fits make: Triumph. year: 1969-70.

( Manufacturer Part Number: 57-3857S ), ( Part Type: Gear )
The 57-3857 1969-70 Triumph 4-speed mainshaft second gear is a vital component for any classic Triumph motorcycle enthusiast. This specific part is designed to be a direct replacement for the original component in 1969 and 1970 Triumph models, ensuring a seamless fit and function.
The mainshaft second gear is a critical part of the bicycle-style 4-speed gearbox found in these classic Triumph motorcycles. Made from high-quality materials, this gear is specifically engineered to withstand the rigors of regular use, delivering smooth and reliable gear changes. The gear itself is precision-machined to exacting tolerances, ensuring a precise meshing with the other gears in the gearbox.
The gear is designed to fit securely within the mainshaft, with a hardened and precision-machined spline to ensure a reliable connection. The gear's surface is treated with a durable finish, providing excellent wear resistance and helping to ensure a long lifespan.
Installing this gear is a straightforward process for any mechanically inclined individual. The gear comes complete with all necessary mounting hardware, and detailed installation instructions are included with the part to guide you through the process.
In summary, the 57-3857 1969-70 Triumph 4-speed mainshaft second gear is a high-quality, precision-engineered replacement part that is essential for maintaining the performance and reliability of your classic Triumph motorcycle. With its precision machining, durable finish, and easy installation, this gear is a must-have for any Triumph enthusiast.
Pros of buying a 57-3857 1969-70 Triumph 4-speed mainshaft 2nd gear:1. Availability: This part is available for sale, which means it can be easily obtained to replace a worn-out or damaged part in your Triumph motorcycle.
2. Authenticity: This part is a genuine Triumph original, ensuring that it will fit perfectly and function effectively in your motorcycle.
3. Durability: Triumph parts are known for their durability and reliability, which means this part should last a long time and provide smooth gear shifts.
Cons of buying a 57-3857 1969-70 Triumph 4-speed mainshaft 2nd gear:1. Cost: The price of this part may be higher than aftermarket alternatives, which could be a significant investment for some motorcycle owners.
2. Shipping: The part may need to be shipped from a distant location, which could increase the overall cost and delivery time.
3. Availability of replacement parts: If this part fails or wears out, it may be difficult to find a replacement, as this is a specific and relatively old part.
Conclusion:If you are a Triumph enthusiast and prioritize originality and reliability, buying a 57-3857 1969-70 Triumph 4-speed mainshaft 2nd gear could be a worthwhile investment. However, if cost is a concern, it may be worth considering aftermarket alternatives. Additionally, ensure that you have the necessary tools and skills to install the part correctly to avoid further damage to your motorcycle.
Recommendation:If you are looking to replace your Triumph 4-speed mainshaft 2nd gear, we recommend doing your research and comparing prices from various sources to ensure you are getting the best deal. Additionally, consider the cost of installation and any additional parts that may be needed to complete the job. Ultimately, the decision to buy a 57-3857 1969-70 Triumph 4-speed mainshaft 2nd gear depends on your specific needs, preferences, and budget.
This is a 20-tooth shaved, large bore, standard ratio gear to be used only on the non-stepped lay shaft, late Triumph gearbox. Part number Used but in perfect condition 650 Triumph 4-speed gearbox mainshaft 2nd gear.