TRIUMPH BSA 68-6120 Rear Sprocket Bolts Washers Chain 47

( Brand: Triumph Bsa ), ( Manufacturer Part Number: 68-6120 ), ( Part Type: Sprocket Bolt Washer Chain )

Review TRIUMPH BSA Rear Sprocket And Bolts Washers 47 Tooth Chain Good Used #68 fits PT A65 A50 530

The **Triumph BSA 68-6120 A65/A50 Rear Sprocket Bolts, Washers, and 47/530 Chain** is a meticulously crafted set designed to restore and enhance the performance of classic Triumph and BSA motorcycles from the late 1960s, including iconic models like the A65 Twin and A50 Single. This high-quality assembly combines precision-engineered components to ensure a secure, reliable, and long-lasting fit, addressing common wear issues in the rear sprocket assembly while maintaining the original mechanical integrity of your bike. The **47/530 chain** a standard for these models is built with durable, heat-treated steel links that resist elongation and stretching over time, ensuring smooth power transfer and reducing the risk of premature chain wear or failure. The **rear sprocket bolts** are crafted from high-strength steel, often featuring a fine-threaded design to prevent loosening under vibration, while the accompanying **washers** are designed to distribute load evenly, protecting the sprocket and frame from excessive stress. Together, these components form a cohesive upgrade that not only restores functionality but also contributes to the overall reliability and drivability of your motorcycle. Whether you're preparing your bike for track use, long-distance touring, or simply maintaining its classic appeal, this set provides the perfect balance of authenticity and performance, ensuring your Triumph or BSA runs with the same precision and power it was originally engineered to deliver.

### **Pros and Cons of Buying Triumph/BSA 65/50 Rear Sprocket Bolts, Washers, Chain, and Sprockets (Part Numbers: 47 530, 68)**

1. **Compatibility** These parts are designed specifically for Triumph/BSA models from the 1960s, ensuring a perfect fit for the **A65, A50, and other 68-series bikes**. Aftermarket or generic parts may not align correctly, leading to potential drivetrain issues.

2. **Durability** Original or high-quality reproduction parts are built to last, especially if they are made from hardened steel or treated for corrosion resistance. This reduces the risk of premature wear or failure.

3. **Reliability** The **68-pattern chain** (a common standard for these bikes) is well-suited for the engine s power delivery, providing smoother shifting and reduced chain stretch over time compared to modern chains.

4. **Ease of Installation** Since these parts are designed for the specific bike models, they should fit without extensive modifications, making maintenance simpler for riders who prefer authenticity.

5. **Historical Accuracy** For enthusiasts restoring or maintaining period-correct bikes, using original or reproduction parts preserves the bike s original character and value.

6. **Warranty & Support** Purchasing from reputable suppliers (such as Triumph/BSA dealers, specialist manufacturers like **Triumph Heritage Parts**, or trusted aftermarket brands) may include warranties or return policies.

7. **Performance Benefits** A properly tensioned chain and correctly sized sprockets (e.g., **47-tooth rear sprocket**) can improve throttle response and reduce wear on the transmission components.

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1. **Cost** Authentic or high-quality reproduction parts can be **more expensive** than generic aftermarket alternatives. For example, a **68-pattern chain** may cost significantly more than a modern 520 or 530 chain.

2. **Availability** Finding these parts may require ordering from specialty suppliers rather than mainstream motorcycle shops. Some components (like specific sprocket sizes) might be harder to source than standard parts.

3. **Chain Maintenance** The **68-pattern chain** (a narrower, older design) requires **more frequent lubrication and tension checks** compared to modern chains. It is also more susceptible to stretching over time, necessitating regular adjustments.

4. **Compatibility with Modern Modifications** If the bike has been modified with **modern cranks, pistons, or exhaust systems**, the stock sprocket sizes (e.g., **53-tooth rear sprocket**) may no longer be optimal for performance. A rider might need to experiment with different sprocket ratios.

5. **Potential for Counterfeit Parts** Buying from untrusted sellers (e.g., eBay without verification or unknown online marketplaces) risks receiving **fake or low-quality replicas**, which can fail prematurely.

6. **Limited Customization** Unlike modern bikes, these parts are not designed for easy swapping of sprocket sizes for different riding styles (e.g., track vs. street). The **A65/A50** typically comes with a fixed setup, requiring careful consideration before purchase.

7. **Corrosion Risk** Older or poorly stored parts may have **rust or pitting**, especially if stored in damp conditions. Inspecting for corrosion before installation is crucial.

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Buying **Triumph/BSA 65/50 rear sprocket bolts, washers, and a 68-pattern chain** is a **sound choice** if you prioritize **authenticity, reliability, and long-term compatibility** with your bike. These parts are ideal for **restoration projects, period-correct maintenance, or riders who value historical accuracy**. However, they come with **higher costs, potential availability issues, and maintenance demands** compared to modern alternatives.

If your primary concern is **performance or cost efficiency**, you might consider **aftermarket 68-pattern chains** (from brands like **KMC, DID, or OEM reproductions**) or **modern sprocket kits** that maintain the same tooth count but use updated materials. For track use or high-performance applications, consulting a **tuning specialist** to determine the optimal sprocket ratio is advisable.

- **For restoration or classic riding:** Purchase from a **reputable Triumph/BSA dealer or a trusted heritage parts supplier** (e.g., **Triumph Heritage Parts, BSA Classic Parts, or specialist forums like Classic Motorcycle Restoration**).

- **For performance tuning:** Ensure the **chain length and sprocket ratio** match your riding style (e.g., a **smaller rear sprocket** for higher RPMs, a **larger one** for torque).

- **For budget-conscious buyers:** Compare **authentic vs. high-quality reproduction parts** some aftermarket brands (e.g., **Triumph s own reproduction kits**) offer a good balance of cost and reliability.

- **Always inspect parts for wear** before installation, especially if purchasing used or from secondary markets.

Ultimately, investing in **properly sourced, period-correct parts** will **extend the life of your bike** and ensure it runs as intended by its original designers.

Details:

BSA A65 A50 REAR SPROCKET BOLTS W/ WASHERS 47 TOOTH 530 CHAIN GOOD USED PT #68-6088,68-6095 AND 68-6092 WASHERS, ORIGINAL BUT IN GREAT SHAPE. Rays Brit bits and more .:: Listings By Rage biz.

part #: 686120 prices

• $23.63-$38.00

specifications cyclevintagee:

• for models: A65, A50, 530, Pt
• for makes: Triumph
• brand: Triumph Bsa
• mpn: 68-6120
• part type: Sprocket Bolt Washer Chain

offer cyclevintagee:

• options: Ship-to-home
• sold: 0
• quantity: 1
• started: January 31, 2026
• availability: In Stock

payments cyclevintagee:

• wallet: Apple-pay
• credit card: Discover
• other

seller cyclevintagee:

• rating: 100.0%
• city: Peck, Idaho
• # reviews: 7443

returns cyclevintagee:

• policy: No Returns

shipping cyclevintagee:

• cost: $16.70
• type: Calculated
• transit: 4-9 Days
• class: Expedited
• service: USPS Priority Mail
• carrier: USPS

general cyclevintagee:

• condition: Used
• Parts Accessories > Motorcycle Scooter Parts Accessories > Other Motorcycle Scooter Parts Accessories

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