. Here's a comparison:
1. Ducati Scrambler Icon:
1. Ducati Scrambler Icon:
- Performance: The Scrambler Icon boasts a larger 803cc L-twin engine (around 73 hp), offering more power and a more characterful engine feel than the Street Twin's 64 hp parallel-twin.
- Features: Both offer ABS and LED lighting. The Scrambler often feels a bit more premium in its finishings.
- Reliability: Ducati's reliability has improved significantly, but historically, Triumphs have a slight edge in perceived long-term robustness and ease of maintenance for many.
- Price: Typically priced slightly higher than the Street Twin when new and on the used market.
- Performance: The Scout Bobber features a much larger 1133cc V-twin engine (around 94 hp), offering significantly more power and torque, making it a different proposition – more of a cruiser.
- Features: Simpler tech package compared to the Street Twin, focusing on a minimalist aesthetic.
- Reliability: Indian has a good reputation for reliability, but the smaller engine of the Triumph might be considered more forgiving in terms of overall stress.
- Price: Generally more expensive than the Street Twin.
- Performance: The MT-07's 689cc CP2 parallel-twin (around 74 hp) offers sharper performance and better outright power than the Street Twin, leaning more towards sport-naked.
- Features: Basic tech, but often features a more modern LCD display.
- Reliability: Yamaha is renowned for its bulletproof reliability, often considered among the best.
- Price: Competitively priced, sometimes slightly lower than the Street Twin, offering excellent value for performance.
- Performance: The 648cc parallel-twin (around 47 hp) is less powerful but very smooth and characterful, offering a relaxed riding experience.
- Features: Very basic, focusing on simplicity and retro charm.
- Reliability: Royal Enfields are known for their mechanical simplicity and robust engines, with good reliability.
- Price: Significantly more affordable than the Street Twin, offering exceptional value for money if outright performance isn't the priority.
- For a more spirited, modern naked experience with excellent reliability and value: The Yamaha MT-07 is a strong alternative, offering more power and razor-sharp handling.
- For a stylish, characterful Italian ride with a more potent engine: The Ducati Scrambler Icon is a great option if the budget allows and you appreciate its unique flair.
- For ultimate retro charm and extreme value: The Royal Enfield Continental GT 650 or Interceptor 650 are fantastic choices, providing a relaxed, classic experience at a much lower price point.
Final Verdict: Is the 2021 Triumph Street Twin a Good Motorcycle?
The 2021 Triumph Street Twin is ideal for riders seeking a stylish, accessible, and engaging modern classic motorcycle. It's particularly well-suited for newer riders due to its low seat height, manageable power, and user-friendly electronics like ABS and traction control. Experienced riders will appreciate its nimble handling, torquey engine for urban commuting and spirited backroad rides, and the wealth of customization options.
It is absolutely worth buying for those who value classic aesthetics with modern reliability and performance. Buying used, especially a well-maintained 2021 model, offers excellent value as much of the initial depreciation has already occurred. While purchasing new provides the latest warranty and pristine condition, a used example will likely satisfy most buyers' needs at a lower cost.
Specific trims are less critical for the base model; however, if a slightly more rugged or adventure-oriented feel is desired, the Street Scrambler variant (though a slightly different model) offers those characteristics built upon a similar platform. For its intended purpose as a stylish, fun, and reliable everyday motorcycle, the 2021 Triumph Street Twin is a fantastic choice.
It is absolutely worth buying for those who value classic aesthetics with modern reliability and performance. Buying used, especially a well-maintained 2021 model, offers excellent value as much of the initial depreciation has already occurred. While purchasing new provides the latest warranty and pristine condition, a used example will likely satisfy most buyers' needs at a lower cost.
Specific trims are less critical for the base model; however, if a slightly more rugged or adventure-oriented feel is desired, the Street Scrambler variant (though a slightly different model) offers those characteristics built upon a similar platform. For its intended purpose as a stylish, fun, and reliable everyday motorcycle, the 2021 Triumph Street Twin is a fantastic choice.
Jovan
Jovan specializes in interpreting vehicle records and making sense of VIN data. With over 10 years of experience in the automotive data industry, his work ensures that every report is clear, accurate, and useful for car buyers.