1. Antique, Vintage, Historic Motorcycle Parts For Sale
  2. sku: 20413108183039673
  3. TRIUMPH BSA 57-3956

TRIUMPH BSA 57-3956 Trident Cover Cast T150

fits model: A75. make: Triumph.

57-3956 Triumph Bsa Trident T150 A75 Primary Cover Part # Cast In It No Dents

( Brand: Triumph Bsa ), ( Manufacturer Part Number: 57-3956 ), ( Part Type: Cover )

Review TRIUMPH BSA Trident Primary Cover Part Cast In It No Dents fits A75

The Triumph BSA 57-3956 Trident T150 A75 Cover Cast is a meticulously crafted, vintage-inspired motorcycle windscreen designed to evoke the timeless elegance and rugged functionality of the legendary Triumph Trident and BSA Gold Star motorcycles from the mid-20th century. This piece is not merely an accessory but a homage to the golden era of British motorcycle engineering, where form and function seamlessly merged to create machines that were as admired for their aesthetics as they were revered for their performance. The A75 cover cast is a meticulously handcrafted, one-piece windscreen, crafted from high-quality, durable polycarbonate material that has been precision-molded to replicate the classic, slightly curved silhouette of the original Trident and BSA Gold Star screens. Its design is both functional and stylish, offering riders a protective barrier against wind and debris while enhancing the motorcycle s retro aesthetic. The screen s subtle, aerodynamic curve not only reduces wind resistance but also adds a touch of vintage charm, ensuring that the motorcycle retains its classic lines without compromising on modern practicality. The edges of the screen are smoothly finished, with a slight taper that complements the motorcycle s frame, while the mounting system is designed for easy installation, featuring a sturdy, adjustable bracket that allows for precise positioning to suit the rider s preference. Whether paired with a Triumph Trident, BSA Gold Star, or any other classic British bike, this windscreen serves as a perfect blend of nostalgia and utility, ensuring that the riding experience remains both comfortable and visually striking. Its timeless design makes it an ideal choice for enthusiasts who appreciate the artistry of vintage motorcycle culture while demanding the reliability and durability of contemporary materials.

### **Pros and Cons of Buying a Triumph BSA 57-3956 Trident T150 (A75 Cover Cast)**

#### **Pros**

1. **Classic British Design** The Triumph BSA Trident is a well-regarded classic motorcycle, known for its timeless British styling and engineering. Its distinctive "Trident" front suspension and A75 cover cast make it visually striking and instantly recognizable.

2. **Reliable Engine** The 350cc parallel-twin engine is simple, robust, and known for its longevity. With proper maintenance, it can easily last well over 100,000 miles, making it a practical choice for riders who value durability.

3. **Modular and Upgradable** The Trident s design allows for relatively easy modifications. Components like the engine, suspension, and exhaust can be upgraded, giving riders the flexibility to tailor the bike to their preferences.

4. **Strong Secondary Market** As a classic bike, parts and accessories are widely available, especially from British manufacturers and aftermarket suppliers. This makes repairs and customization more accessible than on some older or rarer models.

5. **Nostalgic Appeal** For enthusiasts of classic British motorcycles, the Trident holds a certain charm and historical significance. Owning one can be a rewarding experience for those who appreciate vintage engineering.

6. **Good for Cruising and Commuting** The T150 model is designed for relaxed riding, making it suitable for leisurely cruises, weekend rides, and even daily commuting in urban areas (though not for high-speed highway use).

7. **Lower Running Costs (Compared to Modern Bikes)** Fuel efficiency is decent for its class, and maintenance costs are generally lower than those of modern sportbikes or high-performance machines.

8. **Community and Support** There is a dedicated community of Trident owners who share knowledge, restoration tips, and parts. This can be invaluable for troubleshooting and maintaining the bike.

---

#### **Cons**

1. **Outdated Technology** The Trident is a design from the 1960s, and its technology is far behind modern standards. This includes poor fuel efficiency, limited ergonomics, and a lack of modern safety features like ABS or traction control.

2. **Poor Fuel Economy** The 350cc engine is thirsty for its size, typically averaging around 60-80 mpg (depending on riding style and conditions). This can be costly over time, especially if used frequently.

3. **Comfort Limitations** The riding position is upright and relaxed, which is fine for casual riding but not ideal for long-distance comfort. The seat and ergonomics are not as refined as those on modern touring or sport bikes.

4. **Maintenance Requirements** While the engine is durable, the bike requires regular upkeep to keep it running smoothly. Older components like the carburetors, clutch, and chain may need frequent adjustments or replacements.

5. **Limited Performance** The T150 is not a high-performance machine. It accelerates slowly and lacks the power to keep up with modern motorcycles on highways. Top speed is around 80-90 mph, which can be restrictive for some riders.

6. **Rust and Corrosion Issues** Many older British bikes suffer from rust, especially in the frame, suspension, and exhaust. A thorough inspection is essential before purchasing to avoid hidden repair costs.

7. **Parts Availability Can Be Hit-or-Miss** While parts are generally available, some components may be discontinued or require sourcing from specialty suppliers. This can add complexity to repairs.

8. **Legal and Safety Concerns** Depending on local regulations, some older bikes may not meet modern safety standards (e.g., lighting, reflectors, or emissions). Retrofitting these can be costly and time-consuming.

9. **Resale Value** Classic bikes like the Trident hold some value, but it is not high compared to modern motorcycles. If you plan to sell it later, the depreciation may not be as favorable as with newer models.

10. **Limited Modern Features** The bike lacks features like digital dashboards, Bluetooth connectivity, or even a reliable ignition system. Riders accustomed to modern conveniences may find it frustrating.

---

### **Conclusion**

The Triumph BSA Trident T150 is a fantastic choice for riders who appreciate classic British motorcycles, value simplicity, and are willing to trade off modern comforts and performance for nostalgia and reliability. It is ideal for those who enjoy leisurely rides, appreciate mechanical challenges, and are prepared to invest time in maintenance. However, it is not suited for riders who prioritize speed, long-distance comfort, or the latest technology.

If you are looking for a bike that is primarily for fun, restoration projects, or weekend cruising, the Trident can be an excellent and rewarding purchase. On the other hand, if you need a practical, high-performance, or modern motorcycle for daily use or highway riding, you may find it lacking.

---

### **Recommendation**

**Buy the Triumph BSA Trident T150 if:**

- You are a fan of classic British motorcycles and enjoy the history and craftsmanship.

- You are prepared to invest time in maintenance and potential restoration.

- You prioritize reliability and simplicity over modern features.

- You plan to use it for casual riding, commuting in urban areas, or as a project bike.

- You are willing to accept its limitations in terms of speed, comfort, and fuel efficiency.

**Avoid the Triumph BSA Trident T150 if:**

- You need a high-performance or modern motorcycle for highway riding.

- You require advanced safety features like ABS or traction control.

- You prefer ergonomics and comfort designed for long-distance riding.

- You are not comfortable with older technology or frequent maintenance.

- You are looking for a bike with high resale value or modern convenience features.

For those who meet the criteria, the Trident is a rewarding and characterful motorcycle that offers a unique riding experience. For others, it may be more practical to consider a modern classic (like a Honda CB500 or Yamaha XS650) or a contemporary bike that better suits their needs.

Details:

Rays Brit bits and more .:: Listings By Rage biz. PRIMARY COVER PART # 57-3956 CAST IN IT NO DENTS BUT THE BOTTOM SCREW HOLE IS CRACKED. TRIUMPH TRIDENT T150 BSA A75.

part #: 573956 prices

  • $17.95-$69.80

specifications cyclevintagee:

  • for models: A75
  • for makes: Triumph
  • brand: Triumph Bsa
  • mpn: 57-3956
  • part type: Cover

payments cyclevintagee:

  • other
  • wallet: Paypal
  • credit card: Visa

offer cyclevintagee:

  • options: Ship-to-home
  • sold: 0
  • availability: In Stock
  • started: February 4, 2026
  • quantity: 1

seller cyclevintagee:

  • city: Peck, Idaho
  • # reviews: 7452
  • rating: 100.0%

returns cyclevintagee:

  • policy: No Returns

shipping cyclevintagee:

  • cost: $31.50
  • class: Expedited
  • carrier: USPS
  • service: USPS Priority Mail Large Flat Rate Box
  • type: Calculated
  • transit: 3-7 Days

general cyclevintagee:

  • Parts Accessories > Motorcycle Scooter Parts Accessories > Other Motorcycle Scooter Parts Accessories
  • condition: Used
for models: a75, for makes: triumph, part type: cover,
category: motorcycle parts > motorcycle scooter parts accessories, sku: 20413108183039673,
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5 offers $17.95–$69.80 USD
  • Used. Offer #1 priced at $60.00 + $23.31 shipping estimate = $83.31* total. +$23.31 shipping
  • New. Offer #2 priced at $69.80 + $0.00 shipping estimate = $69.80* total. FREE SHIPPING
  • New. Offer #3 priced at $17.95 + $0.00 shipping estimate = $17.95* total. IT FITS T100 500 T120 650 T140 750 750 & T160 750. THIS IS A NEW ALLOY FILLER PLUG AND OR INSPECTION COVER.FREE SHIPPING
  • Used. Offer #4 priced at $14.00 + $6.00 shipping estimate = $20.00* total. Good used front caliper cover for 70's Triumph twins and triple.+$6.00 shipping
  • Used. Offer #5 priced at $115.00 + $23.25 shipping estimate = $138.25* total. Looks to be in okay used condition.+$23.25 shipping

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